TRACE · ROUND 6

A benchmark in which language models design roller coasters that RollerCoaster Tycoon 2 builds, tests, and rates.

openrouter_deepseek_deepseek-v4-flash-0731 · 20260731-deepseek-v4-flash-design · round 6 back to model →
events
120
tool calls
58
rejected
3
session
24:03
cost
$0.13
Session trace
  1. 0:13
    piece_geometry11 ms
    {"dir":0}
    {"deltas":[{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":0,"piece":"flat","slope_out":0},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":0,"piece":"end_station","slope_out":0},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":0,"piece":"begin_station","slope_out":0},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":0,"piece":"middle_station","slope_out":0},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":16,"piece":"up_25","slope_out":2},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":64,"piece":"up_60","slope_out":4},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":8,"piece":"flat_to_up_25","slope_out":2},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":32,"piece":"up_25_to_up_60","slope_out":4},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":32,"piece":"up_60_to_up_25","slope_out":2},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":8,"piece":"up_25_to_flat","slope_out":0},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":-16,"piece":"down_25","slope_out":6},{"bank_out":0,"dir_out":0,"dx_tiles":-1,"dy_tiles":0,"dz":-64,"piece":"down_60","slope_out":8},{"bank_out":0,"dir_out":0,"dx… (7397 chars)
  2. 0:14
    piece_geometry8 ms
    {"dir":1}
    {"deltas":[{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":0,"piece":"flat","slope_out":0},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":0,"piece":"end_station","slope_out":0},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":0,"piece":"begin_station","slope_out":0},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":0,"piece":"middle_station","slope_out":0},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":16,"piece":"up_25","slope_out":2},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":64,"piece":"up_60","slope_out":4},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":8,"piece":"flat_to_up_25","slope_out":2},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":32,"piece":"up_25_to_up_60","slope_out":4},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":32,"piece":"up_60_to_up_25","slope_out":2},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":8,"piece":"up_25_to_flat","slope_out":0},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":-16,"piece":"down_25","slope_out":6},{"bank_out":0,"dir_out":1,"dx_tiles":0,"dy_tiles":1,"dz":-64,"piece":"down_60","slope_out":8},{"bank_out":0,"dir_out":1,"dx_tiles":0,"d… (7346 chars)
  3. 0:14
    piece_geometry8 ms
    {"dir":2}
    {"deltas":[{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":0,"piece":"flat","slope_out":0},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":0,"piece":"end_station","slope_out":0},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":0,"piece":"begin_station","slope_out":0},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":0,"piece":"middle_station","slope_out":0},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":16,"piece":"up_25","slope_out":2},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":64,"piece":"up_60","slope_out":4},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":8,"piece":"flat_to_up_25","slope_out":2},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":32,"piece":"up_25_to_up_60","slope_out":4},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":32,"piece":"up_60_to_up_25","slope_out":2},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":8,"piece":"up_25_to_flat","slope_out":0},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":-16,"piece":"down_25","slope_out":6},{"bank_out":0,"dir_out":2,"dx_tiles":1,"dy_tiles":0,"dz":-64,"piece":"down_60","slope_out":8},{"bank_out":0,"dir_out":2,"dx_tiles":1,"d… (7346 chars)
  4. 0:15
    piece_geometry11 ms
    {"dir":3}
    {"deltas":[{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":0,"piece":"flat","slope_out":0},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":0,"piece":"end_station","slope_out":0},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":0,"piece":"begin_station","slope_out":0},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":0,"piece":"middle_station","slope_out":0},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":16,"piece":"up_25","slope_out":2},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":64,"piece":"up_60","slope_out":4},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":8,"piece":"flat_to_up_25","slope_out":2},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":32,"piece":"up_25_to_up_60","slope_out":4},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":32,"piece":"up_60_to_up_25","slope_out":2},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":8,"piece":"up_25_to_flat","slope_out":0},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":-16,"piece":"down_25","slope_out":6},{"bank_out":0,"dir_out":3,"dx_tiles":0,"dy_tiles":-1,"dz":-64,"piece":"down_60","slope_out":8},{"bank_out":0,"dir_out":3,"dx… (7397 chars)
  5. 0:15
    $0.0013
  6. 6:34
    new_ride26 ms
    {"dir":2,"ride_type":51,"x":40,"y":80}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"ride_id":0}
  7. 6:34

    I'll plan a fresh, original twister (south of the lake at y≈80+, avoiding tiles 68-85/55-75) and build in chunks, verifying state as I go. Starting at (40,80) heading +x.

  8. 6:34
    $0.0082
  9. 6:41
    place_pieces18 ms
    {"pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":2,"slope":0,"x":64,"y":80,"z":112},"placed_this_call":24,"total_placed":24}
  10. 6:41
    $0.0062
  11. 6:57
    place_pieces12 ms
    {"pieces":["flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":2,"slope":0,"x":85,"y":80,"z":112},"placed_this_call":17,"total_placed":41}
  12. 6:57
    $0.0003
  13. 7:01
    place_pieces22 ms
    {"pieces":["left_turn_5","left_turn_5"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":84,"y":85,"z":112},"placed_this_call":2,"total_placed":43}
  14. 7:01
    $0.0002
  15. 7:12
    place_pieces7 ms
    {"pieces":["flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":25,"t":"booster"},"right_corkscrew_up","right_corkscrew_down","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":25,"t":"booster"},"right_corkscrew_up","right_corkscrew_down"]}
    {"circuit_closed":false,"cursor":{"bank":15,"dir":3,"slope":0,"x":86,"y":86,"z":192},"placed_this_call":17,"rejection":{"error":"Twister Roller Coaster 1 in the way","index":17,"piece":"right_corkscrew_down"},"total_placed":60}
  16. 7:12
    $0.0003
  17. 8:57

    The last corkscrew placement collided with my own track (it snaked east into the U-turn). I'll undo back to a clean westbound position and redesign the return leg.

  18. 8:57
    undo_piece17 ms
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":85,"y":88,"z":112},"pieces_placed":59,"removed":"right_corkscrew_up"}
  19. 8:57
    $0.0020
  20. 9:07
    undo_piece7 ms
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":84,"y":88,"z":112},"pieces_placed":58,"removed":"booster"}
  21. 9:07
    undo_piece6 ms
    {"cursor":{"bank":0,"dir":2,"slope":6,"x":83,"y":88,"z":120},"pieces_placed":57,"removed":"down_25_to_flat"}
  22. 9:07
    undo_piece7 ms
    {"cursor":{"bank":0,"dir":2,"slope":2,"x":81,"y":89,"z":120},"pieces_placed":56,"removed":"right_vertical_loop"}
  23. 9:08
    undo_piece8 ms
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":80,"y":89,"z":112},"pieces_placed":55,"removed":"flat_to_up_25"}
  24. 9:08
    undo_piece7 ms
    {"cursor":{"bank":0,"dir":2,"slope":6,"x":79,"y":89,"z":120},"pieces_placed":54,"removed":"down_25_to_flat"}
  25. 9:08
    $0.0073
  26. 9:10
    undo_piece8 ms
    {"cursor":{"bank":0,"dir":2,"slope":2,"x":77,"y":88,"z":120},"pieces_placed":53,"removed":"left_vertical_loop"}
  27. 9:11
    undo_piece9 ms
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":76,"y":88,"z":112},"pieces_placed":52,"removed":"flat_to_up_25"}
  28. 9:11
    undo_piece9 msrejected
  29. 9:11
    undo_piece7 msrejected
  30. 9:11
    $0.0003
  31. 9:16
    get_state11 ms
    {"circuit_closed":false,"cursor":{"bank":0,"dir":2,"slope":0,"x":76,"y":88,"z":112},"finalized":false,"pieces_placed":52,"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":25,"t":"booster"},"right_corkscrew_up","right_corkscrew_down"],"ride_id":0,"start":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"to… (1216 chars)
  32. 9:16
    $0.0003
  33. 9:27
    undo_piece16 msrejected
  34. 9:27
    $0.0004
  35. 10:24

    Undo is glitchy on the corkscrew piece, but I can work forward from here: I'm at (76,88) heading east. A corkscrew pair will turn me back west for the return leg.

  36. 10:24
    place_pieces11 ms
    {"pieces":[{"speed":25,"t":"booster"},"right_corkscrew_up","right_corkscrew_down"]}
    {"circuit_closed":false,"cursor":{"bank":15,"dir":3,"slope":0,"x":78,"y":86,"z":192},"placed_this_call":2,"rejection":{"error":"Twister Roller Coaster 1 in the way","index":2,"piece":"right_corkscrew_down"},"total_placed":54}
  37. 10:24
    $0.0013
  38. 10:35
    undo_piece8 ms
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":77,"y":88,"z":112},"pieces_placed":53,"removed":"right_corkscrew_up"}
  39. 10:35
    $0.0008
  40. 11:44
    place_pieces15 ms
    {"pieces":["right_turn_5","right_turn_5"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":3,"slope":0,"x":79,"y":85,"z":112},"placed_this_call":1,"rejection":{"error":"Twister Roller Coaster 1 in the way","index":1,"piece":"right_turn_5"},"total_placed":54}
  41. 11:44
    $0.0014
  42. 12:19
    undo_piece13 ms
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":77,"y":88,"z":112},"pieces_placed":53,"removed":"right_turn_5"}
  43. 12:19
    $0.0014
  44. 12:21
    place_pieces12 ms
    {"pieces":["left_turn_5","left_turn_5"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":76,"y":93,"z":112},"placed_this_call":2,"total_placed":55}
  45. 12:21
    $0.0005
  46. 12:28
    place_pieces7 ms
    {"pieces":["flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":25,"t":"booster"}]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":58,"y":93,"z":112},"placed_this_call":14,"total_placed":69}
  47. 12:28
    $0.0003
  48. 12:36
    place_pieces8 ms
    {"pieces":["right_turn_1","flat","right_turn_1","right_turn_1","flat","right_turn_1","right_turn_1","flat","right_turn_1","right_turn_1","flat","right_turn_1","right_turn_1","flat","right_turn_1"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":58,"y":93,"z":112},"placed_this_call":0,"rejection":{"error":"ride type 51 has no artwork for this piece: it would build and rate but render as nothing (invisible track). valid_next_pieces lists what this ride can draw here","index":0,"piece":"right_turn_1"},"total_placed":69}
  49. 12:36
    $0.0004
  50. 13:24
    valid_next_pieces7 ms
    {"cursor":{"bank":0,"dir":0,"slope":0,"x":58,"y":93,"z":112},"valid_pieces":["flat","end_station","begin_station","middle_station","flat_to_up_25","left_turn_5","right_turn_5","flat_to_left_bank","flat_to_right_bank","s_bend_left","s_bend_right","left_turn_3","right_turn_3","left_corkscrew_up","right_corkscrew_up","flat_to_up_60","brakes","booster"]}
  51. 13:24
    $0.0089
  52. 14:36
    place_pieces13 ms
    {"pieces":["s_bend_left","s_bend_left","s_bend_left","s_bend_left","s_bend_left","s_bend_left","left_turn_5","flat","flat","flat","left_turn_3"]}
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"placed_this_call":11,"total_placed":80}
  53. 14:37

    turn_1 isn't buildable for this ride type, so I'll close the loop differently: descend west via `s_bend_left`, then a clean final approach onto the station tile.

  54. 14:37
    $0.0014
  55. 14:39

    Circuit closed (80 pieces). Banking a score now.

  56. 14:40
    finish_and_test761 ms
    {"bounds":{"max_tile_x":87,"max_tile_y":93,"max_z":312,"min_tile_x":38,"min_tile_y":80,"min_z":112},"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":25,"t":"booster"},"right_corkscrew_up","right_corkscrew_down",{"speed":25,"t":"booster"},"left_turn_5","left_turn_5","flat_to_up_25","left_vertical_loop","dow… (2365 chars)
  57. 14:40
    $0.0008
  58. 16:34
    demolish12 ms
    {"demolished":0}
  59. 16:34

    This build is WAY too intense (16.9) — 11 inversions + unbanked high-speed turns nuked the excitement. I'll demolish and rebuild a moderate design: big lift, 4 inversions, banked/hills return, brakes before station.

  60. 16:34
    $0.0025
  61. 16:38
    new_ride8 ms
    {"dir":2,"ride_type":51,"x":40,"y":80}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"ride_id":0}
  62. 16:38
    $0.0014
  63. 16:44
    place_pieces8 ms
    {"pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":2,"slope":0,"x":64,"y":80,"z":112},"placed_this_call":24,"total_placed":24}
  64. 16:44
    $0.0003
  65. 16:53
    place_pieces11 ms
    {"pieces":["flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":2,"slope":0,"x":85,"y":80,"z":112},"placed_this_call":17,"total_placed":41}
  66. 16:53
    $0.0003
  67. 16:57
    place_pieces8 ms
    {"pieces":["left_turn_5","left_turn_5","s_bend_left"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":81,"y":84,"z":112},"placed_this_call":3,"total_placed":44}
  68. 16:57
    $0.0003
  69. 16:58
    valid_next_pieces11 ms
    {"cursor":{"bank":0,"dir":0,"slope":0,"x":81,"y":84,"z":112},"valid_pieces":["flat","end_station","begin_station","middle_station","flat_to_up_25","flat_to_down_25","left_turn_5","right_turn_5","flat_to_left_bank","flat_to_right_bank","s_bend_left","s_bend_right","left_turn_3","right_turn_3","left_corkscrew_up","right_corkscrew_up","flat_to_up_60","brakes","booster"]}
  70. 16:58
    $0.0003
  71. 17:55
    place_pieces7 ms
    {"pieces":["flat","flat",{"speed":25,"t":"booster"},"flat","flat","flat","flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat",{"speed":8,"t":"brakes"},{"speed":8,"t":"brakes"},"flat","left_turn_5","left_turn_3"]}
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"placed_this_call":43,"total_placed":87}
  72. 17:55

    flat_to_down_25 is available here — hills are possible. Building the westbound return with two airtime hills, brakes, and the final approach.

  73. 17:55
    $0.0012
  74. 17:57
    finish_and_test731 ms
    {"bounds":{"max_tile_x":87,"max_tile_y":85,"max_z":312,"min_tile_x":38,"min_tile_y":80,"min_z":112},"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left","flat","flat",{"speed":25,"t":"booster"},"flat","flat","flat","flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25",… (2224 chars)
  75. 17:57
    $0.0007
  76. 19:09

    Improved a lot: **6.81** (intensity 7.42, 4 inversions, real airtime -1.27g, similarity 0.37). Pushing higher: I'll rebuild with 6 inversions (add a return loop pair) plus an extra airtime hill.

  77. 19:09
    demolish18 ms
    {"demolished":0}
  78. 19:09
    $0.0017
  79. 19:31
    new_ride9 ms
    {"dir":2,"ride_type":51,"x":40,"y":80}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"ride_id":0}
  80. 19:31
    $0.0125
  81. 19:44
    place_pieces18 ms
    {"pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":81,"y":84,"z":112},"placed_this_call":44,"total_placed":44}
  82. 19:44
    $0.0126
  83. 19:58
    place_pieces16 ms
    {"pieces":["flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat",{"speed":20,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat","flat","flat","flat","flat","flat","flat","flat","flat",{"speed":8,"t":"brakes"},{"speed":8,"t":"brakes"},"flat","left_turn_5","left_turn_3"]}
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"placed_this_call":41,"total_placed":85}
  84. 19:58
    $0.0005
  85. 20:02
    finish_and_test819 ms
    {"bounds":{"max_tile_x":87,"max_tile_y":85,"max_z":312,"min_tile_x":38,"min_tile_y":80,"min_z":112},"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left","flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","do… (2295 chars)
  86. 20:02
    $0.0004
  87. 20:39

    **7.20 banked** (intensity 8.27, 6 inversions). I have headroom to ~10 intensity. Final push: 12-piece lift (taller/faster drop) + a third airtime hill.

  88. 20:39
    demolish17 ms
    {"demolished":0}
  89. 20:39
    $0.0011
  90. 20:42
    new_ride17 ms
    {"dir":2,"ride_type":51,"x":40,"y":80}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"ride_id":0}
  91. 20:42
    $0.0010
  92. 20:52
    place_pieces11 ms
    {"pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":85,"y":84,"z":112},"placed_this_call":48,"total_placed":48}
  93. 20:52
    $0.0004
  94. 21:22
    place_pieces15 ms
    {"pieces":["flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat",{"speed":20,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat",{"speed":20,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":47,"y":84,"z":112},"placed_this_call":36,"total_placed":84}
  95. 21:22
    $0.0137
  96. 21:29
    place_pieces11 ms
    {"pieces":["flat","flat","flat","flat",{"speed":8,"t":"brakes"},{"speed":8,"t":"brakes"},"flat","left_turn_5","left_turn_3"]}
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"placed_this_call":9,"total_placed":93}
  97. 21:29
    $0.0006
  98. 21:47
    finish_and_test731 ms
    {"bounds":{"max_tile_x":91,"max_tile_y":85,"max_z":344,"min_tile_x":38,"min_tile_y":80,"min_z":112},"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left","flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"fla… (2470 chars)
  99. 21:47
    $0.0003
  100. 22:30

    **7.23 banked**. Airtime up (33) but excitement barely moved — inversions are the stronger lever. I'll try 8 inversions (add a second return loop pair) while managing intensity with two hills instead of three.

  101. 22:30
    demolish26 ms
    {"demolished":0}
  102. 22:30
    $0.0011
  103. 23:07
    new_ride14 ms
    {"dir":2,"ride_type":51,"x":40,"y":80}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"ride_id":0}
  104. 23:07
    $0.0138
  105. 23:18
    place_pieces12 ms
    {"pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":85,"y":84,"z":112},"placed_this_call":48,"total_placed":48}
  106. 23:18
    $0.0141
  107. 23:29
    place_pieces14 ms
    {"pieces":["flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat","flat",{"speed":20,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":20,"t":"booster"},"flat","flat_to_up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":0,"slope":0,"x":46,"y":84,"z":112},"placed_this_call":35,"total_placed":83}
  108. 23:29
    $0.0005
  109. 23:38
    place_pieces15 ms
    {"pieces":["flat","flat","flat",{"speed":8,"t":"brakes"},{"speed":8,"t":"brakes"},"flat","left_turn_5","left_turn_3"]}
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":80,"z":112},"placed_this_call":8,"total_placed":91}
  110. 23:38
    $0.0005
  111. 23:40
    finish_and_test731 ms
    {"bounds":{"max_tile_x":91,"max_tile_y":85,"max_z":344,"min_tile_x":38,"min_tile_y":80,"min_z":112},"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left","flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"fla… (2473 chars)
  112. 23:40
    $0.0004
  113. 23:51
    best_result8 ms
    {"bounds":{"max_tile_x":91,"max_tile_y":85,"max_z":344,"min_tile_x":38,"min_tile_y":80,"min_z":112},"placed_pieces":["begin_station","middle_station","middle_station","middle_station","end_station","flat_to_up_25",{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat_to_down_60","down_60","down_60_to_down_25","down_25","down_25","down_25","down_25","down_25","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat","flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","left_turn_5","left_turn_5","s_bend_left","flat","flat",{"speed":25,"t":"booster"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat","flat",{"speed":25,"t":"booster"},"fla… (2473 chars)
  114. 23:51

    **7.29 banked** (8 inversions, intensity 9.33, length 783). Investing more in inversions risks breaching intensity 10. I'll consolidate this as the winner.

  115. 23:51
    $0.0006
  116. 23:59

    Best score confirmed at **7.29**. Applying final name and livery to the winner.

  117. 24:00
    style_best_ride732 ms
    {"name":"Azure Fang","rail_color":"bright_purple","support_color":"dark_blue","track_color":"icy_blue"}
    {"presentation":{"name":"Azure Fang","rail_color":"bright_purple","support_color":"dark_blue","track_color":"icy_blue"},"score":7.289999961853027,"score_changed":false,"styled":"best_result"}
  118. 24:00
    $0.0006
  119. 24:03

    **Azure Fang** (steel twister, round 6 winner): 8 loops/inversions on a 25-tile-tall lift, 91 pieces, 783m, 60s — **excitement 7.29**, intensity 9.33, nausea 4.89, no crashes, 0.32 stock-similarity.

  120. 24:03
    $0.0004

← openrouter_deepseek_deepseek-v4-flash-0731 · 20260731-deepseek-v4-flash-design · all runs