TRACE · ROUND 2

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

gpt-5.6-sol · 20260727-gpt56-sol-design-full · round 2 back to model →
events
32
tool calls
30
rejected
0
session
0:00
Session trace
  1. new_ride
    {"dir":2,"ride_type":51,"x":39,"y":95}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"ride_id":0}
  2. place_pieces
    {"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat","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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down","s_bend_left","s_bend_right","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat",… (2116 chars)
    {"circuit_closed":false,"cursor":{"bank":4,"dir":2,"slope":0,"x":39,"y":95,"z":112},"placed_this_call":120,"rejection":{"error":"Twister Roller Coaster 1 in the way","index":120,"piece":"right_bank_to_flat"},"total_placed":120}
  3. undo_piece
    {"cursor":{"bank":4,"dir":1,"slope":0,"x":36,"y":93,"z":112},"pieces_placed":119,"removed":"banked_right_turn_5"}
  4. undo_piece
    {"cursor":{"bank":0,"dir":1,"slope":0,"x":36,"y":92,"z":112},"pieces_placed":118,"removed":"flat_to_right_bank"}
  5. undo_piece
    {"cursor":{"bank":0,"dir":1,"slope":0,"x":36,"y":91,"z":112},"pieces_placed":117,"removed":"flat"}
  6. place_pieces
    {"pieces":["flat_to_right_bank","banked_right_turn_5","right_bank_to_flat"]}
    {"circuit_closed":false,"cursor":{"bank":0,"dir":2,"slope":0,"x":40,"y":94,"z":112},"placed_this_call":3,"total_placed":120}
  7. piece_geometry
    {"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)
  8. piece_geometry
    {"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)
  9. undo_piece
    {"cursor":{"bank":4,"dir":2,"slope":0,"x":39,"y":94,"z":112},"pieces_placed":119,"removed":"right_bank_to_flat"}
  10. undo_piece
    {"cursor":{"bank":4,"dir":1,"slope":0,"x":36,"y":92,"z":112},"pieces_placed":118,"removed":"banked_right_turn_5"}
  11. undo_piece
    {"cursor":{"bank":0,"dir":1,"slope":0,"x":36,"y":91,"z":112},"pieces_placed":117,"removed":"flat_to_right_bank"}
  12. place_pieces
    {"pieces":["flat","flat","flat","right_turn_3","flat"]}
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"placed_this_call":5,"total_placed":122}
  13. finish_and_test
    {"ticks":25000}
    {"bounds":{"max_tile_x":64,"max_tile_y":95,"max_z":376,"min_tile_x":21,"min_tile_y":62,"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat","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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down",… (3006 chars)
  14. demolish
    {"demolished":0}
  15. new_ride
    {"dir":2,"ride_type":51,"x":39,"y":95}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"ride_id":0}
  16. place_pieces
    {"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat",{"speed":18,"t":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":20,"t":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down","s_bend_left","s_bend_right","flat","flat","flat","flat","flat","flat","flat","f… (2121 chars)
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"placed_this_call":124,"total_placed":124}
  17. finish_and_test
    {"ticks":25000}
    {"bounds":{"max_tile_x":64,"max_tile_y":95,"max_z":376,"min_tile_x":21,"min_tile_y":61,"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat",{"speed":18,"t":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat","flat_to_up_25","right_vertical_loop","down_25_to_flat",{"speed":20,"t":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_u… (3007 chars)
  18. demolish
    {"demolished":0}
  19. new_ride
    {"dir":2,"ride_type":51,"x":39,"y":95}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"ride_id":0}
  20. place_pieces
    {"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat",{"speed":24,"t":"brakes"},"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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down","s_bend_left","s_bend_right","flat","flat","flat","flat","flat","flat","flat","f… (2121 chars)
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"placed_this_call":124,"total_placed":124}
  21. finish_and_test
    {"ticks":25000}
    {"bounds":{"max_tile_x":64,"max_tile_y":95,"max_z":376,"min_tile_x":21,"min_tile_y":61,"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat",{"speed":24,"t":"brakes"},"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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_u… (3051 chars)
  22. demolish
    {"demolished":0}
  23. new_ride
    {"dir":2,"ride_type":51,"x":39,"y":95}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"ride_id":0}
  24. place_pieces
    {"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"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60_to_down_25","down_25","down_25","down_25_to_flat","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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down","s_bend_left","s_bend_right","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","fl… (2099 chars)
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"placed_this_call":124,"total_placed":124}
  25. finish_and_test
    {"ticks":25000}
    {"bounds":{"max_tile_x":63,"max_tile_y":95,"max_z":360,"min_tile_x":20,"min_tile_y":60,"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"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60_to_down_25","down_25","down_25","down_25_to_flat","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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_do… (3018 chars)
  26. demolish
    {"demolished":0}
  27. new_ride
    {"dir":2,"ride_type":51,"x":39,"y":95}
    {"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"ride_id":0}
  28. place_pieces
    {"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat","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":"brakes"},"s_bend_left","flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down","s_bend_left","s_bend_right","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat","flat_to_right_bank","banked_right… (2054 chars)
    {"circuit_closed":true,"cursor":{"bank":0,"dir":2,"slope":0,"x":39,"y":95,"z":112},"placed_this_call":121,"total_placed":121}
  29. finish_and_test
    {"ticks":25000}
    {"bounds":{"max_tile_x":64,"max_tile_y":95,"max_z":376,"min_tile_x":21,"min_tile_y":62,"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat","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":"brakes"},"s_bend_left","flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down","s_bend_left","s_bend_right","flat… (2969 chars)
  30. best_result
    {"bounds":{"max_tile_x":64,"max_tile_y":95,"max_z":376,"min_tile_x":21,"min_tile_y":62,"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"},{"chain":true,"t":"up_25"},{"chain":true,"t":"up_25"},"up_25_to_flat","flat","right_turn_5","flat_to_down_60","down_60","down_60","down_60","down_60_to_flat","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":"brakes"},"flat_to_up_25","left_vertical_loop","down_25_to_flat",{"speed":22,"t":"booster"},"flat_to_up_25","right_vertical_loop","down_25_to_flat","flat_to_right_bank","banked_right_turn_5","right_bank_to_flat","flat_to_up_25","up_25","up_25","up_25","up_25_to_flat","flat_to_down_25","down_25","down_25","down_25","down_25_to_flat","left_corkscrew_up","right_corkscrew_down",… (3006 chars)

  31. Best: original 122-piece steel twister with 5 inversions, 8 drops, and 26 seconds of airtime — excitement **7.67**.

← gpt-5.6-sol · 20260727-gpt56-sol-design-full · all runs