CLAUDE-SONNET-5 · 20260722-224837

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

claude-sonnet-5 · 2nd of 2 compare all models →

design · wooden · driver-api · design mode — models build from scratch

score
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intensity
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nausea
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best round
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rated rounds
0/1
tokens / cost
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1 round(s)

Round 1 build failed

build failed at piece 10 (10/42 pieces placed): rejected at cursor (x=50, y=60, z=216, dir=0): Too steep for lift hill

track program (42 pieces)
{
  "pieces": [
    {
      "t": "begin_station"
    },
    {
      "t": "middle_station"
    },
    {
      "t": "end_station"
    },
    {
      "t": "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_to_up_60"
    },
    {
      "chain": true,
      "t": "up_60"
    },
    {
      "chain": true,
      "t": "up_60"
    },
    {
      "t": "up_60_to_flat"
    },
    {
      "t": "left_turn_3"
    },
    {
      "t": "down_25"
    },
    {
      "t": "down_25"
    },
    {
      "t": "down_25_to_down_60"
    },
    {
      "t": "down_60"
    },
    {
      "t": "down_60_to_flat"
    },
    {
      "t": "left_turn_3"
    },
    {
      "t": "flat_to_up_25"
    },
    {
      "t": "up_25"
    },
    {
      "t": "up_25_to_left_bank"
    },
    {
      "t": "left_bank"
    },
    {
      "t": "left_bank"
    },
    {
      "t": "left_bank_to_up_25"
    },
    {
      "t": "up_25_to_flat"
    },
    {
      "t": "left_turn_5"
    },
    {
      "t": "flat_to_down_25"
    },
    {
      "t": "down_25"
    },
    {
      "t": "down_25_to_flat"
    },
    {
      "t": "left_turn_3"
    },
    {
      "t": "flat_to_left_bank"
    },
    {
      "t": "banked_left_turn_5"
    },
    {
      "t": "left_bank_to_flat"
    },
    {
      "t": "s_bend_left"
    },
    {
      "t": "left_turn_3"
    },
    {
      "t": "flat"
    },
    {
      "t": "flat"
    },
    {
      "t": "brakes"
    },
    {
      "t": "flat"
    }
  ],
  "ride_type": 52,
  "start": {
    "dir": 0,
    "x": 60,
    "y": 60
  }
}
park screenshot, claude-sonnet-5 round 1 view 1

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