Benchmarks › Mystery Game Puzzles

Mystery Game Puzzles

Solve puzzles from an undisclosed game variant
84top score · GPT-6 Astra
64models ranked
15open-weights models
Accuracyhigher is better
Oct 20, 2026last updated

How the test works

1

Task

100 game positions

  • What the model doesSolve puzzles from an undisclosed game variant
  • Kinds of tasksBest-next-move selection
2

Run

Minimal agent scaffold with a submission tool

  • Tools allowedMove submission
3

Score

Accuracy

  • Graded byNormalize submitted move and compare to answer key; invalid/unanswered moves get no credit
  • Better isHigher
  • Test setGame identity, prompts, examples and model transcripts withheld
Sources: epoch.ai

Mystery Game Puzzles leaderboardtop 10 of 64

Full leaderboard with filters →
ModelMystery Game PuzzlesPer taskPriceSpeedSupportsContext
84max
$3.26$10 / $50691.05M
80max
$0.72$2 / $10521.05M
71max
$5.98$4 / $20961M
65max
$5.46$2 / $101371M
64high
$1.99$2 / $10841M
Claude Opus 5Anthropic
59max
$5.86$5 / $25551M
58max
$7.63$10 / $50691M
58max
$1.99$4 / $201141.05M
GPT-5.5OpenAI
56xhigh
$2.63$5 / $301131.05M
GPT-6 SolOpenAI
56max
$1.04$2 / $101281.05M

Mystery Game Puzzles questions

What is Mystery Game Puzzles?›

Solve puzzles from an undisclosed game variant. It has 100 game positions. Created by Epoch AI.

Which model is best on Mystery Game Puzzles?›

GPT-6 Astra leads Mystery Game Puzzles with 84, ahead of GPT-6.1 Sol (80) and Claude Opus 5.5 (71).

What is the best open-weights model on Mystery Game Puzzles?›

DeepSeek V4 Pro 0813 with 43, then GLM 5.3 (33).

How is Mystery Game Puzzles scored?›

Accuracy; normalize submitted move and compare to answer key; invalid/unanswered moves get no credit.