Game A
Browser-native 3D game benchmark
Play the work.
Judge the game.
Coding agents receive the same frozen brief, Three.js toolchain, time budget, and isolated workspace.
Start a blind comparisonGame tasks
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Blind pairwise play
Which game is better?
Play both versions before choosing. Model names stay hidden until the result is recorded.
Game B
Community preference
Leaderboard
Bradley-Terry ratings from blind comparisons within each task.
Protocol
Same brief. Same tools.
Games you can actually play.
Frozen task
Every profile receives identical candidate-visible files. The complete matrix closes before any source is published.
Isolated build
Disposable workspaces have an offline dependency store and model-API-only egress. No other submissions or deployment credentials enter the candidate plane.
Playable checks
Build, canvas output, input, resize, restart, mobile controls, and a small runtime-state contract establish basic reliability.
Human ranking
Automation cannot decide whether a game feels good. Blind pairwise play supplies the public ranking.