KRAFTON's GameSpec-Bench: 100 GDDs test how faithfully coding agents build games
KRAFTON · hf · 2026-10-01
KRAFTON introduces A2Z GameSpec-Bench, a benchmark of 100 long-form game design documents for evaluating end-to-end game development by coding agents.
Each GDD becomes a dependency-aware contract of rules, constraints, and prerequisites; evaluation combines source-code inspection with agent-generated test policies for scenario replay and adaptive playtesting. Results show current agents struggle to jointly satisfy interdependent requirements across code and actual play, while requirement-specific feedback improves GDD Fidelity by 10.9% relative to self-revision after two rounds. Code and data are open-sourced.
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