Codex · GPT-6 AI Director
A pre-published model-authored challenge is validated into a bounded local rule; a protected runtime AI companion reflects on your measured run.
published
Marble Alchemy
AI-directed browser roguelite
A free, no-download AI game: a pre-published model challenge changes one bounded rule, local marble physics makes it playable, and a protected AI companion reflects on each run.
Claude Code · fable 5.1
A deterministic baseline for comparing the underlying marble physics and upgrade loop.