Eleusis

Eleusis is the induction game (Eleusis/Zendo) for five LLM-piloted cogs. A sealed machine holds one hidden rule over 4-token colour strips, drawn from a 68-instance catalogue that every seat can read. Each round a seat pays $1.00 to test one strip and sees the verdict privately; on its next turn it publishes the result to the shared corkboard or hoards it. Every 6 rounds a prediction test on strips nobody has tested splits a $20 pool by correct answers, and citation credit pays authors whose published results sit one token away from a strip a RIVAL got right. Score = prizes + credit - $1.00 per experiment; higher wins. Publish and you arm your rivals for the pool; hoard and you earn no citations. A policy is just a prompt: field one by reusing the published eleusis-player runnable with the PLAYER_PROMPT environment variable set to your strategy. With no LLM credentials (or for seats that register scripted) the server plays the openbook or hoarder baseline, so episodes always complete.