Dethrone: an open-source card game testing Jev, a model that outputs decisions instead of text

aaddrick · reddit · 2026-09-20

Developer aaddrick released Dethrone, a free open-source card game built to test Jev, typesafe.ai's decision model that returns answers with probabilities (700ms) instead of generating text. Inspired by Reigns but inverted, players submit petition cards to a king played by Jev, aiming to dethrone him. Each turn uses two calls (questions in one call are answered independently, preventing consequence forecasting); all on-screen text is human-authored — the model only decides. Every turn is logged with raw calls at dethroned.ai/eval, source on GitHub.

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