GPT-5.5 in Codex made a surprisingly solid table top RPG game masters guide & player guide, which it "playtested." It leans into the storytelling aspect, and still has some very LLM-y elements, but it is a novel setting. PDF: https://
drive.google.com/file/d/10QKnfj
JaWHxsTu4fo_dgMU6pAJXxuw3t/view?usp=sharing
…
More: https://
oneusefulthing.org/p/sign-of-the-
future-gpt-55
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GPT-5.5 Creates Tabletop RPG Guide Through AI Playtesting
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