Entish: A language for implementing RPG rules in formal logic
Entish is a declarative Datalog-like language for formal RPG rules - etherealmachine/entish
Entish: A language for implementing RPG rules in formal logic launched on July 4, 2021 with 17 votes, #1,265 of 3,502 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.
In plain words
Entish is a formal logic language designed specifically for implementing RPG game rules. It allows developers to express complex game mechanics and rule systems in a structured, logical format. The tool is intended for game designers and programmers who need to codify RPG rulesets in a way that can be parsed and executed systematically. What distinguishes Entish is its focus on bringing formal logic rigor to tabletop and digital RPG rule implementation.
written from the facts on this page · September 2026
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