Diesel Games is a roleplaying game company.

We design, write, and publish original systems, adventures, and tools.

Featured

Jan 30, 2026

system, rules

Facets

Jan 30, 2026

system, rules

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Jan 30, 2026

system, rules

Jan 23, 2026

review, OSR, Mausritter, 26-in-26, library

26 in 26: Mausritter

Jan 23, 2026

review, OSR, Mausritter, 26-in-26, library

The first game I played in 2026 was Mausritter, an all-ages tabletop game inspired by, and perhaps part of the tradition of, the Old-School Renaissance.

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Jan 23, 2026

review, OSR, Mausritter, 26-in-26, library

Jan 16, 2026

rules, system, d%

Win When You Need

Jan 16, 2026

rules, system, d%

Random chance is great - there’s a reason dice have run the table in RPGs from inception to present. But what about that extra narrative oomph? What if you had a way to win, for sure, when it really mattered?

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