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Maze Rats

Revised Edition
A 12-page RPG packed with random tables for instant old-school adventure
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fantasy
Rules-LightDungeon CrawlSandboxRandom TablesImprovisationFreeform MagicOpen Source
Languages: English
Dice2d6
System FamilyOSR
Cost$
LicenseCC BY 4.0
PublisherSwordfish Islands LLC
Year2024
Complexity Very Low
Accessibility High
Community Low

Core Mechanic

Danger Roll: roll 2d6 + ability bonus (STR, DEX, or WIL), 10+ avoids danger. Advantage rolls 3d6 keep best two. Attack rolls use 2d6 + Attack Bonus vs. target's Armor. Spells are randomly generated from combination tables (effect + element + form) and erased after casting.

Best For

GMs who want a dead-simple system with extensive random tables that generate adventures, spells, NPCs, and monsters on the fly.

Highlights

Fits in 12 pages, extensive random tables for on-the-fly worldbuilding, spell generation system is highly creative, CC BY 4.0 license, near-zero prep

Considerations

Very minimal — experienced players may want more mechanical depth, no bestiary or setting included, advancement is slow and simple, assumes GM comfort with improvisation