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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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Best For

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

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.

Dice2d6
System FamilyOSR
PublisherSwordfish Islands LLC
Year2024
ComplexityHow much there is to learn
Very Low

Roll 2d6 plus an ability to avoid danger, with advantage adding a die. The one-page rules lean on random tables for everything else.

AvailabilityHow you get the rules
  • Free to tryNothing freeNo free rules or starter
  • Get it nowSold newIn print or as a legal PDF
RunnabilityWhat the book gives you to run it
  • –IndexNo back-of-book index or page-keyed reference tables
  • ✓GM guidanceA chapter on how to run the game
  • ✓Examples of playRules shown in action at the table
  • –Quick referenceNo cheat sheet or summary tables
  • –Cross-referencesRules rarely point to each other by page

2 of 5 book tools found in the core book

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

Rules license CC BY 4.0

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