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Dungeonbright is a fantasy rpg toolkit built to accommodate modern osr or “adventure game” play. It's structured to facilitate fast GM adjudication and diegetic mechanics.

Dungeonbright is written by Ben and Jessica Dutter, with art by Lorc, Delapouite, DarkZaitzev, Cathelineau, and Skoll (from 


Short game even shorter:

  • Three abilities (Body, Mind, Spirit)
  • Three "fields" (Combat, Expertise, Magic)
  • Skill system allows you to skip related tasks
  • Mechanics to minimize the amount of rolling
  • Everything is treated as either a check or a save (including combat)
  • Dungeons are corrupted by mythological, wholly capital-E evil darkness
  • Any PC can cast spells, which significantly differ from TSR-era magic (including in-fiction rules for "recharging" failed spells, and all spells being directly related to dungeoneering)


Dungeonbright’s design goals are:

  • Mechanized GM fiat
  • Completely in-fiction or diegetic
  • Unified and coherent mechanics
  • Rewarding player ingenuity
  • Evocative, flexible characters
  • Content and dungeon compatibility


First of all, the game is totally free. Download it, share it, print it out, use it however you'd like (just don't sell it or remove the artist credits). Dungeonbright, first and foremost, is what we want in a "pure" osr game: it's fast, grounded, and easy to play even for beginners. The core systems are all familiar, but there are ways we've mechanized GM fiat and PC competency that we feel are a breath of fresh air.

If you're into games like Maze Rats, Into the Odd, Tunnel Goons, or GLOG, then absolutely check out Dungeonbright (even just to steal ideas from!). 

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Reviews (2)
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June 28th, 2020
This is a shortened version of my review of Dungeonbright. For the full review visit [...]
June 16th, 2020
On June 15, 2020 I soloed my way through Master of the Fallen Fortress (Pathfinder 1.0 RPG, free at Paizo), a nine page adventure with six characters provided. It is for first level characters. It is designed for a Dungeon Master and several players. [...]
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File Last Updated:
June 13, 2020
This title was added to our catalog on June 14, 2020.