A downloadable game

Are your 5e players unwilling to read an additional 40-400 page rulebook? 

Are you interested in old school dungeons, but do not want to learn a whole new system just to try it out for a session or two? 

Then this is the game system for you! 

This free game is made for you to run old school modules without having to read a thick book or change from your 20 sided die system.  Attached are the Core Rules, character sheets, a short introductory module (Death Goblins), and my own ideas on what spells do if you are having trouble being creative.  An easily hackable system allows you to swap out spells, classes, or other things from other systems if you desire, but makes the core mechanics straightforward for quick to pick up games. 

Unique

  • Classless (no cleric, fighting man, magic user, thief, etc.) PC’s are their stats and inventory
  • Derivative Stats (no changing a 10 strength into a +0) your stats ARE your modifiers and proficiencies
  • Easy Tracking of ammo/rations (if it is taking up  a slot, you have it)
  • No demi humans (elves, dwarves, halflings, etc.) PC’s are humans in a fantasy world
  • 20 sided dice base, most things are transferred over to a 20 sided die for simplicity
  • Ascending AC; including a conversion from a THAC0 based AC to this system
  • Roll for Spells, the most out of the ordinary, but necessary for a one page game

Download

Download
One Page Dungeon Adventures - Core Rules v1.0.pdf 679 kB
Download
OPDA Character Sheets.pdf 222 kB
Download
OPDA DM EYES ONLY (Sample Module and Sample Spell Notes).zip 1 MB

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