DURF Old-School Renaissance (OSR); Classless; Low Prep; Quick-Play; Rules Lite

OSR/PbtA‑inspired • d20 tests with advantage • 3–5 + GM • Low prep • Rules‑lite • 2–3h sessions

Theme and Setting

DURF aims squarely at dungeon‑fantasy: hazardous delves, strange magic, and meaningful resource choices. It embraces the OSR ethos—player ingenuity over character build depth—so tone leans more perilous than heroic, with quick consequences and room for emergent worldbuilding.

Core Mechanics and Rules

Resolution centers on d20 tests with a simple advantage/disadvantage toggle. Characters are classless; backgrounds and gear define roles. Hit Dice are low and damage is punchy, keeping fights tense. Procedures for inventory, exploration, and rests are lightweight, reducing bookkeeping without losing the crawl loop.

What Makes It Unique

Compared to bulkier retroclones, DURF strips to essentials while keeping familiar OSR procedures. Its advantage mechanic smooths adjudication and speeds table calls, and the text is hack‑friendly under CC‑BY—encouraging tables to mod, bolt on options, or re‑skin for different subgenres.

Target Audience and Player Experience

Great for new or lapsed players, con slots, and groups that favor rulings‑over‑rules. Expect fast starts, risky choices, and succinct character sheets. GMs who enjoy improvising will find it frictionless; those wanting prescriptive guidance may want to pair with a starter dungeon or procedure primer.