Rulesets · shipped, reviewed, free

One ruleset today. Six ways to roll. One engine.

Compiled from its SRD, read through by a GM, pinned by the rulings it got right. Play it free today — no code between it and the table, and none needed for yours.

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The six ways a roll resolves

One engine, every archetype.

target number degrees of success dice pool ladder outcome table roll-under

On the shelf

Reviewed, pinned, free.

D&D 5e SRD target number · d20

A d20 against armour or a difficulty. Attacks, saves, conditions, the SRD bestiary.

reviewed free

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The corpus

Pinned by rulings the table already got right.

Gherkin rulings with pinned dice, run on every change. Armour can never heal. The crit save rolls only on a real HP underflow. Small, real, and growing with every session.