D4: A rules-lite RPG system

This is a free / rules-lite RPG system I made. It is largely adapted from the system I designed when I played D&D (lite) with my daughters years ago.

Rules in one page For both players and the GM.

Gamemaster Guide Additional notes on game mechanics, adventure design, and some sample monsters & traps.

Fantasy-themed characters

Printable sample characters These are formatted such that if you print on both sides of a page, you'll have the character sheet on one side and a brief rules synposis on the other side.

Level-up ideas These are tailored for the sample characters above, but are good fodder for other character ideas.

Sci-Fi-themed characters

Printable sample characters Like the fantasy characters, these are formatted such that if you print on both sides of a page, you'll have the character sheet on one side and a brief rules synposis on the other side.

Level-up ideas These are tailored for the sample characters above.