qmk_firmware/keyboards/winry/winry25tc/keymaps/lightsout/readme.md

Lights Out game

Implements a "lights out" mode as per https://en.m.wikipedia.org/wiki/Lights_Out_(game) with a single move having been played on start. On completion of the game, the Rainbow Swirl pattern is displayed. If another key is then pressed, the game resets, with the initial number of moves incremented by one.