Patch.xp3 -

arcusmaximus/KirikiriTools: Tools for the Kirikiri visual novel engine

Emulator for running KiriKiri games on Android . How to Use patch.xp3 for Modding/Translation Guide :: FUNCTIONAL patch and H-scene achievement

A patch.xp3 file is a container used by the KiriKiri engine (commonly used for visual novels) to apply updates, translations, or mods to a game without altering the original game files .