Patch.tjs Xp3filter.tjs -
Based on the filenames Patch.tjs and Xp3filter.tjs, you are likely looking at Kirikiri/Z-Game Engine (often used for visual novels). These files are typically used for modding, extraction, or file replacement without modifying the original game archives (.xp3 files).
Modders and users typically utilize these files in the following manner: Patch.tjs Xp3filter.tjs
Configure the Patch Hook: If you are using a patch.tjs, place it in the same directory. Some setups require you to move Config.tjs from the system folder to the root so the engine reads the patch instructions before the main game boots. Based on the filenames Patch
This is a detailed technical write-up regarding Patch.tjs and Xp3filter.tjs — two script files commonly encountered in the context of Kirikiri/Z-Game engine (also known as TJS2 engine), often used in visual novels and adventure games. These files are central to game modification, translation patches, asset replacement, and reverse engineering workflows. Some setups require you to move Config
Note: You can often find pre-made filters for specific games in the Kirikiroid2 Patch Library on GitHub.
Structure Example
class Xp3Filter
function filterFile(archive, filename, data)
if (filename == "scenario/start.ks")
// Replace or modify scenario data
return modifiedData;
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