Getting started: Tools and theory

What is a framework?


Cyber Engine Tweaks

Cyber Engine Tweaks is a plugin that fixes some Cyberpunk 2077 issues and adds some features including a console with Lua scripting support. Lots of popular mods such as AMM run on top of CET.


Redscript is an open-source programming language and toolset designed to work natively with Cyberpunk 2077's scripting runtime. Redscript allows modders to write scripts that extend many features such as user-interface, combat balance, and NPC behavior.


RED4ext is a script extender for Cyberpunk 2077, allowing modders to interact or extend the scripting system.

TweakXL + ArchiveXL

TweakXL is a Cyberpunk 2077 mod built on RED4ext that allows you to modify TweakDB.This allows you to modify object attributes and requirements, create new items etc. ArchiveXL is a modding tool that allows you to load game resources without touching original game files, thus allowing multiple mods to expand same resources without conflicts.