That changed around 2018-2020 when dedicated modders (specifically users like FluffyQuack , The Legend , and Foeyz ) cracked the game’s .RCC archives. Today, mods allow for:
There are various "unlockers" meant to grant access to the Radnet Pass content (like the Mercer skin and extra mutations). prototype 2 mods
: A comprehensive community build that integrates stability patches with graphical enhancements. It often requires specific manual file placements in the game's root directory, such as Visual C++ runtime updates. Steam Community Visual & Graphical Overhauls prototype 2 mods