Use WinRAR or 7-Zip to open the 3DM archive. You will typically see two files:
Installing this mod grants access to several skins, powers, and game modes typically found in the Radnet -> Rewards Colossal Mayhem Pack: Prototype 2 DLC Unlocker-3DM mod
This is a crucial question. For the past decade, the official solution was to buy the "Prototype 2 RADNET Edition" on Steam. However, in late 2023 and early 2024, Activision (the publisher) delisted several older Prototype DLC packs due to server shutdowns. As of 2025: Use WinRAR or 7-Zip to open the 3DM archive
