Important Note: On consoles (PS3, Xbox 360, PS4 via streaming), there is no trainer. You must grind or use the server exploit below.
This is where most players get stuck. The Radnet Edition of Prototype 2 included exclusive skins that are no longer available for purchase on some storefronts. However, if you own the DLC or the "Radnet Pack," here is how to unlock them. Prototype 2 Unlock All Skins
Prototype 2 features a range of challenge missions that test your skills and provide rewards in the form of new skins. These challenge missions can be accessed from the game's main menu. Important Note: On consoles (PS3, Xbox 360, PS4
For example, completing the "Hunter" challenge mission will unlock the "Hunter" skin, a tactical outfit inspired by military and SWAT teams. This is where most players get stuck