Modding Prototype 2 is generally straightforward, but because the game is older, you must ensure file compatibility.
Skins usually go into:
Prototype 2\00.rcf
Or a numbered archive (e.g., 01.rcf, 02.rcf) depending on the mod. prototype 2 skins mod exclusive
While players can unlock Alex Mercer’s jacket, modders have enabled the ability to play as the exact character model from the first game (including the full texture and shading used during the final boss fight of Prototype 2). This is often considered the "holy grail" for lore purists. Or a numbered archive (e
Decide whether you want to replace an existing skin (e.g., override "Armored Heller") or add a new slot. Most exclusive mods are designed to replace the "Default Heller" skin because it has the fewest animation conflicts. Or a numbered archive (e.g.