The new mods for Halo: Campaign Evolved significantly enhance customization options that boost immersion, replayability, and accessibility without altering the fundamental mechanics. Hidden Skins Unlocker ModHidden Skins Unlocker mod unlocks hidden weapon and armor skins that are normally unobtainable in the game. Split-screen Co-op ModHalo: Campaign Evolved Split-screen Co-op mod adds local split-screen co-op to the PC version of the game, just like in console builds. 100% Save File Mod100% Save File mod provides a 100% complete save file with all missions, rally points, skulls, and terminals unlocked. Mark IV in Main Campaign ModMark IV in Main Campaign mod allows you to equip and use the classic Mark IV armor from the prequel campaign within the main story of Halo: Campaign Evolved.