The mod was first released on the 25th of June 2016 and created by the SPV3 Dev Team, headed by Masterz1337, a group of modders who have developed several other Halo: Custom Edition mods in the past, such as SPV2. Singleplayer Version 3, better known as SPV3, is a sophisticated, large scale mod of Halo: Custom Edition that mainly features a revamped version of Halo: Combat Evolved's Campaign, including terminals, new weapons, vehicles and enemies, additional sections of levels, vastly improved graphics and more.Martin O'Donnell and Michael Salvatori (Original music).