Because all of the game's assets are stored as 'tags' in map files, virtually everything that isn't part of the core game engine can be altered by a mapmaker. Halo, the computer game developed by Bungie Studios, Microsoft's 'Microsoft Game Studios' and '343 Industries', Gearbox Software, and MacSoft, has the following common, playable game versions. Halo CE Energy-Sword - posted in File topics: Halo CE Energy-Sword The Energy Sword From Halo CE the game crashes everytime. Extinction is a term regarding the disappearance, or dying out, of an entire species.