The Halo Custom Edition game (Halo CE) is a free unsupported upgrade and standalone program that will install alongside of your Halo PC game. Unlike Halo PC The Halo CE game allows you to play and or create custom maps for multiplayer on-line play. All map files and utilities on this website are for the Halo CE game only. You must own a licensed copy of Halo PC, have the CDROM and the license key in order to install this game.