An open source port of Halo: Combat Evolved for Linux, Windows, Android, and the web.
The game’s own code is compiled for each platform, with a new layer in place of the Xbox hardware. It is not an emulator. A macOS port is in progress.
Your own copy
OpenCE does not include the game data. You provide an Xbox disc image of Halo: Combat Evolved. Every version works. The game extracts the maps, then starts.
Multiplayer
Up to 128 players, with four on one screen.
Windows, Linux, Android, and the browser play together.
Peer-to-peer hosting, a server browser, and invite links.
Online campaign co-op.
Voice chat, and Custom Edition maps shared by the other players.
The game
The original Xbox look, with field of view and smooth motion when you want them.
Custom Edition maps in custom_maps, and mods in mods.
SWAT, Infection, Gun Game, and Hardcore.
Release builds for Linux, Windows, Android, and the web. The game can update itself.