Cut Halo Online levels
From Halopedia, the Halo wiki
Due to the cancellation of Halo Online, several multiplayer maps and a single-player training scenario were cut from the game. The map data is largely gathered from the files of the MS30 build of the game, wherein map names and descriptions can be found. Some map files have the prefix
This page lists only maps which never made it into a publically-accessible build of Halo Online. For a list of all other Halo Online maps which did make it into the playable builds, see here.
Cold Storage remake
Other multiplayer maps
The following maps are referenced in the MS30 text files, though beyond names no information is provided for these maps. As such, they are listed below. They consist of Halo 3 multiplayer maps, and all use the same map filenames as those used in the original Halo 3 game, indicating they were to be ported without any changes.
Some text strings in the files reference the filenames of several Halo 3: ODST and Halo: Reach Firefight maps. It is unknown if they are simply leftover assets in the engine from those games, or whether Firefight was a planned gamemode intended to be included in Halo Online.
Other Firefight maps
These firefight maps are referenced in the text files by name;