From Halopedia, the Halo Wiki
The H2 Challenge is a Multiplayer game mode in Halo 2. H2 Challenge is a ranked game mode with a minimum of six players, and a maximum of eight players. It is not a team mode, and cannot be played in a party.
Game Types and Maps
- Rumble Slayer - Beaver Creek, Desolation, Elongation, Lockout, Midship, Sanctuary
- Slayer BR - Ascension, Desolation, Sanctuary, Terminal, Tombstone, Turf, Warlock
- Rumble Snipers - Ascension, Burial Mounds, Colossus, Tombstone