Mars City Security (a Doom3 Coop Mod)

Taking Doom³ PVE (Coop) and PVP (Deathmatch) multiplayer combat to the next level and beyond...

D3 MCS: Mars City Security is a Doom3 Modification that puts heavy emphasis on cooperative and adversarial multiplayer, merging the fast and addictive gameplay of the predecessors (Doom1 & Doom2) with the enhanced Doom3 technology (optimized netcode, improved idtech4 unified rendering).

The "Campaign" PVE (Coop) gametype lets players play through default & custom created campaign missions with up to 4 players cooperatively. Experience community made custom maps with your friends that tell stories never before experienced in the Doom³ universe...

The "DemonWars" PVE (Coop) gametype throws players right into the epic battle that broke out throughout the entire solar system after Hell has been unleashed. Fight as a human with up to 4 players cooperatively against the hordes of hell trying to make a last stand for mankind.

The PVP (Deathmatch) gametypes let up to 8 players fight it out on a variety of arenas for the ultimate player versus player domination in "team" and "free for all" adversarial multiplayer.

Mars City Security (taking a Doom3 Multiplayer to the next level)