Mars City Security

Co-Op Features in the PC Version
Popularity #7835
This game requires you own: DOOM 3

Core Features

Local Co-Op
Not Supported
Online Co-Op
4 Players
Combo Co-Op (Local + Online)
Not Supported
LAN Play or System Link
Not Supported

Co-Op Extras

  • Downloadable Only
  • Co-Op Campaign
  • Co-Op Specific Content

The Co-Op Experience

Mars City Security allows up to 4 players to play through the game's default campaign mode, community maps, and a horde mode.


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

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This page contains co-op info for Mars City Security on the PC. All information about Mars City Security was correct at the time of posting. Information is subject to change. If you see any errors please email us.