DOOM 3 | Mars City Security
In this video we are playing a mod called Mars City Security that was released September of last year.
It's a really cool mod that lets you do co-op in most of the campaign, and multiplayer where you can fight monsters, or each other!
Mod Link:
http://www.moddb.com/mods/mars-city-s...
Be sure to watch our video of DOOM 4 coming out Friday the 13th!! (Tomorrow)
Be sure to like and subscribe!!!
Thank you for watching!