Multiplayer only 5 games

• Contagion
  

  70 minutes playtime

  0 of 100 achievements

• Just Cause 2: Multiplayer Mod
  

  37 minutes playtime

  0 of 20 achievements

• Rising Storm/Red Orchestra 2 Multiplayer
  

  20 minutes playtime

  1 of 140 achievements

• Don't Starve Together
  

  16 hours playtime

  no achievements

• Nuclear Dawn
  

  48 hours playtime

  34 of 58 achievements