DLC required to complete 4 games

• Railroad Corporation
  

  17 hours playtime

  23 of 79 achievements

• Cities: Skylines
  

  46 hours playtime

  67 of 135 achievements

• Terraforming Mars
  

  13 hours playtime

  17 of 40 achievements

• Lil Gator Game
  

  5 hours playtime

  22 of 41 achievements