Plot: Chronicles of Mystery: The Tree of Life is the second game in the series of adventure games for PC. The game was developed and published by City Interactive in 2009. Wikipedia
Plot: Alien Rage is a 2013 first-person shooter video game for Microsoft Windows, Xbox 360, and PlayStation 3. Alien Rage was developed by Polish developer CI Games, then known as City Interactive, using Unreal Engine 3. The game has single-player and competitive multiplayer modes. Wikipedia
Plot: SAS: Secure Tomorrow is a tactical first-person shooter video game for Microsoft Windows, developed and published by Polish company City Interactive in 2008. The game utilizes Jupiter EX engine. Wikipedia