You can play City Siege 4 Alien Siege free online shooting games at fogames. It has tags: Shooting,2D,Alien,Build,Fighting,Side Scrolling,Soldier,Upgrade,War,Weapon,. It has 6617 total plays and has been rated 97% (136 like and 19 dislike), find the fun and happy day. If you want to play more shooting games, we find some of the game: City Siege, City Siege Sniper, City Siege 3: Jungle Siege Fubar Pack and City Siege 3. To play other games, go to the shooting games page, the 2d games page, or just check out the new games or best games page.