Great American Sniper is described as 'The Great American Sniper is a first-person 3D shooter game. You will play as a sniper, strike terrorists. Your task is to fight against terrorists bases and destroy Zee City terrorist remnants, to effectively combat terrorist activities'. There are three games similar to Great American Sniper for Windows, Android, Android Tablet, iPad and iPhone. The best alternative is Sniper: Ghost Warrior. It's not free, so if you're looking for a free alternative, you could try Contract Killer.
Sniper: Ghost Warrior is a tactical first-person shooter for Microsoft Windows, Xbox 360 and PlayStation 3 and the second installment of the Sniper series. Represent entire series of Sniper: Ghost Warrior games.