Games like I.F.O!

Here are some great alternatives to I.F.O! by 종합밧데리(Total Battery) :
Galaxy Attack Survival Games
Galaxy Attack Survival Games
★4.0
Retro Space War: Shooter Game
Retro Space War: Shooter Game
★4.5
Fire game 3d - fun gun games
Fire game 3d - fun gun games
★4.3
Mars War Alien Shooter
Mars War Alien Shooter
★3.6
Alien Survivor
Alien Survivor
★3.3
Xeno Alien Shooter: Space Game
Xeno Alien Shooter: Space Game
★4.2
Alien invasion
Alien invasion
★4.8
Alien Hunter: 2D Shooting Game
Alien Hunter: 2D Shooting Game
★4.6
Alien Shooter: Galaxy Invaders
Alien Shooter: Galaxy Invaders
★4.0
Run or Hunt – Action Arcade
Run or Hunt – Action Arcade
★3.5
Pixel Craft 2 : Anger of Goose
Pixel Craft 2 : Anger of Goose
★4.8
Alien Flying UFO Space Ship
Alien Flying UFO Space Ship
★3.2
Galactic Squad: Arcade Shooter
Galactic Squad: Arcade Shooter
★4.7
UFO Stalker
UFO Stalker
★3.3
Predator Alien: Dead Space
Predator Alien: Dead Space
★3.2
Galga Space Alien Invaders
Galga Space Alien Invaders
★5.0