Games like Alpha Space Invasion

Here are some great alternatives to Alpha Space Invasion by abbysadman :
Space Shooter - Galaxy Defense
Space Shooter - Galaxy Defense
★4.7
Galaxy Alien Invaders Classic
Galaxy Alien Invaders Classic
★4.2
Air Force - Alien Invader
Air Force - Alien Invader
★4.6
Space Galaxy: Alien Shooter
Space Galaxy: Alien Shooter
★4.8
Space Quest: Alien Invasion
Space Quest: Alien Invasion
★4.4
WindWings: Space Shooter
WindWings: Space Shooter
★4.8
Infinity Shooter
Infinity Shooter
★4.2
1945 Galaxy Attack Air Force
1945 Galaxy Attack Air Force
★3.6
Event Horizon Space Shooting
Event Horizon Space Shooting
★4.3
Cosmic Combat: UFO Hunter
Cosmic Combat: UFO Hunter
★4.5
Iron Marines 2 - Invasion RTS
Iron Marines 2 - Invasion RTS
★4.4
Galaxiga: Space Arcade Shooter
Galaxiga: Space Arcade Shooter
★4.7
Galaxy War - Air Squad
Galaxy War - Air Squad
★4.6
Space Takeover: Over City
Space Takeover: Over City
★4.0
Alien Shooter: Galaxy Invaders
Alien Shooter: Galaxy Invaders
★4.5
Space Hero: Invasion Shooter
Space Hero: Invasion Shooter
★3.7