Games like Zap Attack!

Here are some great alternatives to Zap Attack! by Alex Myers :
Alien Flying UFO Space Ship
Alien Flying UFO Space Ship
★3.2
Galaxy Attack: Shooting Game
Galaxy Attack: Shooting Game
★4.7
Alien Creeps TD
Alien Creeps TD
★4.4
U.F.O. Invasion
U.F.O. Invasion
★4.4
UFO Grandizer
UFO Grandizer
★4.8
[VIP]UFO DUDE RPG : idle wars
[VIP]UFO DUDE RPG : idle wars
★4.3
UFO RPG : idle wars
UFO RPG : idle wars
★4.8
Cosmic Combat: UFO Hunter
Cosmic Combat: UFO Hunter
★4.1
Universe Invader: Alien Attack
Universe Invader: Alien Attack
★4.8
Space Bombardiers (2D/3D)
Space Bombardiers (2D/3D)
★4.9
Galaxy Attack Survival Games
Galaxy Attack Survival Games
★4.0
Blaster Squash Rapid Fire
Blaster Squash Rapid Fire
★3.3
Galaxy Attack - Space Shooter
Galaxy Attack - Space Shooter
★4.7
Galaxy Attack: Space Battle
Galaxy Attack: Space Battle
★3.3
Cosmic Hero (Space Shooter)
Cosmic Hero (Space Shooter)
★3.8
Star Gems
Star Gems
★4.3