Games like Star Swift Defender

Here are some great alternatives to Star Swift Defender by Polgram: Retro Pixel :
Galaxy Invader Space Shooter
Galaxy Invader Space Shooter
★0.0
Cosmic Combat: UFO Hunter
Cosmic Combat: UFO Hunter
★4.5
Space Defender Xtreme
Space Defender Xtreme
★3.7
Galaxy Invader: Alien Shooting
Galaxy Invader: Alien Shooting
★4.7
Retro Space War: Shooter Game
Retro Space War: Shooter Game
★4.5
Invaders - Classic Shooter
Invaders - Classic Shooter
★4.0
Outer Space Alien Invaders
Outer Space Alien Invaders
★3.5
Space Invaders3D
Space Invaders3D
★4.7
Space Shooter - Galaxy Defense
Space Shooter - Galaxy Defense
★4.7
Pixel Galaxy Shooter
Pixel Galaxy Shooter
★3.4
Galga Space Alien Invaders
Galga Space Alien Invaders
★5.0
Galactic Space Shooter Epic
Galactic Space Shooter Epic
★4.2
Galaxy Invaders: Space Shooter
Galaxy Invaders: Space Shooter
★4.2
Galaxy Storm - Retro Invader
Galaxy Storm - Retro Invader
★3.7
Battlespace Retro: arcade game
Battlespace Retro: arcade game
★4.1
Vector Invaders: Space Shooter
Vector Invaders: Space Shooter
★4.4