Games like 2 Player Planet Defender

Here are some great alternatives to 2 Player Planet Defender by Gergely Kapitány :
Space Swift: The Sky Defender
Space Swift: The Sky Defender
★4.2
Stellar! - Infinity defense
Stellar! - Infinity defense
★4.1
Operation: New Earth
Operation: New Earth
★3.9
Invaders from outer space
Invaders from outer space
★4.1
Space Defender Xtreme
Space Defender Xtreme
★3.7
Starscape: Rogue-like Shooter
Starscape: Rogue-like Shooter
★4.4
Galaxy Shooter: Air Force War
Galaxy Shooter: Air Force War
★4.8
Planet Survivors
Planet Survivors
★4.5
Neonverse: Invaders Shoot'EmUp
Neonverse: Invaders Shoot'EmUp
★4.5
Galaxy Invader: Alien Shooting
Galaxy Invader: Alien Shooting
★4.7
Space Wars Spaceship Shooter 3
Space Wars Spaceship Shooter 3
★4.3
Robot Subdolous Ireful Inbreak
Robot Subdolous Ireful Inbreak
★4.7
Stellar Patrol Space Combat Si
Stellar Patrol Space Combat Si
★3.9
Xevion
Xevion
★3.6
Xeno Command
Xeno Command
★3.5
Planet Pi
Planet Pi
★3.8