Games like I, AI - Hardcore Shmup

Here are some great alternatives to I, AI - Hardcore Shmup by Satur Entertainment :
Battlespace Retro: arcade game
Battlespace Retro: arcade game
★4.1
Neonverse: Invaders Shoot'EmUp
Neonverse: Invaders Shoot'EmUp
★4.5
HAWK: Airplane Space games
HAWK: Airplane Space games
★4.3
SKY SOLDIERS : Retro Shmup
SKY SOLDIERS : Retro Shmup
★3.3
Shooter Nextbots: Sandbox Mod
Shooter Nextbots: Sandbox Mod
★4.2
Hyper Weapon - Tank Shooter
Hyper Weapon - Tank Shooter
★4.7
Chicken Shooter Classic
Chicken Shooter Classic
★4.3
Blocky Apex Strike Bit Tales
Blocky Apex Strike Bit Tales
★3.2
Sky Force Reloaded
Sky Force Reloaded
★4.3
Space Justice: Galaxy Wars
Space Justice: Galaxy Wars
★4.4
Space Shooter : Star Squadron
Space Shooter : Star Squadron
★4.3
Sky Wings: Pixel Fighter 3D
Sky Wings: Pixel Fighter 3D
★4.4
Space Defender Xtreme
Space Defender Xtreme
★3.7
Arcade Defender
Arcade Defender
★3.9
Metal Soldiers 3
Metal Soldiers 3
★4.5
Battlecruisers
Battlecruisers
★4.3