Games like Astral Defense

Here are some great alternatives to Astral Defense by Pixel Pajama Studios :
Astral Light
Astral Light
★4.5
Tower Defense King
Tower Defense King
★4.3
Sky Wings: Pixel Fighter 3D
Sky Wings: Pixel Fighter 3D
★4.4
Sky Wings VIP : Pixel Fighters
Sky Wings VIP : Pixel Fighters
★4.3
Tap Force
Tap Force
★4.6
Pixel Battle: War
Pixel Battle: War
★3.9
Arcadium - Space Shooter
Arcadium - Space Shooter
★4.8
Pixel Danger Zone:Battleroyale
Pixel Danger Zone:Battleroyale
★4.3
Demon Hunter Idle
Demon Hunter Idle
★4.3
Galaga Wars
Galaga Wars
★3.8
Cold Space - 3D Shoot 'em up
Cold Space - 3D Shoot 'em up
★3.9
War of Pixels: Army Clash
War of Pixels: Army Clash
★4.3
John Mambo: Retro Arcade
John Mambo: Retro Arcade
★4.0
Pixel Bandits: Retro Slayer
Pixel Bandits: Retro Slayer
★4.9
Shadow Gun: Epic Shooting War
Shadow Gun: Epic Shooting War
★4.5
Realms of Pixel
Realms of Pixel
★4.4