HomeGamesArcadeSpace DefendersGames like Space Defenders Here are some great alternatives to Space Defenders by Digital Conceptions : Space Cadet Defender Invaders ★4.5 Cosmic Hero (Space Shooter) ★3.8 Space Swift: The Sky Defender ★4.3 Monster Shooter: Space Invader ★4.4 Invaders from outer space ★4.1 Galaxy Invaders: Space Shooter ★4.3 Classic Phoenix ★4.1 Space Defender Xtreme ★3.8 Invaders Mars Defender ★4.6 Grid Defender ★3.5 Alien Swarm ★4.2 Invaders Deluxe ★4.1 Galaxy Storm - Retro Invader ★3.6 Galaxy Attack: Shooting Game ★4.7 Sea Invaders - Alien shooter ★4.4 Invaders from space ★3.7