Space Invaders (Realtime Software) for the ZX81

https://www.youtube.com/watch?v=XbNInTQo0Rk

#SpaceInvaders #ZX81 #Action #FixedScreenShooter #FixedScreenShootemup #FixedScreenShmup #Shooter #Shootemup #Shmup #SpaceInvadersClone #SpaceInvadersVariant #SpaceInvadersRipoff #RealtimeSoftware