Mazogs is a maze video game developed by Don Priestley and published for the ZX81 by Bug-Byte in 1982. It was subsequently licensed by Softsync and published in the US for the Time...
Blow up as many boxes as you can before the guard sees you. Or play as the guard and try to find the saboteur.
Spawn Of Evil is a ZX spectrum game released in 1983 on tape. There are two parts of the game : First the search of aliens to destroy on a map and then a first person view shooter.