_ZX-Galaxians_ is as can be expected a variant of the arcade game Galaxian.
It’s a fixed screen shooter where the player move his spacecraft down the
bottom of the screen and has to shoot at the aliens moving back and forth
above him. Aliens will at time leave their formation and swoop down towards
the player try to collide with him or hit him with bombs. Aliens in formation
are worth ten points while attacking aliens are worth twenty. When all three
lives have been lost the game ends and the player gets to enter his name for a