Category: Arcade Game: Action
Machine: ZX81 16K
Date: 1985/Feb/12
Original Publisher: Magazine Home Computing Weekly - type-in from issue #99 - 1985/Feb/12 special "week#2"
Date: 1985/Apr/02
Original Publisher: Magazine Home Computing Weekly - type-in from issue #106 - 1985/Apr/2 special "week#1"
Machine: ZX-Spectrum 48K
Date: 1989/Aug
Original Publisher: Magazine Crash - within covertape "Crash issue 67: Presents 3"