Category: Arcade Game: Action
Machine: ZX81 1K
Date: 1984/Jun
Original Publisher: Magazine Sinclair User - type-in from issue #27 - 1984/Jun
Machine: ZX81 16K
Date: 1985
Original Publisher: Magazine Sinclair User - type-in from issue 1985 special "Annual 1985"
Category: Arcade Game: Shoot-em-up