1987 · Shooter · Arcade · DOS · Commodore C64/128/MAX · Amiga · Amstrad CPC · ZX Spectrum · MSX · Nintendo 3DS · Arcade · Atari ST/STE · Sega Master System/Mark III · TurboGrafx-16/PC Engine · Sharp X68000
A helicopter shoot-'em-up developed by Sega. The Arcade version made use of Sega's 3D super scaler technology to create city environments where the buildings would appear to have depth. The subsequent home versions sadly lacked this feature.