Halley Wars - Game Gear

Got packs, screens, info?
Halley Wars (Game Gear)
Viewed: 2D Top-down, Vertical scrolling Genre:
Shoot 'Em Up
Arcade origin:No
Publishers: SEGA (DE/ES/FI/FR/GB/IT/NL/SE)
Released: 1991 (DE/ES/FI/FR/GB/IT/NL/SE)

Screens

Halley Wars - Game Gear Screen