Grmagazin Space Invaders v3 GRMagazin Space Invaders - 4 Retro Modes Edition GRmagazin Space Invaders 4-in-1 M1: 1978 M2: V2 Free M3: Levels M4: AI Overlord SOUND [M] CRT [C] BG [B] [P] FIRE (SPACE / X)