Fantasy Zone Game System: NEC Turbo Grafx 16 Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Fantasy Zone ============ Invincibility: Pause game play, then press II, I, I, Up three times, Down four times, Right five times, Left six times. Note: This must be repeated for each level. For the Japanese version of the game, press I, II, II, Up three times, Down four times, Right five times, Left six times.