Zombies Game System: Super Nintendo Cheat Category: Level codes Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Zombies ======= Level 5: RHRK Level 9: TBGY Level 13: XFCK Level 17: BKYZ Level 21: VXBB Level 25: XYLZ Level 29: XLZG Level 33: WJQK Level 37: BZVG Level 41: BRPK Level 45: BLHR Credit level: XWJR Bonus level: BCDF