Most of these passwords produce weird effects and there is only one that produces a normal game. 00GG00 1G0000 20dm08 0000nv This code puts you at the start of the game with armorless Samus and all items except Varia, missiles and energy tanks. gunpei yokoi? X11111 XXXXXX This is the password of the man who supervised the making of Metroid. Other than that it’s a pretty normal game. JUSTIN BAILEY ------ 000000 This code puts you in Kraid’s Hideout with 4 energy tanks, all missiles and all other items. Your Ice Beam looks (but does not behave) like the Wave Beam! justin bailey ------ ------ Resets the game to the game to the title screen. XXXXXX XXXXXX KKKKKK KKKKKK This code puts you in Tourian with one energy tank, 48 missiles and no weapons, not even the Maru Mari! You can’t do anything because if you go down you’ll be killed by Metroids and you can’t leave without the Maru Mari. BBBBBB BBBBBB BBBBBB IIIIII Turns the screen black. It won’t return unless you reset the NES. iFzl-z ---mC0 4x--mW G000YS This game puts you in Tourian with 6 energy tanks, 255 missiles and all items. You also get the best ending when you finish. 2mMsl- tV-x0m 2Jl-yQ 0m00p9 This password is the same as the above password except you play as the armorless Samus and you get the "bikini" ending when you finish the game. OV-d-x --zWO0 9p--S0 e00GVo This game puts you in Tourian with all missiles, energy tanks and all items except the Wave Beam and Varia. If you are skilled enough to beat the game without Varia you'll get the best ending. B1RS-- T--y30 9EV-nK 4000gl In this game you play as armorless Samus, start in Tourian and have all items except the Wave Beam and Varia. You get the same ending that you get when you beat the game in under three hours with the armored Samus. 03---- V-ta20 1E-QLa 5000hv This password puts you in Tourian with the armored Samus, 105 missiles and all other items except the Wave Beam. You only have 105 missiles because in this game you haven't beaten Kraid or Ridley yet! If you don't believe me just exit Tourian and go to the room with the statues of Kraid and Ridley. The statues will be in the lowered position because you haven't beaten either mini-boss yet! CBA987 654321 0DQdqr stuvwx This password puts in Ridley's Hideout as armorless Samus and gives you the weird Ice Beam.