Released: Aug 1986
This page contains cheats, hints, Easter eggs, secrets, and tips for Metroid. We will continually update this page when we come across more useful cheats and tips.
To unlock Suitless Samus, beat the game and under 2 hours, then select "Continue" and on the password screen, just press Start without changing anything.
You can use doors to glitch yourself up walls. To do this, open a door, then sand in the middle of where the door will close. After the door closes on you, press Up and Down on the D-pad and Samus will be able to glitch up the wall. Be careful when doing this because you can become permanently stuck in the wall.
On the title screen, go to "Continue" and enter these passwords on the password screen.
|Start with Ice Beam||000000 000000 080000 0000Y8|
|Start with Long Beam||000000 000000 100000 000004|
|Start with Wave Beam||000000 000000 040000 0000X8|
|Start with 255 missiles||000000 000000 0Fy000 00003|
|Star with 255 missiles, no energy tanks||000000 000000 03-200 000089|
|Start with Bombs and Maru Mari (Morph ball)||000000 000000 4G0000 00000H|
|Start with infinite energy (health), missiles, and all power-ups||NARPAS SWORD0 000000 000000|
|Start with 215 missiles, 5 energy tanks, all powerups, both mini-bosses dead||X-z-uJ lls0W0 fVvweG 000WNr|
|Start as suitless Samus with no items||000000 000020 000000 000020|
|Start as suitless Samus with all weapons||mMuiS1 II6-GE Jls?h0 m00WRM|
|Start at Tourian, all power-ups, 2nd ending||V----- -r-e69 t?A00e 00M04p|
|Start at Tourian, all power-ups, 4th ending||OV---- --r-e6 9t?A08 000GTq|
|Start at Tourian, all power-ups, 5th ending||7----- -zVw1Y T-YW01 -W5WCl|
|Start at Tourian, all power-ups, Best ending||5X---- ---N?W OdVue0 0000iu|
These are all the different types of endings in Metroid and what is required to obtain them.
|Unlockable Ending||How to Unlock|
|Worst Ending - Suited Samus looking away||Beat the game in 10 or more hours as Suited Samus or 5 or more hours as Suitless Samus|
|Bad Ending - Suited Samus facing you||Beat the game in 5-10 hours as Suited Samus|
|Fair Ending - Samus with her helmet off||Beat the game in 3-5 hours|
|Good Ending - Suitless Unlock - Suitless Samus (Leotard)||Beat the game in less than 3 hours|
|Best Ending - Suitless Samus (Bikini)||Beat the game in less than 1 hour as Suitless Samus|
The following cheat codes are for Game Genie. These can be used on a Nintendo Entertainment System (NES) with a Game Genie device or you can use these on any emulator that supports Game Genie Codes. If you want a Game Genie Device, you can always check on Amazon for one.
|Cheat Effect||Cheat Code|
|Start With 70 Energy instead of 30||YAXGVPLA|
|Infinite Energy (health)||SXSGNVSE|
|Gain 10 Missiles instead of 5||ZENSXLIE|
|Gain 15 Missiles instead of 5||YENSXLIE|
|Infinite Missiles (must first get them)||SZUILUVK|