Cheats, Secrets, Tips & Tricks

Play as Samus (No Suit) with Bonus Weapons
Enter JUSTIN BAILEY as a password. (You need to fill the remaining characters in the password with dashes.)

Alternate Game
Enter 999999 999999 KKKKKK KKKKKK as a password with no Varia suit and a different ending.

Super Jump
Hold Right on controller two and press A on controller one.

Quit Game Play
Press Start to pause game play. Hold Up + A on controller two to display the current password.

Progress Passwords

Status                           Password  
Slightly Powered in Brinstar     007ltp W20000 025kHa 8A00?Y  

Ridley                           00U--- -u0000 0AFw9Y 1800sb  

Ready for Kraid                  0Gz--- -m3e0G 00VvjS 3m00n?  

Tourian                          M7---- --zOA0 2T-tfm a000d5 atop  

In Suit, End of Game             uVt-Fg boo-W7 9t?lM0 O00Gsi  

No Suit-End of Game-Best Ending  X----- --N?WO dV-Gm9 W01GMI

Play as No Suit with All the 
Arsenal Weapons                  mMuiS1 II6-GE Jls?h0 m00WRM

Weird Code; Freeze, Varia,
No Bombs, Odd Ending             Daniel Daniel Daniel Daniel

Second Quest                     022400 A00000 05?00m 0000aS

Second Quest as Samus
Without Suit                     0WX002 W00004 1VW0C0 0000MO 

Game Genie Codes

The following are known Game Genie Codes for Metroid on Nintendo Entertainment System (NES).

• YAXGVPLA
  Extra energy
• SXSGNVSE
  Minimum energy of 30
• ZENSXLIE
  Gain 10 Missiles on pick-up
• YENSXLIE
  Gain 15 Missiles on pick-up
• SZUILUVK
  Infinite Missiles on pick-up