Metroid 99
Original title: Metroid
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Release Year: 2009
Players: 1
Hacked by: Maximum Potion
Version: 1.0
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Remember playing Metroid on your NES and putting in your password only to start playing with 6 empty energy tanks and 30 energy? This hack starts you off with your tanks FULL and at 99 energy!!

Additional credits go to KZK.

http://www.romhacking.net/hacks/504/