Metroid: Wart's Invasion
Original title: Metroid
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Release Year: 2006
Players: 1
Hacked by: AlexAR
Version: 1.0
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Wart is Back! The evil king has escaped from Super Mario's unconscious and invaded the Mushroom Kingdom. Wart has kidnapped Mario and rendered the kingdom defenseless. Princess Peach has sent for Samus in a last-chance hope that she may be able to defeat Wart and save the land. As Samus, you must traverse the many obstacles and dangers that Wart has set up through out the 5 areas as well as collect Mario's super powers to help you on your journey.

http://www.romhacking.net/hacks/137/