Eight years after Super Metroid, Samus Aran returned in 2002 in a game that turned her into something close to a Metroid herself. In Metroid Fusion, Samus is infected by the X Parasite, a shapeshifting organism, and survives only thanks to a vaccine made from Metroid cells. That cure changes her suit and lets her absorb the X, but it also leaves her vulnerable to cold.
The setting is the Biologic Space Labs research station, divided into sectors with different environments, and Samus takes orders from a ship's computer she nicknames Adam. Fusion is more directed than earlier entries, with navigation rooms pointing toward objectives, but it compensates with tension: the SA-X, a parasite copy of Samus at full power, stalks the station and forces you to hide or run. Nintendo's R&D1 made it the same year Metroid Prime launched on GameCube, and the two could be linked to unlock extras.
Tips for Metroid Fusion
Absorb the floating X left behind by defeated enemies; they restore energy and missiles.
When the SA-X appears, do not try to fight it; get out of sight or run until the encounter ends.
Bosses often drop a core X that grants a new ability, so look for upgrades after every major fight.
How to Play Metroid Fusion
Click Play Now to launch Metroid Fusion directly in your browser — no downloads or plugins needed. Z jumps, X fires, holding S (R) arms missiles, and A (L) aims diagonally. Enter opens the map and status screen. You can also connect a USB or Bluetooth gamepad for a more authentic feel.
Save states let you save your progress at any point. Create a free account to sync saves across devices. Press F11 for fullscreen mode.
Playing Metroid Fusion is easy: press "Play Now" above and the game starts right in your browser window. Our emulator handles everything — no extra software needed.
Is Metroid Fusion free to play?
Metroid Fusion is free to play here on RetroVault.GG. We believe classic games should be accessible to everyone, so there's no cost to jump in.
What console is Metroid Fusion for?
Metroid Fusion is a Game Boy Advance title. Our browser-based emulator lets you experience it exactly as it was on the original hardware — no console required.
What genre is Metroid Fusion?
Metroid Fusion is a action, adventure, platformer game. It was made for the Game Boy Advance.
Can I play Metroid Fusion on my phone?
You can play Metroid Fusion on any mobile device with a modern browser. The game adapts to your screen size with on-screen touch controls.