You're Samus Aran, and something has gone terribly wrong. An unknown parasite has infected the entire Biologic Space Research station, and the same organism is now living inside your power suit — fused to your body, stripping away your abilities, and forcing you to hunt down increasingly dangerous versions of your own stolen powers. Metroid Fusion is a 2D action-platformer where you explore a sprawling, interconnected space station, blast through alien creatures, and absorb upgrades to push deeper into areas that were locked off moments before. You scan for navigation points, solve environmental puzzles, and manage a creping sense of dread as the SA-X — a perfect clone of your former self — stalks the same corridors you're trying to survive. If tense, atmospheric exploration where every new room might be your last sounds like your thing, this one's hard to put down.
How to Play & Controls
- Arrow Keys / WASD — move Samus left, right, and crouch
- Z / X — jump and fire your arm cannon
- Down Arrow + Jump — drop through certain platforms
- Enter / Start — open the map and menu
Tips & Tricks
- When you hear the SA-X nearby, stop shooting — it will hunt you down by sound and power signature.
- Sequence-break early rooms by wall-jumping to grab upgrades before the game officially sends you there.
- Always check the ceiling in dead-end corridors; most hidden expansion tanks are one missile blast above your head.
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Metroid Fusion Unblocked is available to play for free on X-Games 6969.