Loading Metroid: Zero Mission...

WASD or D-Pad
K A   J B   Q L   E R
Enter Start   RShift Select
F5 Save   F7 Slot   F9 Load   Double-click canvas for fullscreen

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About Metroid: Zero Mission

Play Metroid Zero Mission online. A remake of the original NES Metroid with updated graphics and gameplay. Explore Planet Zebes, collect power-ups, and defeat Mother Brain.

Genre: Action · 2004 · Nintendo

Play Metroid: Zero Mission Online — Free GBA Emulator

Play Metroid: Zero Mission Online is a free browser-based GBA emulator experience on EggerMath. No download, no signup — click Play and the game loads via mGBA WebAssembly at 240×160, pixel-perfect. Use WASD or Arrow Keys for D-Pad, K for A, J for B, Q/L and E/R for shoulders (GBA), Enter for Start, Right Shift for Select. Save instantly with F5 (10 slots, F7 to switch) and load with F9; progress is cached in IndexedDB so you can resume offline after the first load. Metroid: Zero Mission is a Action title from 2004 by Nintendo, part of the Metroid series, playable here with touch controls on iOS/Android and save states that persist in your browser.

Reviewed by EggerMath Team · mGBA WASM verified · About · Updated 2026

FAQ — Metroid: Zero Mission

How to play Metroid: Zero Mission on iPhone?

Open this page on Safari, tap to start. Touch controls appear automatically. Save via Save button — works offline after first load.

Is Metroid: Zero Mission free?

Yes, free on EggerMath via browser mGBA emulator. No download, no signup.

Can I save progress?

Click Save (F5) and Load (F9). 10 slots via Slot button / F7. Stored in browser.

What are the controls?

D-Pad: WASD/Arrows, A: K, B: J, L: Q, R: E, Start: Enter, Select: Right Shift. Mobile: touch controls.