Super Metroid — snesrev/sm, compiled to WebAssembly

This page runs a C reimplementation of Super Metroid. It needs the game data from your own cartridge dump, which stays in this tab: it is read with FileReader, kept in memory and never sent anywhere.

Choose your Super Metroid ROM

Expected SHA-1 da957f0d63d14cb441d215462904c4fa8519c613 (3 145 728 bytes, Japan/USA).

Keyboard

Arrows — move

A — jump (SNES A)

Z — dash (SNES B)

S — shoot (SNES X)

X — item cancel (SNES Y)

C / V — aim (L / R)

Enter — start

Right Shift — select

Status

waiting for a ROM

Audio is off by default and untested; add ?audio=1 to the URL to enable it at your own risk. Your battery save lives in this browser's IndexedDB under this origin — clearing site data erases it.