Retro-Emulator

Select Console

or load your own ROM

Upload ROM

Select a console and ROM above to start playing.

Mobile controls are built in — just tap the screen.

This emulator uses EmulatorJS to run classic console games entirely in your browser. No server required.

itch.io has many free homebrew ROMs — just download and upload here.
archive.org hosts large ROM collections for preservation and research.
On mobile, download ROMs from itch.io or archive.org, then use the Upload button above.
Only play ROMs you legally own. Many developers offer free demos and homebrew games.