Sonic the Hedgehog 2
Your own Sonic the Hedgehog 2 ROM (1,048,576 bytes). Rev B from the Sonic Classics compilation, sha1 2af1003247aec262089c8df22d05e80d04a1b5e4, is the one tested; REV01, sha1 8bca5dcef1af3e00098666fd892dc1c2a76333f9, is also recognised. Nothing is uploaded.
Files are read on this device. They are never uploaded.
Keyboard and mouse recommended.
The game downloads only after you press Play. Sound starts off.
Controls
| Arrow keys | move |
| Z / X / C | A / B / C (any jumps) |
| Enter | Start |
| Gamepad | standard mapping |
Sonic 2 has no battery save, and this page keeps nothing in browser storage — your ROM is asked for again after a reload. Save inside the game before exporting a backup. Clearing browser data can erase progress.