1 · Add your game
Use your own dumps of games you own. .chd is the best format
(single, compressed file). For .cue + .bin sets, select all
files together — they are bundled into one archive automatically. Multi-disc sets can be
supplied as a .m3u plus its discs (select together).
2 · Controls — desktop
| D-Pad | Arrow keys |
| ✕ Cross | Z |
| ○ Circle | X |
| □ Square | A |
| △ Triangle | S |
| L1 / R1 | Q / E |
| L2 / R2 | Tab / R |
| Start / Select | Enter / V |
Gamepads are detected automatically. Re-map anything under
Controller Settings in the emulator menu (including Player 2).
2 · Controls — mobile
On-screen controls appear automatically: D-Pad (or analog stick), face buttons and
shoulder buttons. Rotate to landscape for the best view, use the
emulator's fullscreen button, and pair a Bluetooth controller for a
console-like feel. Left-handed layouts and button sizes can be changed under the
on-screen settings.
3 · Saves
In-game memory-card saves and save states are stored in your browser and
restored next time you play the same game. Use the emulator menu for save states,
fast-forward, shaders and cheats.
BIOS (optional)
No BIOS is required — the core uses its built-in HLE BIOS. If a specific game needs the
real thing, add your own scph1001/101/5500/5501/5502.bin with the button
above (only add BIOS files from your own console).
Troubleshooting
A game that boots to a black screen is usually a bad dump or an unsupported format —
try re-ripping as .chd. Very large games (> 700 MB) may hit
browser memory limits. If your browser evicts site storage, re-add the game (enable the
storage permission prompt when offered).