Sonic & Knuckles Offline Genesis Game Chrome Extension
Install, pin and open it — 3 steps, about a minute.
PastPlay offline game
Sonic & Knuckles Offline Genesis Game is ready to play
Installation is complete. Launch the packaged original Genesis game from a compact game-first popup, with no account or network required for gameplay.
Offline-ready · No account · Focused popup play
Quick start
Start playing in three steps
Pin the extension
Open Chrome’s Extensions menu and pin Sonic & Knuckles Offline Genesis Game so it stays easy to reach.
Open the game
Select the toolbar icon. Play the packaged Sonic & Knuckles World ROM as the default and dominant experience.
Check the controls
Use arrows to move, S X Z for Genesis A B C, Enter for Start, and V for Mode. Use the compact speaker control to adjust game volume. Restart reloads the current session.
Two ways to play
Original first, quick mode second
Play the packaged Sonic & Knuckles World ROM as the default and dominant experience.
Switch to Emerald Rush for a short local running challenge with rings, emeralds, and hazards.
Want more retro games?
Prefer playing in a browser tab? Open the official PastPlay game page.
Inside the extension
Gameplay preview
If the game does not respond
- Click once inside the game area before using the keyboard.
- Open Guide and confirm the controls for this game.
- Select Restart to begin a fresh game session.
Privacy details are available in the PastPlay Offline Game Extensions Privacy Policy.
Extension removed
Thanks for playing Sonic & Knuckles Offline Genesis Game
The extension has been removed from Chrome. It requires no account and does not keep personal data after removal.