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Play Sonic & Knuckles + Sonic The Hedgehog 2 (World edition · Revision Beta 1994-05-24) Online
Sonic & Knuckles + Sonic The Hedgehog 2
Play Sonic & Knuckles + Sonic The Hedgehog 2 online on Mega Drive. Run and jump through platform stages, avoid hazards, collect useful items, and learn each enemy pattern directly in your browser.
Browser play

Sega Genesis / Mega Drive — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B / C | S / X / Z |
| X / Y / Z | Q / A / E |
| START / MODE | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Sonic & Knuckles + Sonic The Hedgehog 2
Quick start
Guide Knuckles through Sonic the Hedgehog 2’s acts. Use his glide to cross gaps and attach to walls, then climb to alternate routes. Preserve rings as your hit buffer, break monitors for power-ups, and defeat Robotnik’s machines.
Controls
D-pad: Move, look up, crouch, and climb while attached to a wall. A/B/C: Jump or spin attack. Hold an action button after jumping to glide; touch a suitable wall to cling, then press Up/Down to climb. Hold Down and tap an action button to charge a Spin Dash. Start: Pause.
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · segaMD
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.