Read the controls below, then open the game website.
QUICK CONTROLS
- Start the game from the page to load the Sega Genesis hack in the browser.
- Use the settings to adjust music, zone graphics, and character abilities before playing.
- Run and jump through the side-scrolling zones as Sonic or Knuckles to reach each goal.
PLAYING HERE
This game opens on its creator or browser-port website.
Full playing guide ↓THE GAME
About Sonic Romhacks
This fan-made hack combines Sonic the Hedgehog 3, Sonic & Knuckles, Sonic 3 & Knuckles, and Blue Sphere into one package. It adds settings to change zone music, graphics, and abilities drawn from other Sonic games before you play.
How to play
- Start the game from the page to load the Sega Genesis hack in the browser.
- Use the settings to adjust music, zone graphics, and character abilities before playing.
- Run and jump through the side-scrolling zones as Sonic or Knuckles to reach each goal.
Start the game from the page to load the Sega Genesis hack in the browser. Use the settings to adjust music, zone graphics, and character abilities before playing. Run and jump through the side-scrolling zones as Sonic or Knuckles to reach each goal.
Versions & related titles
Choose another browser version or a title from this collection. These links open the named project pages.
- Sonic Romhacks · 1 ↗www.retrogames.onl/2020/05/sonic-3-complete-sega.html
- Sonic Romhacks · 2 ↗www.retrogames.onl/2021/10/sonic-classic-heroes-sega.html
- Sonic Romhacks · 3 ↗www.retrogames.onl/2020/03/sonic-megamix-sega-cd.html
- Sonic Romhacks · 4 ↗www.retrogames.onl/2017/04/sonic-3d-blast-sega.html
- Sonic Romhacks · 5 ↗www.retrogames.onl/2018/09/sonic-2-xl-sega.html
- Sonic Romhacks · 6 ↗www.retrogames.onl/p/play-sega-genesis-games-online.html
Provided by Sega and fan hackers (1991 onward) · Browser version / host: RetroGames.onl. Licence / source Game collection / project ↗
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