Sonic the Hedgehog 3 & Knuckles cover art

ReimplementationDownload

sonic3air

Brings back Sonic the Hedgehog 3 & Knuckles · By Eukaryot

Get it on GitHub How to play

Plays on your own device, not in a browser tab. Opens github.com in a new tab.

Ways to play

Download
github.com
Get it on GitHub
Release v26.08.15.0-test, Aug 15, 2026 (a pre-release)
How to play
1. Download a build from the project's release page: its files say which systems they run on.
2. The project's page says what it needs from your own copy of Sonic the Hedgehog 3 & Knuckles, if anything.
3. Launch it.

Details

What: A new engine written from scratch that runs the original game's data.
Code: github.com/Eukaryot/sonic3air662 stars on its repositoryLast updated Oct 18, 2026
License: GPL-3.0
Release: v26.03.28.0-stable, Mar 28, 2026

Its game

Brought back
Sonic the Hedgehog 3 & Knuckles
Ways to play it

News

All news

From SubmitGame's list, read Oct 11, 2026, GitHub releases, read Oct 13, 2026, the GitHub API, read Oct 21, 2026 and the GitHub API, read Oct 11, 2026. How to play gives the steps every way of its kind shares: the project's repository or site has the rest.