Sonic must defeat doctor Robotnik yet again. Dr. Robotnik's Death Egg has been scrambled by Sonic's mighty bomb blast, but once he finds the Master Emerald, he'll be back on his course of doom and destruction.
Sonic must defeat doctor Robotnik yet again. This time, Robotnik wants the Master Emerald, the biggest and most powerful of all the Chaos Emeralds. With this emerald, the Death Egg, Robotnik's ultimate weapon will have limitless power and nothing can stop him from taking over the world. It's up to Sonic to stop Robotnik's plans, but he's not the only one. Knuckles, guardian of the Floating Island and the Chaos Emeralds tries to stop him as well.
Play in 8 new zones in two different adventures. Get as many rings as you can, get all the emeralds and defeat enemies. You can combine this game with Sonic 3 to play the game as it was meant to be played. When combined with Sonic 2 you can play it with Knuckles for a new game experience.
Previous Versions
Here you can find the changelog of Sonic and Knuckles since it was posted on our website on 2010-07-13 00:17:34.
The latest version is 1.0 and it was updated on 2026-06-14 06:19:10. See below the changes in each version.
Sonic and Knuckles version 1.0
Updated At: 2006-08-18
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