In Sonic 3 & Knuckles, Sonic and Tails continue to thwart the plans of Dr. Robotnik, this time on the Floating Island that is guarded by Knuckles the Echidna.

In this run, Tuffcracker attempts to beat the game using Knuckles, without pressing the left or right directional buttons, only relying on spin dashes and Knuckles' wall climbing to navigate through the game.