This will turn you into Hyper Sonic. Contributed By: TheLegend109. 17 12. Sonic & Knuckles Cheats. Codes. Debug mode in Sonic 3 and Knuckles. While playing sonic 3 and knuckles press Left, Left, Left, Right, Right, Right, Up, Up, Up in the mushroom hill zone, while on one of the pully things. (Just like level select in normal Sonic and Knuckles.). Play Super Sonic and Hyper Sonic in Sonic 1 game online in your browser free of charge on Arcade Spot. Super Sonic and Hyper Sonic in Sonic 1 is a high quality game that works in all major modern web browsers. This online game is part of the Arcade, Running, Emulator, and SEGA gaming categories.