1P: Enable AI, AI 0 = 2P AI 1 = AI Knuckles AI 2 = AI Sonic AI 3 = AI both (NOT ideal as it would take a long time for them to actually fight) 2P: Sonic: Left or right arrow keys to move Down to regenerate Up to kick Space to jump M to spindash N to dash B on the ground to turnkick In the air to do a homing attack Knuckles: A or D to move S to deflect Sonic back W to punch Q to jump E to spindash R to Knuckles will enter the ground and then jump out. F to target sonic and hammer him
Credits in new stuff