Use the Up Arrow, Z, A or Space to Jump and the Down Arrow to Crouch. Sonic will run automatically as obstacles (just spikes and "downboards" at the moment) are in his path. See what you get for your highest score!
Credits to: - SEGA and Aspect for the Green Hills Zone Music from Sonic The Hedgehog 2 8-Bit [Sega Mega System and Game Gear] - SEGA for the Sonic 2 Sonic, Spikes Sprites and Emerald Hill Zone Chunk Sprites - Thanks to the Spriter's Resource for providing the Sprites - Thanks to zophar.net for providing the GHZ Sonic 2 8-Bit Music - Thanks to the Sounds Resource for providing the Sonic Jumping and Spinning sound effects - "Downboard" sprites by me (There's a bug that makes the jump sound not play, so be aware of that if you care, however crouching fixing it so yeah) UUDDLRLR