press episode 1 to play music and press the next track button to switch to another track. do you hear those beeps and boops? it's the sounds of a real genesis sound chip! not sure how he did that. unless he borrowed it from a Genesis... thanks to @ystijger for the version I modified, and thanks to @chaincut for the original. all I did was change the background a little. and I changed the description, but I don't think that counts. thanks to Sega for all the sonic music, but thanks to @ystijger for the original one, because he re made all the sonic 4 songs in the Sega genesis soundfont. press the up arrow to change the pitch up, and the down arrows to change the pitch down. press space to reset the pitch.
splash hill act 1: moist hill zone (the adventure begins) (not quite green hill or emerald hill or green grove.) splash hill act 2:the same thing but slightly later. and also something happens with aerobics or something in the mobile version. (high speed areobatics) splash hill act 3:the first act again but later in the day as if they didn't already do that in the last act. (sunset dash or something?) casino street act 1: gambling! WOOO! casino street act 2:Just 1000 points! 1000 points and I'll give it all up! in the mobile version. casino street act 3:gambling again! WOOO! lost labyrinth act 1: labyrinth from Sonic 1, is that you? lost labyrinth act 2: something with a mine-cart in the mobile version. lost labyrinth act 3: the water's calling, pick up the phone. mad gear zone act 1: Robotnik's secret base. mad gear zone act 2: escape the cog trap. mad gear zone act 3: impending doom. boss theme 1: legit just the unused one from Sonic 3d blast boss theme 2: mad gear's boss? I think? also the final boss unless you got all the chaos emeralds