WARNING: Do not click the stage after level 1 has started, it will send you back to lvl. 1. Conditions: You can only play this if you have the following: Brains, limbs, (Arms, Legs, neck). You also must take use of your Brains. ( And your Sonic Skills) be sure to Play 2D Sonic Runner levels 1-4 before playing this. Lvls. 1-4 teach you how to deal with lvl. 5. SOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO HAVE FUN EVERYONE!!!!!!!!!!!!