Experience Sonic the Hedgehog once more. A classic from the old days. Knuckles knocks Sonic down, and there the game begins. Sonic vs Knuckles is one of the amazing free games in frivtest.com. Try Sonic vs Knuckles and Pick your best Friv game in the awesome long list with no charges.

Use Arrow keys button to Move, Use Shift button to Jump, Use Ctrl button to Wall Jump,

sonic..