Experience Sonic the Hedgehog once more. A classic from the old days. Knuckles knocks Sonic down, and there the game begins. Welcome to play Sonic vs Knuckles game for free in fsiv.com. Sonic vs Knuckles is a wonderful game from our great collection of Fsiv games which are updated everytime.

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

sonic..