Sonic in Mario World: Flash Game Sonic in Mario World

Content:

In the game Sonic in Mario World, Sonic, the famous hedgehog of Sega, wakes up and takes the decision to go on a trip. While walking, he is taken through a blue hole that bring him into the Mario World. Help Sonic surviving in this hostile world.
 

Controls:

Arrows: Move.
A: Roll.
Z: Attack.