Multiple levels of playing as sonic in the Mario universe against Mario's enemies. Crush them all! Play Sonic In Mario World online at friv1000000000.net. You can play it in fullscreen to have fun with it. Sonic In Mario World is a great Friv 1000000000 game to play with no cost.

Use Arrow Left And Arrow Right button to Move, Use A button to Jump, Use S button to Run,

sonic..