2. In the Flash dropdown, select 'Allow'
3. Refresh the page.
- Open a new tab and go to
- Change Block (default) to Allow in the Flash section
- Reload the page
This game is using Flash! After the 31st of July 2019, your internet browser might start blocking Flash, especially if you use Google Chrome. This means you'll have to activate it to play this game.
Ultimate Robotnik Duel
Fighting with Sonic's enemy Robotnik, choose one of your favorite character and start the battle. You can play with your friend as another player or CPU if you want, but it's still cool no matter what. Have fun!
Player1: W,A,S,D,to move and G to fire.
Player2: Arrow keys to move and M to fire.