You can't call yourself an io games master if you haven't played Sonic io. Join online battle for the first place on the leaderboard
How to Play
The main goal is to become the strongest player and survive for as long as possible. Also you can complete some ongoing quest in Sonic io to receive extra XP points.
Sonic io can be played solo, with friends or with online players all over the world. Unlocked and fully accessible version without lags. The game is added about 27 days ago and so far 2.1k people had played, liked 179 times and disliked 37 times. The overall rating of Sonic io is 7.7. If you liked this game try also Sudoku Online and Spaceblaster io.