Sonic.io is a free game online unblocked for everyone to join and play in the same arena. There are already plenty of action-packed IO games to master, but with this one – Sonic.io online game, you will not only experience awesome challenges but you also earn yourself a huge amount of fun. Isn’t it better to test your skills through challenges like this? You will face off against lots of enemies while trying to gather the rings around the arena for boosting your score. There are plenty of projectiles coming towards you, you’d better avoid them as fast as possible, or else you will take damage, and you may face your doom after that. Each enemy here will do something and try their best to survive, so do you! Do whatever it takes to work your way up to the top spot on the leaderboard where you will become the most dangerous player.
How to play
Use the mouse for the movement, click the left mouse to sprint.