Sonic.io Add Time
Sonic.io is an online game that you can play on 4J.Com for free. Sonic.io is not only an IO multiplayer but also an arcade game on 2D game platform. You are managed to control your own sonic to collect gold rings as more as you can. At the same time, you need to avoid obstacles and dodge danger while collecting. When you get enough stars, you will unlock more skins of sonic. Good luck and have fun Sonic.io!
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