Agario is a popular unblocked game and also it is easy to play. There are many lovers of this great game. If you ready to play, here are the rules: You control a blob and try to it pleps and smaller blobs around you. However, you can’t eat those bigger than you. Keep away from big blobs as they can attack you. Besides, watch out green blobs as they are viruses. If you touch one of them, your blob will explode and split into several pieces. However, you can hide inside a virus if your blob is smaller than it. If you like unblocked io games, you should try agar io.