Cthul io is an addictive multiplayer io game that 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 21 days ago and so far 2k people had played Cthul io, liked 29 times and disliked 16 times. The overall rating of Cthul io is 5.0. If you liked this game try also Drawbattle io and Tank fury.