- Slither. Io is another of the most successful IO games from this factory and is still very much in force after two years since they made their appearance in the world of online games. We have seen famous youtubers facing each other in Slither' s adventure. Io like WillyRex or Fernanfloo himself and now it' s your turn to live your own experience.
You have to give yourself a name and enter one of the servers where other online players are waiting for you and you will have to face them. Make your snake grow by eating the colored balls that are scattered throughout the level and try to kill your opponents to reach the Top 1 of Slither. Io.
One of the .io games that we have selected for you to enjoy playing this wonderful game: Slitherio and it's free!!!