There are many different types of online multiplayer games. From mobile apps to web browser options, free online multiplayer games exist across IoT devices. *Friend’s Pass requires installation of the Friend’s Pass and applicable platform account. Online play requires a friend on the same platform. One user must own the full game in order for the co-op player to play the full game. This ever famous video game, so popular because it’s in first-person shooter mode has now become a free multiplayer game available on both the IOS and Android app stores. If you are a gamer, this one’s for you. Maybe the only relatively difficult game to learn is Backgammon. Backgammon has a fair amount of rules to it, and new players can get confused sometimes. Not to worry though, we have an entire beginner’s guide to Backgammon on our Coolmath Games blog. If you ever want to learn Backgammon in a clear and easy way, we highly recommend Lily that you check it out.