Fortnite is so popular among io games. At first, the aim was to survive a wave of monsters. Then, the game got huge popularity and it was turned into a battle royale game. In the prior version of this game, players needed to collect items, craft weapons, create buildings and eliminate the attacking monsters. In other words, it was a cooperative survival game. The new version of Fortnite is called battle royale. Maximum 100 players play online. Players don’t have anything at first. They need to find everything that they need during the game. Fortnite is one of the unblocked io games. Have fun!