Fightz.io is another epic survival .io game online, which you can enjoy completely for free at Best IO Games! In Fightz.io you will not only compete against enemy players, but also against a huge amounts of wild animals and monsters. The game offers two modes to choose from: Casual and PvP. You cannot kill other players in the Casual mode, only mobs. In the PvP mode there is only a small zone where everyone is safe. There are some harmless animals like rabbits and pigs, as well as extremely dangerous monsters such as dragons! Each killed monsters will drop crystals, collect them to increase your experience points and level. You can also use the crystals to upgrade your weapons and to change your appearance. Move the mouse cursor around the screen to control your character. Left click to shoot, right click to dash. There is an ability to ride objects or monsters in this game, this makes the gameplay even more fun!