About ZombsRoyale.io ZombsRoyale.io is an online multiplayer battle royale game that can be played in your web browser. It's similar in concept to popular battle royale games like Fortnite and PlayerUnknown's Battlegrounds (PUBG). In ZombsRoyale.io, players are dropped onto an island along with many other players, and they must fight to be the last person or team standing. Here are some general game rules for