How to Play Bigmonsterz IO

Use the mouse to move your monster around the world. Seek out weaker monsters to defeat and grow, while avoiding monsters that are larger and stronger than you.

About Bigmonsterz IO

Start as the weakest creature in a world full of monsters and claw your way to the top. Bigmonsterz IO is a multiplayer io game where you grow stronger by taking down smaller monsters while surviving encounters with bigger ones. The world is vast and the competition is fierce — your goal is to climb the food chain and become the biggest monster on the server.

Bigmonsterz IO is a free Chaos Multiplayer game you can play instantly in your browser — no downloads or installs required. Tagged .io, dragon, monster.