Agar.io unblocked is a massively multiplayer online game in which players control a cell in a petri dish and attempt to consume other cells while avoiding being consumed by larger cells. The game can be played in a web browser or on a mobile device. The game is based on the concept of the game Osmos and is similar to the game Slither.io. HOW TO PLAY AGAR.IO UNBLOCKED? Agar.io is a multiplayer game where players control a cell and try to consume smaller cells and pellets to grow larger, while avoiding being consumed by larger cells. The objective is to become the largest cell on the server. Here are the basic controls for the game: Move your cell by using your mouse to steer it. Split your cell by pressing the spacebar. Eject some of your mass by pressing the “W” key. Zoom in and out using the scroll wheel on your mouse. Keep in mind that the larger you are, the slower you move. And also there are different game modes in Agar.io you can try, such as FFA(Free For All) and Teams.