agario If you like the look and sound of Agario, you're not alone. The game has gained a lot of popularity since its release. The fun, addictive gameplay keeps you hooked even after a long day. Play it anytime and anywhere and you'll soon see why the game is so popular. Read on for some of the most important things to know about this fun and addictive game. It's sure to make you smile! And it's free to download!