"diep.io" is a transfer of popular genre of tank battles to "io" games. The game gained sympathy of millions of players around the globe owing to its diverse mechanic. In the beginning you have to upgrade your level by hitting various targets each of those gives a different portion of experience. Each portion will allow to increase your experience and to pass on the next level: Tank-shoots from one gun, Twin-in one go allows you to shoot from two guns aiming to one direction, Sniper-shoots slower but bullets fly to longer distance and causes serious damage, Machine gun-shoots a number of bullets at a high speed but causes less damage, Flank Guard-shoots in various directions maximum from 8 guns. Such a variety of classes will make you log in the game again and again.
Move your tank by WASD, destroy your opponents and upgrade your levels by pressing left mouse button.