Diep.io is described as «Game similar to agar.io where you are a tank and try to gain mass to buy upgrades» and is a Absorb Game in the games category. There are more than 50 games similar to Diep.io for a variety of platforms, including Online / Web-based, Android, iPhone, Android Tablet and iPad. The best alternative is Agar.io, which is free. Other Diep.io like games are Spore, Slither.io, Thrive and Osmos.Diep.io alternatives are mainly Absorb Games but may also be Adventure Games or MMORPG Games. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Diep.io.