One of the latest greatest hits in terms of casual mobile games is definitely Agar.io. You can play online and your goal will be to become the largest dot of them all. How? Easy: by eating UP the rest of players.
Gobble up your rivals.
Its graphics can be described as stunning... but that is definitely debatable. The game's simplicity is one of its greatest features in which you can customize your aspect as you become a larger and larger dot.
You'll have the possibility to eat your rivals, for which purpose you'll have to turn to all sorts of strategies to complete your mission.