North America is a server region in Agar.io.
FFA[]
Often dominated by slow teaming clans, usually Asian. These clans are much less skilled and can get Anti-Team Penalty due to their lack of knowledge about how anti-team works.
Teams[]
Often unskilled randoms. However, when skilled (chat) players come, they usually all join a single colour, and can make the game unplayable for most players in the other 2 colours. This is known as teams mode stacking.
Experimental[]
Party[]
Generally always full of fast teaming players.