I notice the Serbia's flag has been added to this website but doesn't work on the game yet.

I would like to ask Agar.io to add Serbia's flag. Does anybody knows how I can do that? Thanks!

3

1 Answer

Setting ones name to the corresponding skin is the only way to use alternate skins in vanilla agar.io.

There are several sites (including here at the Arqade) with lists of the available skins. However, due to how quickly this developer appears to modify the game, skins are often added or removed. For this reason, no source is 100% reliable, unless official.

It is possible that the website you source has a sneak peek at a future update the developer is going to publish. It is more likely they are showing a skin that is out-dated, or removed. It is also entirely possible that they have posted a "fake skin", as there are a lot of "fan art" skins floating around.

The developer has a Reddit page, and appears to answer fan questions through this medium. You can ask there for a more reliable answer.