The opportunity to do the server to another game.

Hello I am Adankin. I like hosting Aternos.
It is is possible to create a server for another game?
I'm not saying I do not like Minecraft But But whether it was possible to create a server for another game? For example, CS 1.6 Principle was be the same you were giving fashion to the server Is plugins. Of course Running '' Queues ''
Of course, not only for CS 1.6 but also to other games. Unfortunately, I do not remember the names of all the Games so I do not I will give an example. Sorry for my English but still learning ... Thanks for reading!~