Coming from Germany, m.kosterka is known in Age of Empires II. 8 matches of Age of Empires II are on m.kosterka's record. m.kosterka focuses mainly on unranked matches.

m.kosterka has yet to try ranked play in Age of Empires II. Mayans is the go-to civilization for m.kosterka, making up 50.0% of their picks.