Koos brings Dutch representation to Age of Empires II. Koos has played a total of 324 matches in Age of Empires II. Koos focuses mainly on ranked random map team matches.

A 40.0% win rate with Teutons makes it Koos's top civilization over 35 matches. Koos is at their best on Black Forest, winning 65.3% of 49 matches. The flank position is where Koos thrives, winning 49.2% of 124 games.

Koos sits at 1109 ELO in RM Team. After 12 RM 1v1 matches, Koos sits at a 33.3% win rate.