Koos brings Dutch representation to Age of Empires II. Koos has played a total of 470 matches in Age of Empires II. Koos focuses mainly on ranked random map team matches.

A 78.0% win rate with Cumans makes it Koos's top civilization over 41 matches. Koos is at their best on Black Forest, winning 56.6% of 83 matches. The flank position is where Koos thrives, winning 48.1% of 160 games.

Koos sits at 1062 ELO in RM Team. After 439 RM Team matches, Koos sits at a 49.9% win rate.