As a player from Brazil, Kowalski participates in Age of Empires II. Kowalski has played a total of 36 matches in Age of Empires II. The preferred ladder for Kowalski is unranked.

Kowalski sticks to unranked or casual play, having never entered ranked. A 38.9% pick rate makes Mayans the top civilization choice for Kowalski. In 20 games as flank, Kowalski has won 100.0% of the time.