Representing Finland, Kaarlos is active in the Age of Empires II scene. 10168 matches of Age of Empires II are on Kaarlos's record. Kaarlos primarily plays on the ranked random map 1v1 ladder.

Kaarlos's best win rate is 60.9% with Khitans in 64 matches. A 72.7% win rate on Four Lakes makes it Kaarlos's top map (128 matches). In 743 games as pocket, Kaarlos has won 55.3% of the time.

The RM 1v1 rating for Kaarlos is 1713. Across 6981 RM 1v1 games, Kaarlos holds a 50.3% win rate.