Representing Finland, Kaarlos is active in the Age of Empires II scene. 11003 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 65.5% with Khitans in 84 matches. A 72.7% win rate on Four Lakes makes it Kaarlos's top map (128 matches). In 903 games as pocket, Kaarlos has won 55.4% of the time.

The RM 1v1 rating for Kaarlos is 1830. Across 2947 RM Team games, Kaarlos holds a 52.9% win rate.