Coming from Sweden, Klas Mjällborn is known in Age of Empires II. Klas Mjällborn has played a total of 1047 matches in Age of Empires II. ranked random map 1v1 is the primary game mode for Klas Mjällborn.

Klas Mjällborn picks Byzantines more than any other civilization—36.5% of the time. With a 56.1% win rate over 378 matches, Byzantines is Klas Mjällborn's strongest civilization. Playing on Arabia, Klas Mjällborn achieves their best results—54.2% wins over 755 matches.

The stats show Klas Mjällborn at their best in the flank role—33.3% win rate in 3 matches. With a rating of 1433 in RM 1v1, Klas Mjällborn has established their level. Klas Mjällborn has a 54.7% win rate in RM Team over 64 games.