Coming from Germany, Kalker is known in Age of Empires II. To date, Kalker has played 176 matches in Age of Empires II. Kalker has a clear preference for the ranked random map 1v1 ladder.

Across 77 games on Arabia, Kalker has a 49.4% win rate. Kalker performs best in the flank position, with a 71.4% win rate over 28 matches. A rating of 1680 in RM Team reflects Kalker's current level.

Kalker wins 51.1% of the time in RM 1v1 after 141 matches.