Coming from Denmark, Jamma is known in Age of Empires II. Jamma has participated in 38 matches across different game modes. Most of Jamma's games take place on the unranked ladder.

Jamma enjoys Age of Empires II without competing in ranked matches. Jamma has a clear affinity for Chinese, choosing it in 15.8% of their games. Jamma performs best in the flank position, with a 85.7% win rate over 7 matches.