Erna is among the Age of Empires II players representing Germany. 54 matches of Age of Empires II are on Erna's record. Erna is most active in the unranked ladder.

Erna prefers non-competitive gameplay and has never played ranked. Erna picks Britons more than any other civilization—31.5% of the time. Playing the flank role, Erna achieves a 100.0% win rate over 2 matches.