With roots in Germany, Grumsl takes part in Age of Empires II. 296 matches of Age of Empires II are on Grumsl's record. Grumsl's best win rate is 69.4% with Franks in 36 matches.

Arabia has proven to be Grumsl's strongest map—61.7% win rate in 141 games. Grumsl has the highest win rate in the pocket position: 63.2% over 68 games. Grumsl sits at 1211 ELO in RM 1v1.

A 54.4% win rate over 149 games defines Grumsl's RM Team record.