With roots in Belgium, Mk21 takes part in Age of Empires II. Mk21 brings the experience of 685 played matches to each game. In terms of game mode, Mk21 favors ranked random map 1v1.

Mk21 has a clear affinity for Lithuanians, choosing it in 43.5% of their games. Portuguese yields a 60.0% win rate for Mk21 over 30 matches. Playing on Hideout, Mk21 achieves their best results—63.5% wins over 63 matches.

RM 1v1 records show Mk21 at a rating of 599. 49.4% of Mk21's 585 RM 1v1 games have ended in a win.