Representing Poland, Mriausz is active in the Age of Empires II scene. Mriausz has competed in 68 Age of Empires II matches so far. The majority of Mriausz's matches are in the unranked mode.

The most common civilization choice for Mriausz is Persians (42.6% pick rate). A 77.8% win rate in the flank role over 9 games is Mriausz's best. RM 1v1 records show Mriausz at a rating of 1061.

50.0% of Mriausz's 16 RM 1v1 games have ended in a win.