Representing Czechia, GrethinHP is active in the Age of Empires II scene. To date, GrethinHP has played 61 matches in Age of Empires II. GrethinHP primarily plays on the unranked ladder.

Ranked play is not on GrethinHP's agenda—they have never queued for a ranked match. The civilization Teutons is the most-played pick for GrethinHP, chosen 26.2% of the time. flank is GrethinHP's strongest position, boasting 100.0% wins across 3 games.