Representing Croatia, Rex Croatorum is active in the Age of Empires II scene. Age of Empires II records show 575 matches for Rex Croatorum. The preferred ladder for Rex Croatorum is unranked.

No ranked matches appear on Rex Croatorum's profile, suggesting a preference for casual play. Rex Croatorum's best win rate is 38.9% with Britons in 36 matches. The map Michi is where Rex Croatorum shines, winning 40.4% of 52 games.

Rex Croatorum wins 38.1% of matches when playing as flank (21 matches).