Representing Hong Kong, Harley Quinn is active in the Age of Empires II scene. Having completed 21 matches, Harley Quinn has built up solid experience in Age of Empires II. Harley Quinn primarily plays on the unranked ladder.

Ranked play is not on Harley Quinn's agenda—they have never queued for a ranked match. Harley Quinn has a clear affinity for Mongols, choosing it in 33.3% of their games. Harley Quinn has the highest win rate in the pocket position: 66.7% over 3 games.