Representing United Kingdom, proofdoubloon is active in the Age of Empires II scene. Over time, proofdoubloon has accumulated 18 matches in Age of Empires II. The majority of proofdoubloon's matches are in the unranked mode.

Ranked play is not on proofdoubloon's agenda—they have never queued for a ranked match. When selecting a civilization, proofdoubloon goes with Mayans about 22.2% of the time. The flank position is where proofdoubloon thrives, winning 100.0% of 2 games.