Representing France, Costo is active in the Age of Empires II scene. Over time, Costo has accumulated 106 matches in Age of Empires II. Costo has a clear preference for the unranked ladder.

Ranked matches are not part of Costo's Age of Empires II experience so far. Costo has played 33 matches on Black Forest and won 54.5%. A 55.9% win rate in the flank role over 34 games is Costo's best.