Coming from Argentina, COSO is known in Age of Empires II. 12 matches of Age of Empires II are on COSO's record. COSO has a clear preference for the unranked ladder.

COSO has yet to try ranked play in Age of Empires II. Data shows COSO selecting Byzantines as their civilization 83.3% of the time. COSO excels in the flank position: 100.0% win rate over 2 matches.