Representing South Korea, COYS is active in the Age of Empires II scene. COYS has participated in 366 matches across different game modes. COYS has a clear preference for the ranked random map team ladder.

COYS's best win rate is 55.9% with Cumans in 34 matches. Playing on Nomad, COYS achieves their best results—70.5% wins over 44 matches. COYS excels in the flank position: 48.9% win rate over 235 matches.

COYS has climbed to 1031 in the EW Team ladder. COYS has a win rate of 49.8% in RM Team (271 games played).