COOL ER plays Age of Empires II and is based in China. Age of Empires II records show 880 matches for COOL ER. When it comes to competitive play, COOL ER gravitates toward unranked.

So far, COOL ER has not participated in ranked games. COOL ER favors Franks over other civilizations, selecting it in 29.2% of matches. COOL ER's best win rate is 40.6% with Franks in 165 matches.

Arabia has proven to be COOL ER's strongest map—48.6% win rate in 37 games. The stats show COOL ER at their best in the pocket role—54.4% win rate in 90 matches.