Coming from China, OO is known in Age of Empires II. Over time, OO has accumulated 316 matches in Age of Empires II. OO is most active in the unranked ladder.

OO has never ventured into ranked gameplay in Age of Empires II. When selecting a civilization, OO goes with Khmer about 54.1% of the time. Playing as Khmer, OO wins 59.2% of their games (125 matches played).

Black Forest has proven to be OO's strongest map—57.2% win rate in 215 games. A 57.0% win rate in the pocket role over 107 games is OO's best.