Representing China, Co1keman is active in the Age of Empires II scene. Over time, Co1keman has accumulated 913 matches in Age of Empires II. The majority of Co1keman's matches are in the ranked random map team mode.

Co1keman shows a preference for Mongols, picking it 18.5% of the time. When picking Lithuanians, Co1keman achieves a 68.9% win rate over 45 games. The map Arabia is where Co1keman shines, winning 56.8% of 192 games.

In 382 games as flank, Co1keman has won 50.3% of the time. Co1keman's highest rating is 871 in the RM Team ladder. After 731 RM Team matches, Co1keman sits at a 49.0% win rate.