ko3yama hails from Japan and plays Age of Empires II. ko3yama brings the experience of 183 played matches to each game. The unranked ladder is where ko3yama spends most of their time.

No ranked matches appear on ko3yama's profile, suggesting a preference for casual play. ko3yama tends to pick Mongols most often, with a pick rate of 79.8%. With a 49.5% win rate over 109 matches, Mongols is ko3yama's strongest civilization.

Playing on Black Forest, ko3yama achieves their best results—57.5% wins over 40 matches. With 77 matches as pocket, ko3yama holds a 48.1% win rate.