As a player from Sweden, Yamasaki participates in Age of Empires II. 21 matches of Age of Empires II are on Yamasaki's record. Yamasaki primarily plays on the unranked ladder.

Yamasaki takes a relaxed approach to Age of Empires II, with zero ranked matches played. Yamasaki favors Chinese over other civilizations, selecting it in 61.9% of matches. The stats show Yamasaki at their best in the flank role—80.0% win rate in 5 matches.