Willsai is among the Age of Empires II players representing Hong Kong. Willsai has played a total of 155 matches in Age of Empires II. Willsai prefers the unranked game mode.

No ranked matches appear on Willsai's profile, suggesting a preference for casual play. Willsai picks Britons more than any other civilization—20.0% of the time. Playing the pocket role, Willsai achieves a 100.0% win rate over 13 matches.