With roots in Argentina, Mitsui takes part in Age of Empires II. Mitsui has played a total of 3 matches in Age of Empires II. The majority of Mitsui's matches are in the unranked mode.

Mitsui has chosen to skip ranked play, focusing on other game modes. Playing the pocket role, Mitsui achieves a 50.0% win rate over 2 matches.