Mäsgäri is among the Age of Empires II players representing Finland. 3923 matches of Age of Empires II are on Mäsgäri's record. Mäsgäri performs best with Romans, holding a 70.7% win rate across 41 matches.

With 46 matches on Four Lakes, Mäsgäri holds a 69.6% win rate. Mäsgäri has the highest win rate in the flank position: 53.8% over 840 games. Mäsgäri has reached a rating of 1521 in RM 1v1.

Mäsgäri maintains a 51.5% win rate in their 1836 RM Team matches.