Stiimasko is among the Age of Empires II players representing Estonia. To date, Stiimasko has played 9 matches in Age of Empires II. Stiimasko has a clear preference for the unranked ladder.

Ranked play is not on Stiimasko's agenda—they have never queued for a ranked match. The most common civilization choice for Stiimasko is Lithuanians (22.2% pick rate). Stiimasko performs best in the flank position, with a 33.3% win rate over 3 matches.