Representing United Kingdom, Castamiri is active in the Age of Empires II scene. The match count for Castamiri in Age of Empires II stands at 811. The majority of Castamiri's matches are in the ranked random map team mode.

Castamiri picks Poles more than any other civilization—13.2% of the time. Castamiri performs best with Turks, holding a 75.0% win rate across 68 matches. Castamiri has a 62.2% win rate on Hideout across 37 matches.

flank is Castamiri's strongest position, boasting 52.4% wins across 126 games. At 1196 in RM 1v1, Castamiri has built up a respectable rating. In RM Team, Castamiri wins 54.7% of their matches (536 total).