Representing Argentina, KOSS is active in the Age of Empires II scene. The match count for KOSS in Age of Empires II stands at 417. Most of KOSS's games take place on the unranked ladder.

KOSS prefers non-competitive gameplay and has never played ranked. Playing as Magyars, KOSS wins 50.0% of their games (42 matches played). KOSS is at their best on Arabia, winning 44.5% of 299 matches.

In the flank position, KOSS has a 50.8% win rate across 122 games.