Representing France, Karajustu is active in the Age of Empires II scene. Karajustu's profile shows 92 completed matches in Age of Empires II. Most of Karajustu's games take place on the unranked ladder.

Karajustu has never ventured into ranked gameplay in Age of Empires II. Playing the flank role, Karajustu achieves a 61.5% win rate over 13 matches.