Representing Sweden, Leffe is active in the Age of Empires II scene. Leffe has competed in 108 Age of Empires II matches so far. Most of Leffe's games take place on the unranked ladder.

Leffe takes a relaxed approach to Age of Empires II, with zero ranked matches played. pocket is Leffe's strongest position, boasting 52.4% wins across 21 games.