Representing Switzerland, MarNero is active in the Age of Empires II scene. MarNero has competed in 24 Age of Empires II matches so far. MarNero sticks to unranked or casual play, having never entered ranked.

The most common civilization choice for MarNero is Persians (33.3% pick rate). The pocket position is where MarNero thrives, winning 50.0% of 8 games.