Core Ona hails from Switzerland and plays Age of Empires II. Core Ona has 164 Age of Empires II matches on record. The preferred ladder for Core Ona is unranked.

Ranked play is not on Core Ona's agenda—they have never queued for a ranked match. Core Ona has a clear affinity for Mayans, choosing it in 63.4% of their games. In 89 matches with Mayans, Core Ona has won 53.9%.

The flank position is where Core Ona thrives, winning 56.2% of 32 games.