Costco hails from Taiwan and plays Age of Empires II. Costco has competed in 267 Age of Empires II matches so far. The preferred ladder for Costco is unranked.

Ranked matches are not part of Costco's Age of Empires II experience so far. Costco has a clear affinity for Italians, choosing it in 36.0% of their games. Arabia has proven to be Costco's strongest map—79.7% win rate in 59 games.

Costco wins 69.1% of matches when playing as pocket (55 matches).