REX hails from Taiwan and plays Age of Empires II. 407 matches of Age of Empires II are on REX's record. The majority of REX's matches are in the unranked mode.

REX prefers non-competitive gameplay and has never played ranked. In 93 matches with Byzantines, REX has won 53.8%. The map Arena is where REX shines, winning 52.2% of 136 games.

REX excels in the flank position: 55.3% win rate over 262 matches.