Complex sentence: Following the popularity of its multiplayer gameplay, "Melee" has been featured in many competitive gaming tournaments, such as the Evolution Championship Series and Genesis tournaments, as it is still one of the most popular fighting games for competitive play.
Split into simpler sentences: Following the popularity of its multiplayer gameplay, "Melee" has been featured in many competitive gaming tournaments, such as the Evolution Championship Series and Genesis (tournament). It is still one of the most popular fighting games for competitive play.