A US version of Saga of Hero, it's a 2.5D MMORPG game.

Crystal Saga is a free-to-play browser 2.5D MMORPG set in the fantasy world of Vidalia. Not only does it offer a vast virtual world, but also features a captivating and detailed storyline. Players may choose from five available classes: Mage, Paladin, Priest, Ranger and Rogue. Tame a slew of available pets, aiding you and your group in battle. Participate in one of the many daily contests, events and dungeons that Crystal Saga has to offer.