Class of Heroes is a role-playing video game dungeon crawler for the PlayStation Portable developed by Zero Div and published by Acquire in Japan and Atlus in North America. In Japan the game was released on August 26 2008; in North America the game was released on June 9 2009 by Atlus. In the game players progress by navigating dungeons as hordes of enemies appear and attack in turn-based combat. Class of Heroes received mixed reviews from critics with some appreciating the creative take on dungeon-crawling and others disliking the game's graphics and grind-based leveling system.