This research attempts to analyze the use of content analysis DotA game modes; according to game design and role-playing game system constitute elements and forms the basic structure of push-back analysis DotA game. In the study of choice, competition arena to Garena Warcraft game platform, maintained a high popularity "Dynasty Warriors" and two maps, "Nobunaga's Ambition" as a sample. The analysis found that, after induction via content encoding found, Confirm Dota game mode is dominated by "real-time combat mode", "fixed skill configuration", "equipment carry restrictions", "medium synthesis mode", "independent map style", "fighting clearance type", "range triggering event", "any reel screen "and" NPC movement path type "and so constituted. Hope that by analyzing the structure of the game, as a follow-up to investigate this topic, based on the analysis.