At the end of a level or group of levels, the player must often defeat a boss enemy that is more challenging and often a major antagonist in the game's story. This player character must navigate a level, collecting objects, avoiding obstacles, and battling enemies with their natural skills as well as weapons and other tools at their disposal. In an action game, the player typically controls a character often in the form of a protagonist or avatar. Multiplayer online battle arena and some real-time strategy games are also considered action games. The genre includes a large variety of sub-genres, such as fighting games, beat 'em ups, shooter games, and platform games.
An action game is a video game genre that emphasizes physical challenges, including hand–eye coordination and reaction time.