Action games are a genre of video games that focus on fast-paced gameplay and intense challenges. These games often involve fighting, shooting, and other physical challenges, and often require quick reflexes and precise movements from the player. Many action games are set in fictional worlds and feature characters with special abilities or powers, and may involve fighting against other characters or monsters, or completing missions and objectives. Some popular examples of action games include first-person shooters, fighting games, and platformers.