Action-Adventure games are typically played using a 3rd Person 3D graphical engine. Players are usually on a quest of some sort which requires active playing with guns, magic, or other weapons. Character typically run, jump, and interact with their surroundings. Action-Adventure Video Games Games.
Action-adventure is a hybrid genre, and thus the definition is very inclusive, leading it to be perhaps the broadest genre of video games, and can include many games which might better be categorized under narrow genres. (wikipedia)