Any objective-based activity created in-game for the purpose of either story (story quest) or character-level advancement (side quest). Quests follow many common types, such as defeating a number of specific monsters, gathering a number of specific items, or safely escorting a non-player character. Some quests involve more-detailed information and mechanics and are either greatly enjoyed by players as a break from the common monotony or are reviled as uselessly more-complicated than necessary.