So after hearing lots of people praise Skyrim for its open world nature and exploration aspects I began to think; in such a game, is the main quest really necessary? To be honest, the inclusion of a main quest in Skyrim seems like the inclusion of single player in Call of Duty. It only appears to be there because that's just the way things are done. I mean, if the main quest were omitted that could be more time spent on something else, perhaps giving the smaller side quests more context. The only problem I could really foresee would be that the game would never give any closure since it wouldn't have a 'proper' ending. So what does everyone think? Are main quests necessary? Are there any games that have gone without them, and if so, were they successful?