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I didn't think there was much quest variety.

One of the earlier quests I did was to bring a fish from this dude to his wife. I was SO expecting that he hadn't caught the fish, and you had to do it for him. And it would have been the perfect spot to add some variety to your quests.

Quests are a really good way to introduce players to your mechanics too (i.e the "jobs" you already have in the game).