Originally Posted by
Ayrilana
I haven't tested it myself but every person that has said they haven't been able to complete a quest have been able to do so. A couple weeks ago someone couldn't find the last quest and it turned out they didn't do one of the daily quests which they had sworn to doing. The majority of the time it has been Jones' quests that is "hidden" behind the daily quest.
If a dev wants to wipe my Alien Oasis quests away so that I can do them all again, then I'd go check and see where the problem is.