Technically Mount & Blade is also 3'rd person.
IMHO even 1 good game, the thematic of which really interests you will keep you busy not just for the weekend but if you play it exclusively - easily for weeks or even months. Such as the case can be for Pathologic, The Void, Bloodlines, Deus Ex, Witcher, Fallout, Total War, Red Faction and so on.
"I really perceive that vanity about which most men merely prate — the vanity of the human or temporal life. I live continually in a reverie of the future. I have no faith in human perfectibility. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active — not more happy — nor more wise, than he was 6000 years ago. The result will never vary — and to suppose that it will, is to suppose that the foregone man has lived in vain — that the foregone time is but the rudiment of the future — that the myriads who have perished have not been upon equal footing with ourselves — nor are we with our posterity. I cannot agree to lose sight of man the individual, in man the mass."...
- 2 July 1844 letter to James Russell Lowell from Edgar Allan Poe.