If you want to talk about series duds, mgs has quite a few. Assassin's creed has a couple as well, it's called the psp.
On topic, smt is good in this regard. Not entirely good, but consistent over the decades.
Ys is another.
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The King Wang.
Listen up Urinal Cake. I already have something that tells me if I'm too drunk when I pee on it: My friends. - Colbert.