Hithel said:
People here would seem to be really new to gaming since Fable 2 and Fallout 3 seem to take the top spots. Those games' endings aren't even close to half bad when considering...
Xenon 2
Halo 2
Myst
Syndicate
Some people shake their heads others need an explaination.
OK, Syndicate is right up there since it starts the credits when you kill the final enemy. I felt enormously cheated when I saw that back in the early 90's, but has since moved on.

Myst was also real bad and routinely makes lists of worst endings, the same way E.T. tops worst game lists. Its badness is part of gaming lore, much like Fallout 3 will be in 10 years

I saw it back in the day though, so I was there - but I never played E.T. so I can't fairly vote for it when asked about worst game of all time.
(Bringing E.T. up as an example is in fact pretty much like claiming you were at Woodstock.