Well, as someone who has played ridiculous numbers of games I can say that I've run into some real stinkers. Only a few stick in my mind, because I tend to burn the worst from my brain after a while... until someone reminds me.
The most recent game I feel burned on was believe it or not "Puzzle Quest: Galactrix". All I can say is the warnings people put up were correct. The gate hacking is a fun killer.
Then ther was "Beyond Divinity". I'm a pretty big fan of the original "Divine Divinity" and was all psyched up for another game like that and all I can say was that I have never seen a franchise so brutally murdered.
As far as all the criticism of Fallout 3 and Oblivion goes, they are two of my favorite games of all time. However they aren't something that is going to appeal to everyone, and both definatly have their flaws.
On some levels I feel they are similar not so much in sharing the same engine, but the fact that they represent series where the technology took a step forward, but the games themselves took a step backwards. Fallout 3 was missing the type of content that made the first two games so "wrong" yet so fun. I won't criticize the engine they used other than to say that I feel it was a compromise that was functional, but didn't wind up selling either RPG enthusiasts or shooter enthusiasts, never mind uniting both groups in a single blaze of awesome. Oblivion was similar in that it had better technology, but was missing a lot of the content that made it's forerunner (Morrowwind) so great. Oblivion having far less groups you can join for example, less skills, and well... less of pretty much everything when you get down to it.
>>>----Therumancer--->