How about I list the game series I deem over rated?
Halo: 1 and 2 were good shooters, not perfect, but good. Then 3 and the rest come. 3 was meh to me, ODST had potential but didn't live up to it, and Reach was good but the ending is sorely over-rated. Wow, an ending where you die, how original.
Assassin's Creed: All of them just seem to have either horrible pacing or artificial length. Not to mention the story, ughh. Can't hold a candle to Legacy of Kain's story.
Capcom Fighters: All of them. They just feel too slow, with fans that like to say "Its game engine is the best technically!" which, while true, is in no way an indication of it being Fun. That is why I have more fun with Mortal Kombat than Super Extreme Street Brawlers 480: Supreme Alternate Custom Edition.
Half-life: Likely due to having experienced them years after their respective periods, but regardless, I don't like them. The story is not engaging in the slightest, I felt ripped off with Episode 2 (I gave the episodes their own chances), and I honestly couldn't care about most of the characters. G-man has some charm, but Alyx and co. don't really appeal to me. No, I don't care that she doesn't have "Supah Sexai outfats", I care that she has a boring character with slight like-ability.
~Efrit