Call of Duty. The series has only ever put out two good games in I think what is 8 at this point. I love CoD4 and CoD2, but the series either needs a SERIOUS, probably near impossible facelift, or it just needs to crawl in its grave, that's been dug effectively since World at War, and die.
God of War. Should have ended on the second game. They are just getting greedy, and to be honest the games are stale at this point.
Assassin's Creed. I will stand by it that the original Assassin's Creed was the only good one. Despite all of its criticisms, I will defend my stance on this one proudly with a power drill.
Metal Gear Solid. The game is dead. Snake should be dead at this point. It's dead. D-E-D dead.
Pokemon. Not the games. The games are fantastic. The constant need to put out even more pokemon needs to die. They need to continue on with their remakes, make a revamped version of Ruby and Sapphire, an then after that, come up with new story lines, moves, battle sequences, graphics, but not new pokemon.
World of Warcraft. Not saying the game needs to end. Just the expansions. I think just permanently only having vanilla WoW would be good. If people get bored with it, obviously that's not good fiscally for Blizzard, but their will be others to replace them, and it will greatly lessen the numbers of guys who no longer have girlfriends greatly. Also the game has been going downhill since the first expansion with the exception of Nagrand, because it's the best zone in that entire game. I don't play anymore, but Cataclysm looks like it's suffering a case of CoD Syndrome. Trying to do too much, and as a result making a lousy game.
Mario. For god sake, the original Mario games are literally still making millions of dollars to this day. Nintendo's evil scheme: "Make a new console, port over all of the old Mario games. When they are all ported over and the sales have gone down, rinse and repeat." That is why I hate Nintendo.