Copy and paste URLs to duplicate database entries in this thread. Include the duplicate and the original that should it should be merged into. An administrator will review your submission, usually within a day, and make the necessary changes. Once your duplicates have been merged an admin will edit your post and add the almighty duplicate eating Pac-Man indicating that your post has been taken care of.
If admins haven't cleared your post yet feel free to modify it and add any additional duplicates you may have found in the meantime. This way we have less posts spamming up the thread.
Common duplicates to keep an eye out for:
Anything Pokemon, SoulCalibur, James Bond, LittleBigPlanet, Zelda
Omission of colons
Items beginning with The
Alternate romanization of Japanese titles
Blank entries