Hey you know what OP? I gotcha back. While it never caused me to enjoy any of my gaming experiences any less, it always irked me that my brother-in-law got some achievement one night a few years back while playing GRAW that left we with an odd score.
It must have stayed that way for close to two years before I realized that some games on the XBLA compilation disc that I had picked up used at GS for like $5 had some easily obtainable odd achievements to even it back out. I think it was Feeding Frenzy that finally did it.