[quote name='ChaoticClimax']I the only games I flat out couldn't beat, not because of losing interest (Metroid Prime, FF8) are the Resident Evil games, with the exception of 4. Those games are

ing impossible, I get anxious every time I use a bullet or health item because I fear I'll never be able to beat the game because I should have saved it for later.[/QUOTE]
I have exactly the same problem
including 4...I have replayed parts of RE4 over and over trying to do save more bullets/health. I got frustrated after getting into the castle with a fairly small supply of ammo and restarted.
I haven't beaten the first Pikmin for exactly the same reason. I keep playing a single day over and over until I am satisfied that I have done it as well as possible so that I don't get to the end and run out of days (for the record, the last time I played, I had more days left than parts to get, but I was having trouble getting all
three parts that I wanted to get the next day without killing off half of my Pikmin).
I also haven't finished SMB - though I am working on it. I just got through 7 last night. And although I did beat SMW, I never managed to beat the 8th castle - I went around it through the star area to beat bowser.
I have yet to get through a single advance wars, as I have trouble accepting anything less than 100 for my score at the end of the level.