Quote Originally Posted by jperryss View Post
Yep, I have a couple of carts like this (SNES Prince of Persia and NES Megaman 6). I think it has to do with the angle of the pins on the cartridge slot and the thickness of the cartridge board.

I also swear that some of my games work only when the NES is 'warmed up' (ie playing for a little while) but I haven't confirmed that one yet. It's a toploader BTW.
If it's a toploader, you should really not have any problems with the 72-pin connector. At least, it should be a much less-common problem than with the toaster model.