This forum thread is about magazine scans you find of unrealeased NES games. I'll start.

Street Fighter II

Kung Fu II

Hellraiser (an NES FPS)

Crash 'n the Boys Soccer Challenge

Cosmic Elipson tip (How did someone send in a tip for an unrealeased game? I smell prototype!)

Chip's Challenge

Bio force ape in (Famuistu?)

Every game on this Aladdin deck anhancer box is unreleased or shifted to cartridge!

Xybots

Sim city in NP 2006.