Krill on 21 September 2008
This thread makes me remember how many great games were on the N64, and it was the high water mark for Rare as well. Don't take out the red thing. It is the Graphics Expansion Pak needed to play games like Donkey Kong 64, Majora's Mask and Perfect Dark.
Edit: More info here
http://en.wikipedia.org/wiki/Expansion_Pak
