I have some really old consoles so be prepared!
Atari 2600
Adventure
Pitfall
Boxing
Random sports
E.T. (yes I know shut up.)
A few unlabeled, and I can't remember them.
NES
SMB/Duck Hunt
(gold) Legend Of Zelda
(Regular) Legend of Zelda
(Canadian) Metroid
TMNT (1,2)
Wizards and Warriors...