It's hard to pick just 5, but here are a few of my favorites:
Zelda
Mega Man 2
Ice Hockey - 2 Medium Guys and 2 Big Guys
Who Framed Roger Rabbit? - Took me forever, but I finally knocked out the Judge.
Burgertime - Loved spraying the eggs with pepper.
Life Force - Up, Up, Down, Down, Left, Right, Left Right, B, A, B, A, Select, Start