Underrated NES games

[SonicBoom]

I Am a collector, Big on NES, And I love finding out about underrated games in the NES library. Name some that you know!

List of some of the top of my head

Metal Storm
Journey to Silius
Nightshade
Felix the cat
Guardian Legend

[Phaneuf]

Super Dyna'mix Badminton is a really fun competitive 2 players game,

i've spent many afternoons playing with my brother and some friends, good times!

P.S: its a Japanese exclusive, but you can order a "North American cartridge" from video games reproduction sites (that's what i recently did)

[Ryudo]

[Tupin]

I tried one recently, Magician seems to be pretty interesting.

[davidbrit2]

I thought Predator was decent, in a weird sort of way.

[ccovell]

Solar Jetman!
U-four-ia!
Gyruss!
Rodland!
Code Name - Viper!