I'm looking to make a fairly comprehensive list of all the worthwhile NES games. I used http://vsrecommendedgames.wikia.com/wiki/NES as a starting point and went from there. There still may be a few holes in my list. which is why I come to you. Here's the list so far:

Abadox
Adventure Island
Adventure Island 2
Adventure Island 3
Adventure Island 4
Adventures of Lolo
Adventures of Lolo 2
Adventures of Lolo 3
Arkanoid
Arkanoid II
Balloon Fight
Batman: The Video Game
Battletoads
Battletoads & Double Dragon: The Ultimate Team
Blaster Master
Bonk's Adventure
Castlevania
Castlevania II: Simon's Quest
Castlevania III: Dracula's Curse
Chip 'n Dale: Rescue Rangers
Chip 'n Dale: Rescue Rangers 2
Cobra Triangle
Contra
Crisis Force
Crystalis
Darkwing Duck
Déjà Vu
Donkey Kong
Donkey Kong Jr.
Donkey Kong 3
Double Dragon
Double Dragon II: The Revenge
Double Dragon III: The Sacred Stones
Dr. Mario
Dragon Warrior
Dragon Warrior II
Dragon Warrior III
Dragon Warrior IV
Duck Hunt
Duck Tales
Duck Tales 2
EarthBound Zero
Excitebike
Final Fantasy
Final Fantasy II
Final Fantasy III
Friday the 13th
Galaga
Gargoyle's Quest II
Ghosts 'n Goblins
Gradius
Gradius II
Gyruss
Ice Climber
Kid Icarus
Kirby's Adventure
Legend of Zelda, The
Life Force
Little Nemo: The Dream Master
Little Samson
Mario Bros.
Mega Man
Mega Man 2
Mega Man 3
Mega Man 4
Mega Man 5
Mega Man 6
Metroid
Mike Tyson's Punch-Out
Mr. Gimmick
Ninja Gaiden
Ninja Gaiden II
Ninja Gaiden III
Paperboy
Pinball
R.C. Pro-Am
R.C. Pro-Am 2
River City Ransom
S.C.A.T.: Special Cybernetic Attack Team
Shadowgate
StarTropics
StarTropics II: Zoda's Revenge
Summer Carnival '92: RECCA
Super C
Super Mario Bros.
Super Mario Bros.: The Lost Levels
Super Mario Bros. 2
Super Mario Bros. 3
Sweet Home
Teenage Mutant Ninja Turtles
Teenage Mutant Ninja Turtles II: The Arcade Game
Teenage Mutant Ninja Turtles III: The Manhattan Project
Tetris
Uninvited
Wario's Woods
Yoshi
Yoshi's Cookie
Zelda II: The Adventure of Link