Here's my list of the greatest NES games in no order...

Air Fortress
Amagon
Bomberman
Final Fantasy I
Metal Gear
Bubble Bobble
Castlevania III: Dracula's Curse
Chrono Trigger
Contra
Donkey Kong
Gaunlet II
Ice Climber
The Legend Of Zelda
Lemmings
Mega Man
Smash TV
Batman: Return of the Joker
Street Fighter 2010
Super Mario Bros.
Tetris
Tetris II
Track & Field
Zelda II: The Adventure of Link
Sword Master