Topic: Whats your fave NSO Classic per console?

I am making sure I get good value out of the online subscription so I try to play all there is on offer. Even with consoles I don't play that much I try to still try stuff out. So far here are my current faves on each classic console.

SNES: Uncharted Waters: New Horizons
NES: Super Dodgeball
Virtua Boy: Space Invaders
Sega Genesis: MegaMan The Wily Wars
Game Boy: Pokemon Trading Card Game
Game Boy Advance: Fire Emblem: The Sacred Stones
N64: Mario Tennis
Gamecube: F-Zero GX

I've barely played anything on Nintendo Classics, to be honest, but I like playing the NES and Game Boy versions of Tetris, and though I never got around to finishing it (among several other games I dipped my toes into), I enjoyed Donkey Kong Country on SNES.

Edit: thought I'd mention I don't have the Expansion Pack.

Let's see,

Nes: Mario 3
Snes: DKC2 (runner up, Super Metroid)
VB: N/A
Genesis: Shinobi III (runner up, Shining Force 2)
GB: Mario Land 2
GBA: Metroid Fusion
N64: Ocarina of Time
GC: Luigi's Mansion

Oooh.

Hard one.

Nes: Mario Bros 2 or Kirby's Adventure.
Snes: Kirby's Fun Pack (that is what it was called in the UK. It will always be that for me!)
Mega Drive: Toejam and Earl.
GB: Kirby's Dream Land (Runner Up: Pokemon Trading Card Game)
GC: Luigis Mansion (Runner Up: Pokemon Gale of Darkness)
N64: Yoshi's Story (Runner Up: Paper Mario)
GBA: Warioware.

Hard one. I love NSO very much! I have between 40-120 hours logged on each NSO console.

I've not played most of these ON NSO, but there's no reason they should be different on NSO so...

NES: Kirby's Adventure
SNES: Yoshi's Island (only caveat being I've almost exclusively played the GBA version which is mildly different, but if that's a deal breaker for you for some reason, DKC2)
N64: Paper Mario
Genesis: Sonic 2 or Ristar
GB: Link's Awakening
GBA: Metroid Fusion
Gamecube: Luigi's Mansion or Soul Calibur 2