New Super Mario Bros. vs. Super Mario Galaxy, 2.5D or 3D?

Whichgame did you prefer more? and which one did you find more difficult?

New Super Mario Bros.

http://www.youtube.com/watch?v=JwcQUiVJwE0&playnext_from=TL&videos=mfXKEWWGKNQ

http://www.youtube.com/watch?v=yRkc2DRW12w&playnext_from=TL&videos=8f8Adki3qeI

http://www.youtube.com/watch?v=dnSFGM0EEdU&playnext_from=TL&videos=MznusXPT_3c

Super Mario Galaxy Series

http://www.youtube.com/watch?v=esaJ6CAg-ts

http://www.youtube.com/watch?v=i7YwcCKVhUY

http://www.youtube.com/watch?v=uhMaFNNyK9M

I prefer SMG because its longer , But I had more fun with Nsmb

The galaxy series, without question.

No contest here. SMG wins by a land mile.

2D mario for me im more old school but galaxy is a great game. I still have fun playing mario 3