Oddly enough, the most fun I had is with a Super MArio game not even listed:
That would be the first Super Mario Land on the game boy ( mono ).
I know it looks worse then anything else but still to this day every once in a while I pull it out and I manage to play trough the whole game in one session and finish it with 13-14 lifes !
That game was realy playable and I have fond memories of it.
Before that there was another Mario I was addicted too:
Mario Bros ( original coin-up version ) which is also not listed.
I had fun with that one as a kid when it was brand new in the arcade and I couln't stop playing it.
Then I had a lot of fun with Super Mario World, which is listed, closely followed by SM3 on the Snes all star edition ( the graphics are just incredible and the game his probably the most innovative one of the series )
So there you go:
1- Super Mario Land (GB)
2 -Mario Bros ( Arcade )
3 -Super Mario World ( Snes)
4 -Super Mario Bros 3 ( All Star edition Snes)