They aren't
No, it was released for, NES, PlayChoice-10 SNES (in Super Mario All-Stars), GBA (as part of Super Mario Advance), Virtual Console.
It came out as a NES game but can be played on the SNES as part of Super Mario All-Stars.
No
The SNES. But a pirate was ported for the famicom/nes find it at freeroms.com
no its an snes
I believe so. Get Super Mario All Stars. It's a cartridge for SNES that has four Super Mario games: Super Mario Bros., Super Mario Lost Levels, Super Mario 2, and Super Mario 3.
yes
You can't, Super Mario World was a SNES title.
There are, in fact, at least nine educational Mario games. They are "Mario Is Missing" (NES, SNES, WIN/MAC), "Mario Teaches Typing (1 & 2)" (WIN/MAC), "Mario's Early Years! (Fun With Letters, Fun with Numbers, and Preschool Fun)" (SNES), "Mario's Game Gallery (a.k.a. Mario's FUNdamentals)" (WIN/MAC), "Mario's Time Machine" (NES, SNES, WIN/MAC), and "Super Mario Bros. & Friends: When I Grow Up" (WIN/MAC).
Paper Mario: The Thousand-Year Door will never come out on virtual console because it is a Gamecube game.The only games on virtual console are NES,SNES,N64,some arcade games,genesis, and master genesis.
SNES
No, it's only on the original Famicom/NES, the Virtual Console for Wii, and the SNES, in Super Mario All-Stars. Super Mario Advance for GBA was a remake including SMB2's content, however this too is unable to be played on a DSi.