In single player, yes.
In multiplayer, no.
No. Super Mario Bros. 2 (on the NES) does not have 2 player co-op or any two player mode at all.
Play 2 player mode and player 1 is Mario. Player 2 is Luigi.
he isn't in super Mario bros 3
Challenge mode doesn't exist in New Super Mario Bros.
The only way to play as Luigi in the original SMB is in the 2-player mode. Luigi is player 2.
No
no, but you can unlock Dr. Mario in Super Smash Bros. Melee by completing Challenge Mode with Mario.
On every Smash Bros. ever made, all you have to do is beat Classic mode. (Or Adventure Mode for Melee)
Just finish classic mode with Mario and Yoshi.
It appears when you die 8 times.
you get your game system then put mario bros deluxe then drop it in the toilet
Complete the one player mode and defeat him after.