Question: what is the best 2d mario game?
Answer: 1 Super Mario World. The Super Nintendo game, Super Mario World blows every other 2D Mario game out of the water (and almost every 3D Mario game.)
2 Super Mario Bros. ... 
3 Super Mario Land 2: 6 Golden Coins. ... 
4 New Super Mario Bros. ... 
5 Super Mario 3D Land. ... 
6 New Super Mario Bros. ... 
7 Super Mario Bros. ... 
8 Super Mario Bros. ...