New Super Mario Bros. Wii Could Have Had an Online Multiplayer

If things were up to Nintendo

New Super Mario Bros. 2 - Wikipedia

New Super Mario Bros. Wii Review - Vooks

Developers at Nintendo have dreamed of creating a simultaneous multiplayer Super Mario Bros. game for decades. The Wii console finally made that dream

New Super Mario Bros. Wii - Nintendo Wii

Can you play as Luigi, Blue Toad, and Yellow Toad in New Super

Super Mario Bros. Wonder's Online Mode Is Worth Trying

I'm a Nintendo fanatic and the Switch's latest game is the best

New Super Mario Bros. U - Wikipedia

Super Mario: Review of Wii U launch game

Super Mario Bros. Wonder is Nintendo multiplayer done right

Super Mario Bros. Wonder Online Multiplayer Revealed, No Online Co

Sorry if this has been discussed before, but could competitive

New Super Mario Bros. 2 Has Full Co-Op, But No Online - Siliconera