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

The game will feature Mario and Luigi, and you’ll be able to play through the entire game with a friend cooperatively.

New Super Mario Bros. Wii - 2 Player Co-Op Full Game Walkthrough (HD)

Super Mario Bros 2 NES - No Seal Of Quality Variant - CLEANED AND AUTHENTIC

Issues with New Super Mario Bros. 2's Co-op Play · Issue #4430 · citra-emu/citra · GitHub

Co-Op New Super Mario Bros. 2 - Part 1

Details of Bayonetta 2's Online Co-Op Tag Climax Mode Emerge

News - August, 2012

New Super Mario Bros. 2, Nintendo 3DS Wiki

🎮 All Super Mario Maker 2 content in one place

Nintendo Spills Its Game & Watch Super Mario Bros Secrets - Siliconera