- A new trailer for Super Mario 3D World + Bowser's Fury (pictured) premiered on January 12, 2021.
- Nintendo acquires Next Level Games , the developer of the Mario Strikers series, Luigi's Mansion: Dark Moon, and Luigi's Mansion 3.
- Donkey Kong Country 3: Dixie Kong's Double Trouble! was released on Super Nintendo Entertainment System - Nintendo Switch Online on December 18, 2020.
- Sephiroth was announced as the fighter for Challenger Pack 8 in Super Smash Bros. Ultimate during the Game Awards held on December 10, 2020.