Super Mario Galaxy 2 Update Ver. 1.4.0 Adds New Storybook Entry

How To Update Super Mario Galaxy 2

Applies to Nintendo Switch 2, Nintendo Switch, Nintendo Switch Lite, and Nintendo Switch OLED Model.

Auto-update note: If your console is connected to the internet and Software Auto-Updates is enabled, the update should download and install automatically.

1. Connect your console to the internet.
2. Highlight Super Mario Galaxy 2 on the HOME Menu without opening it.
3. Press the + or – button.
4. Select Software Update, then Via the Internet.

Ver. 1.4.0 Highlights (April 29, 2026)

• General fixes and gameplay adjustments for smoother performance.
• A new storybook chapter unlocks after Final Chapter is available, then you clear a galaxy and collect a Power Star.

Additional Nintendo Japan Update (Translated)

Nintendo says a new chapter continues the story of the twin Luma characters (called Chiko in Japanese), and new picture book music is now available on Nintendo Music.

Past Updates

• Ver. 1.3.1, February 5, 2026
• Ver. 1.3.0, December 18, 2025
• Ver. 1.2.0, October 1, 2025

Sources:

• Nintendo Support, Super Mario Galaxy 2 Update History
• Nintendo Japan Topics