For players with an official copy, updates are handled through the standard Nintendo interface:
To update on Nintendo Switch, you can use the standard eShop method for official copies or manual NSP installation tools for modded consoles. The latest version for Switch is Ver. 1.39.5 , released in April 2026 . Official eShop Update Method For players with an official copy, updates are
Highlight the Astroneer icon on your Home Menu, press the + or - button, and select Software Update > Via the Internet . Official eShop Update Method Highlight the Astroneer icon
Enable this in System Settings > System > Automatic Software Updates to ensure the game stays current whenever you're online. Manual NSP Update (Modded Consoles) If you are
If you own a physical copy, note that it only contains content up to Update 19; you must download the eShop update to access newer content like the Xenobiology Update . Manual NSP Update (Modded Consoles)
If you are managing your updates manually using NSP files on a modded console, use one of the following tools: Nintendo Switch NSP Combination Install Tutorial