: A new "Soul Melter EX" hardest difficulty level was added to this boss-rush mode.

If you are updating from an older version, these are the significant content additions included in the base 4.0.0 content:

While the version number on the software's title screen may still show as , the Options menu on the Home Menu will reflect 4.0.0a once the update is applied. Key Features from Major Updates

Watch the official trailers to see the new Dream Friends and modes added in these free updates:

The latest official update for on the Nintendo Switch is Version 4.0.0a , released on June 4, 2025. This update was primarily designed to optimize the game for play on the Nintendo Switch 2 , implementing several adjustments to improve the gameplay experience on the new system.

: Added Magolor, Taranza, Susie, and the Three Mage-Sisters as playable characters.

: New pictures to complete by collecting Picture Pieces.

: A new "difficult" mode that becomes available after clearing Story Mode, featuring harder versions of bosses.