SNACK in 3 lines
- Nintendo Switch 2 players get clearer visuals and reduced loading times.
- Multiplayer supports five to eight players when the game is played on Switch 2.
- CameraPlay support, Battle Mode Smart Steering, and item-probability adjustments are included.
Editor's note
Editor note: This update is about what changes when existing Mario Kart 8 Deluxe players run the game on Switch 2. It is a version 4.0.0 improvement, not a separate new game announcement.
Version 4.0.0 is now available
Nintendo has released the version 4.0.0 update for Mario Kart 8 Deluxe. This is an update for the existing game rather than a separate release.
When played on Nintendo Switch 2, the game now offers clearer visuals and shorter loading times.
Multiplayer expands to eight players
Mario Kart 8 Deluxe can support five to eight players in multiplayer when played on Nintendo Switch 2. The change gives existing owners another option for larger local play sessions on the newer system.
CameraPlay and gameplay adjustments
CameraPlay is supported when a compatible USB-C camera is connected.
- Smart Steering is now supported in Battle Mode
- Item probabilities have been adjusted
- Race speed increases according to the number of coins held
No separate paid upgrade price listed
The checked Nintendo materials did not list a separate paid upgrade price for version 4.0.0. Existing players can check that their software has been updated to the latest version before playing on Switch 2.
Sources and checked date: Checked on 2026-09-02 KST
- https://www.nintendo.com/us/whatsnew/free-update-now-available-for-mario-kart-8-deluxe/
- https://en-americas-support.nintendo.com/app/answers/detail/a_id/26098/~/how-to-update-mario-kart-8-deluxe
- https://www.nintendo.com/us/store/products/mario-kart-8-deluxe-switch/
- https://www.gematsu.com/2026/09/mario-kart-8-deluxe-version-4-0-0-update-now-available-adds-switch-2-enhancements
- https://www.nintendolife.com/news/2026/09/mario-kart-8-deluxe-has-been-updated-to-version-4-0-0-here-are-the-full-patch-notes
- https://game.watch.impress.co.jp/docs/news/2137507.html
Nintendo’s official update article and Support page were used to verify the version 4.0.0 scope, including Switch 2 visual improvements, reduced loading times, five-to-eight-player multiplayer, CameraPlay, and gameplay adjustments. Unrelated Mario-family images pulled from the store page were removed; only official Mario Kart 8 Deluxe update images are used here.
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