Nintendo has released Mario Kart World Update 1.2.1, a smaller patch aimed at resolving a specific issue in Time Attack. The update fixes a bug where selecting “Race Against Ghost” or “View Replay” immediately after downloading a ghost would sometimes load a different ghost than the intended one.
As with all updates, downloading version 1.2.1 is required for online play. Players running older versions will not be able to use Local Communication or LAN Play with those on the latest update. This minor patch follows the larger 1.2.0 update that introduced new rules, gameplay options, and a wide range of fixes.
Full Patch Notes
Bug Fixes
- Fixed an issue in Time Attack → View Rankings where selecting Race Against Ghost or View Replay immediately after downloading a ghost would sometimes play a different ghost than the one that was downloaded.
Online Requirement
- The latest update data is required to access online features.
- Downloading Ver. 1.2.1 will make Local Communication and LAN Play unavailable with users running Ver. 1.1.2 or earlier.
Mario Kart World is a 2025 kart racing game developed by Nintendo for the Nintendo Switch 2. It features an open-world design, elimination modes, off-roading mechanics, and support for up to 24 players. The game released on June 5, 2025, as a launch title for the Switch 2 and has sold over five million copies worldwide.
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