Version 1.2.0

Version 1.2.0 is an update to Super Mario Odyssey that was released on February 21, 2018. In terms of gameplay, the update introduced Luigi's Balloon World, as well as various new outfits to purchase and Luigi hint arts to find (both of these were rolled out slowly over time). The update also included a large number of glitch and exploit patches. Because of these patches, version 1.2.0 is the slowest version of the game for nearly all categories, being slower than its predecessor 1.1.0 and all previous versions due to the patches, as well as slower than its successor 1.3.0, which features faster loading times but no further patches.

Game cartridges can be found with a base version of 1.2.0, meaning it is possible to obtain this version with a factory reset if one owns such a cartridge. However, since the latest version, 1.3.0, is identical except for having faster loading times, there is virtually no reason for one to obtain a working copy of 1.2.0.