Mortal Kombat 1 Players Can Purchase Previously Available Skins by Changing Their Console's Date
The trick only works for PlayStation 5 and Nintendo Switch versions of the game it seems. The Mortal Kombat 1 community is urging players who have missed out on Season 1 skins to not purchase those on the store, but rather, change their console dates to earlier this month to unlock them for free.
Source: gamenguide.com