I think the whole shift system is having crazy issues with expiring codes when they're supposed to. Many of the codes @DuvalMagic is tweeting out aren't available when he says they will be and are expiring too early.
--DigitallyBorn (talk) 08:37, 4 October 2019 (EDT)
Verification[edit]
I personally tested EVERY code on an account linked to both Steam and Epic and verified working and non-working codes for these platforms as of 2023.03.22