Looks like @RockstarGames secretly teased GTA 6's big trailer reveal a few months ago with the "ONEDAYWILLREVEALALL" t-shirt in GTA Online.
— Michael (@LegacyKillaHD) December 3, 2023
It featured a bunch of numbers on it but as one GTA Forums user noted back in October, there was a notable number sequence of "12523" on it pic.twitter.com/s3YvSeLw8T