File this under S for "Shocking," but it turns out that Forza Horizon 5 has a Microsoft Account requirement on PlayStation 5. A few weeks ago, we revealed that Forza Horizon 5 was set to be the next Xbox exclusive making the jump to PlayStation,

When Forza Horizon 5 arrives on PlayStation, it will require a Microsoft account to play, it’s been revealed. The game, which will be crossplay on all platforms and contain all of the content from both the Xbox and PC versions of the game, will require an extra account linking process from PlayStation players.

Forza Horizon 5 on PS5 requires a Microsoft account in addition to a PSN account. Progress from Xbox or PC versions won't transfer to the PS5 version. No cross-progression, but PS5 players can access UGC from other platforms.