Death Stranding Director's Cut will have an upgrade path for PS4 owners, as well as support for 'cross-save' save transfer functionality.
How to transfer your Death Stranding save file to Director's Cut
Death Stranding (2019), PS4 Game
DEATH STRANDING DIRECTOR'S CUT on Steam
DEATH STRANDING DIRECTOR'S CUT: Beginner's Guide
Death Stranding save transfer to PS5's Director's Cut explained
Death Stranding save transfer to PS5's Director's Cut explained
How to transfer your Death Stranding save file to Director's Cut
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Death Stranding Director's Cut – PlayStation 5
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Death Stranding Director's Cut: How to transfer your save file from PS4