Ghost of Tsushima: how Sony tackled PS5’s cross-gen save problem

Ghost of Tsushima has been given a proper PlayStation 5 upgrade, increasing resolution, decreasing loading times and removing pre-rendered cinematics for full real-time alternatives. It’s a decent – though not exactly game-changing – upgrade, but what did catch our eye beyond this is how the new PS5 version imports any existing PlayStation 4 game saves you may have on your system. It’s not a completely seamless experience, but the fact is that cross-save now works, allowing you to easily pick up on PS5 where you left off on PS4.

The technical explanation for PlayStation 5’s cross-save issues is fairly straightforward. Up until recently, the PS5 system software has no visibility or access to any PlayStation 4 data on your console, meaning that highly convoluted means were required to move progress from one generation to the next. Essentially, the PS4 version of the game had to be patched to allow game saves to be uploaded to the cloud. Moving over to PS5, the cloud data would then be downloaded and progress could continue. Final Fantasy 7 Remake and Marvel’s Spider-Man Remastered are two good examples of this workaround in action. However, more recent titles including Star Wars Jedi: Fallen Order and now Ghost of Tsushima have allowed for native import of PS4 games.

We had a look at Sony’s SDK roadmap a while back and the concept of allowing PlayStation 5 titles to access PlayStation 4 user data was promised for a future update, which now appears to have rolled out. The first time I loaded Ghost of Tsushima, I disconnected my PS5 from the internet to rule out any potential cloud transfers, accessed the PS4 save game transfer option and discovered that all of my PS4 saves were available – the same saves I generated when I looked at the PS5 60fps patch for the game back in January. In turn, those saves were transferred across from my PS4 Pro using USB storage.

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