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Is converting a Watch Dogs save from Wii U to Steam possible?

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Alee

Alee

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Hey, so I just got Watch Dogs on Steam, and I have been playing that game on the Wii U for a while, is it possible to convert the save files to Steam?
 
I don't believe it is possible to do that sadly. From what I can find, there aren't any cloud service things to do that for you. Maybe you could do it through heavy (and I mean heavy) hacks, but you would somehow have to convert a Wii U save to work on Steam and then make sure everything is basically going to work perfectly which doesn't seem likely at all.
 
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If the files that actually contains the the save data are similar enough I don't see why not. It might be possible, I guess I could try to transfer a save to see if it will work.
 
I'm gonna say no as they are two completely different formats and no such converter exists. You may be able to extract the info required but as said earlier, not without a lot of hex editing or proper knowledge.

A long shot but worth a try.... If you have the save file on your pc, try renaming the extension of the file to the steam extension format. I've done this with snes roms in the past between emulators and it woked. I will stress tho that essentially that was the same console i was putting it across to.... ie - same format!
 
the question is if it's little endian or big endian. little endian is byte reversed, so it goes backwards based on the byte. I'm not sure what the wii u is, but I know/think the ps4 is little endian. that's the only system I'm pretty sure on. it's probably possible that way. most saves across platforms are comparable aside from that and whatever security was introduced by the system. wiiu isn't encrypted, saves that is, not sure about steam though.
 
As far as I know I have looked at both of the save files and they seem different

Steam Version:
1646880433586.png



Wii U Version:
1646880472964.png

1646880492768.png
 
I still haven't had a chance to take a look into it yet but I am seeing something that could work that you can try.

Try this:
userdata.dat and rename it 1.save then take savegame.dat and rename that 2.save and then replace the original 1.save/2.save files on your PC with the renamed Wii U save files and see if it will load the game save on the pc.
 
Anomaladox said:
I still haven't had a chance to take a look into it yet but I am seeing something that could work that you can try.

Try this:
userdata.dat and rename it 1.save then take savegame.dat and rename that 2.save and then replace the original 1.save/2.save files on your PC with the renamed Wii U save files and see if it will load the game save on the pc.
Click to expand...
That didn't appear to work :(
It just grays out the continue option
 
I have a feeling that Watch Dogs Wii U is most likely a direct port from the PC version since it's pretty much the same. Though I could be wrong :P

Though I hope the save system is the same from the PC version (and hopefully other consoles though I haven't fully researched on Watch Dogs' save system)
 
godreborn said:
not sure what the wii u is
Click to expand...
Big endian. So:
Anomaladox said:
Try this:
userdata.dat and rename it 1.save then take savegame.dat and rename that 2.save and then replace the original 1.save/2.save files on your PC with the renamed Wii U save files and see if it will load the game save on the pc.
Click to expand...
Can't work. You have to (at least, possibly you also need to remove and/or add some headers/footers) byte-swap the files.
 
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Yeah this is going to be complicated, @Alee I will let you know if I get anywhere with it. So far I am just crashing the game right now with my modified saves.

*Edit* So I no longer crash but it says my saves are corrupted, I am no expert but if the saves need to pass a CRC check to load (which could be likely) then it is definitely above my lowly skillset. I will keep tinkering with it I guess but I probably won't get anywhere.
 
Last edited by Anomaladox,
Anomaladox said:
Yeah this is going to be complicated, @Alee I will let you know if I get anywhere with it. So far I am just crashing the game right now with my modified saves.

*Edit* So I no longer crash but it says my saves are corrupted, I am no expert but if the saves need to pass a CRC check to load (which could be likely) then it is definitely above my lowly skillset. I will keep tinkering with it I guess but I probably won't get anywhere.
Click to expand...
Alright good luck :)
 
Hello everyone. It's been well over two years, but after doing some work on it, I've managed to do it.
I'm writing a small script to automate this work between Wii U and PC versions, but in the meantime I should give the manual steps to do it.
Seems like, the main file we should focus is "2.save" and "savegame.dat"

Open both of these files in a hex editor, like HxD (I would recommend hexed.it for this, but sadly copying bytes over in hexed.it is not practical.)

HxD_bIL3B2cyNj.png
HxD_X45UjbgC2p.png


As you can see, around offset 5B on the Wii U file and offset 2A5 on the PC file is what matters. Copy all the bytes from 5B to the end of the file, go to the PC save and select the 2A5th byte (00), right click and click "Paste insert". Click yes on the filesize warning and you're good to go. Now you can replace the files and end up with...



watch_dogs_HwiBYQ40em.png
2024-07-15_21.54.58.275_DRC.png


I think I'll probably create a new thread once I finish the script. It should be handy for switching gameplay between Wii U and PC constantly.
 
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ruige said:
Hello everyone. It's been well over two years, but after doing some work on it, I've managed to do it.
I'm writing a small script to automate this work between Wii U and PC versions, but in the meantime I should give the manual steps to do it.
Seems like, the main file we should focus is "2.save" and "savegame.dat"

Open both of these files in a hex editor, like HxD (I would recommend hexed.it for this, but sadly copying bytes over in hexed.it is not practical.)

View attachment 447387View attachment 447388

As you can see, around offset 5B on the Wii U file and offset 2A5 on the PC file is what matters. Copy all the bytes from 5B to the end of the file, go to the PC save and select the 2A5th byte (00), right click and click "Paste insert". Click yes on the filesize warning and you're good to go. Now you can replace the files and end up with...



View attachment 447389View attachment 447390

I think I'll probably create a new thread once I finish the script. It should be handy for switching gameplay between Wii U and PC constantly.
Click to expand...
Did you ever find enough time to write that script?
 
The script should be easy to make if the steps work, I will try tomorrow and report back with a script if the process is successful

Edit: it does work 😁 I will try to make a script for the conversion!

Edit 2: Attached is the script that handles this conversion, THANK YOU SO MUCH @ruige for finding the solution!
 

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Last edited by huma_dawii,

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