My PC blue screened while playing a steam game.
After I rebooted the PC, one of the hdd disappeared and when I go to disk management, it tells me disk0 needs to be formatted before it can be used.

What tools can I use to attempt to restore the NTFS volume that was on the disk before crash?
Let's assume the best case -- that a few sectors identifying the NTFS volume was overwritten.

I have a recent backup of that drive so it's not too tragic. But I want to take the opportunity to learn to recover the data.

OS: windows 10 64 bit

I use DMDE for that sort of things. First make sure the drive's healthy (SMART) and be aware that doing in-place repairs is always risky.

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Joep - http://www.disktuna.com - video & photo repair & recovery service

I had more than once success with https://www.cgsecurity.org/wiki/TestDisk

Read the manual and be careful with every step. Having backup is a must! It's possible that the disk died in the exact moment and triggered the blue screen.

Try DMDE. I think you will find that it is much more capable and much easier to use than TestDisk.

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A backup a day keeps DR away.

Thx, bookmarked and I will check it out.