I have Steam version of L4D2, why Raptr did not add L4D2? I can't use GVR at this time.
There are way to to this? even manually added game, Left 4 Dead 2 are missing!
It detect missing game after I transfer Steam to new HDD, then it's gone... What The HELL?
We can continue trying to troubleshoot this issue in a ticket. #10959 for your reference.