Neogaf screenshot thread full of high resolution 4k screenshots.
http://www.neogaf.com/forum/showthread.php?t=1329662
I know this is technically /hr/ but these can be used as wallpapers.
SHOULD be used as wallpapers.
First image was from Quantum Break.
These two are from Mirrors Edge Catalyst.
More Mirrors Edge
>>6898484
I know 1080 isn't exactly considered Hi-rez anymore, but I can't get Halo 3 screenshots at a higher resolution.
>>6900027
>>6900029