Doom - OpenGL
Absurdly violent and increasingly gruesome at every turn. It's fast, it's frantic, it's Doom. A game that needs no introduction to PC enthusiasts, this 2016 reboot brings hell's evil forces to life with updated visuals and is without a doubt one of the most eagerly anticipated launches in years.
Here's an insider's guide on how to use the Titan X. Get a 4K panel, stick all the options to maximum, and then play.
For what it's worth, recent updates to drivers and the game makes AMD get closer to Nvidia at the higher resolutions.