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This medal is awarded to games which have received perfect scores from the WSGF for their 4K UHD support, and are 4K UHD Certified.

Deus Ex: Mankind Divided

Deus Ex: Mankind Divided is a cyberpunk-themed action role-playing stealth video game developed by Eidos Montreal and published by Square Enix. Set two years after Human Revolution, Mankind Divided features the return of Adam Jensen from the previous game, Deus Ex: Human Revolution, with new technology and body augmentations.
Quote: Wikipedia

Abzû

Gesundheit, little diver. Explore an otherworldly place populated with familiar marine species, master swimming tricks and lose yourself in the ecosystem in this contemplative adventure.

Inside

Boy runs for his life in the bleak night of a brutal world. A horrific yet empowering tale told through minimalistic art style and streamlined controls by the creators of Limbo.

No Man's Sky

No Man's Sky's gameplay is built on four pillars — exploration, survival, combat, and trading. Players are free to perform within the entirety of a procedurally generated deterministic open universe, which includes over 18 quintillion planets, many with their own sets of flora and fauna. By exploring, players gain information about the planets that they can submit to the Atlas, a universal database that can be shared with other players of the game. Players get compensated in in-game currency every time new information is uploaded to The Atlas.

Dangerous Golf

Half demented pinball machine, half FleX tech demo, this one has little to do with actual golf - but even less so with other golf games. And that's fine.

Slime Rancher

Slime Rancher is an indie open world first person life simulation game video game developed and published by Monomi Park. The game was released on Steam Early Access on January 14, 2016, with a full release planned on Microsoft Windows, OS X and Linux later in 2016, and an Xbox One release at a later date.

Killing Floor 2

Killing Floor 2 is a first-person shooter video game developed by Tripwire Interactive. It is a sequel to the 2009 video game Killing Floor.6-player co-op Zed-slaughtering mayhem.

The Old City: Leviathan

From Steam:

The Old City: Leviathan is an experiment in first person exploration that focuses entirely on story. All that exists is you and the world. Set in a decaying city from a civilization long past, The Old City: Leviathan puts the player in the shoes of a sewer dwelling isolationist.

Hard Reset Redux

An action-focused and hardcore single-player shooter which embraces the paradigmatic qualities that the genre has it offer. It includes over-the-top destruction, myriads of enemies, weapon variety, a challenging campaign and a cyberpunk setting.

Doom (2016)

Doom (stylized as DOOM and originally known as Doom 4) is a first-person shooter video game developed by id Software and published by Bethesda Softworks. The game is a reboot of the Doom series and is the first major installment in the series since the release of Doom 3 in 2004. (Source: Wikipedia)