I'll update it as others come in:
- Assassin's Creed: The Ezio Collection (Native 4K@30FPS)
- Battleborn (Native 4K@30FPS)
- Bound (Native 4K@60FPS + MSAA x2 upscaled from MSAAx8 in normal gameplay / in VR mode: rendering to 4K internal screen which is then supersampled to 1080P display in PSVR + new effects like volumetric lights + sharper shadows)
- Bulletstorm: Full Clip Edition (Native 4K)
- Diablo III: Reaper of Souls - Ultimate Evil Edition (Native 4K (dynamic resolution: 2160p in normal scenes, 1080p in heavy scenes)@60FPS / improved ambient occlusion + enhanced bloom)
- Farming Simulator 17 (Native 4K)
- FIFA 17 (Native 4K@60FPS + Higher resolution depth of field buffer)
- forma.8 (Native 4K@60FPS + 8xMSAA )
- Futuridium EP Deluxe (Native 4K@60FPS)
- Hatsune Miku - Project DIVA - X HD (Native 4K / Video quality of 3D drawing is enhanced)
- Here They Lie (Native 4K + Better shadows, post-processing effects, dynamic flashlight shadows, and ambient occlusion + HDR)
- Hustle Kings (Native 4K)
- Kingdom Hearts HD: Dream Drop Distance (Native 4K@60FPS)
- Kingdom Hearts 1.5 + 2.5 HD Remix (Native 4K@60FPS)
- Locoroco (Native 4K + HDR)
- Mantis Burn Racing (Native 4K@60FPS / Native 4K@30FPS for 4 player split-screen / + HDR)
- Middle-earth: Shadow of Mordor (Native 4k (most of the times but scales down to 80% of it which is 3072 x 1728 in heavy scenes) @30FPS)
- MLB The Show 17 (Native 4K)
- NBA 2K17 (Native 4K@60FPS + HDR)
- Neon Chrome (Native 4K@60FPS)
- Ni-Oh (Native 4K@30FPS + slightly higher resolution shadow maps)
- Paladins (Native 4K (dynamic resolution: lowest recorded res: 3264x1836) @60FPS)
- Parappa The Rapper (Native 4K + HDR)
- Patapon (Native 4K + HDR)
- Pro Evolution Soccer 2017 (Native 4K@60FPS)
- Resogun (Native 4K(geomtery rendering)@60 FPS + HDR)
- Rez Infinite (Native 4K@60FPS)
- Smite (Native 4K(dynamic resolution)@60FPS)
- Tethered (Native 4K@60FPS)
- The Elder Scrolls Online (Native 4K@30FPS + HDR)
- The Elder Scrolls V: Skyrim Special Edition Edition (Native 4K@30FPS)
- The Last Of Us Remastered (Native 4K@30FPS with the best shadows + HDR)
- The Witness (Native 4K@30FPS + 2xMSAA + HDR)
- Thumper (Native 4K@60FPS)
- Viking Squad (Native 4K@60FPS + 2xMSAA)
- WipEout Omega Collection (Native 4K@60FPS + 4x8 EQAA if motion blur is disabled)
- Wheels of Aurelia (Native 4K@60FPS)
The PS5 Exists.
