This the Stone Giant. This demo was recorded in "only" 6336x3564. It refused to start in 6372x3584 or 6368x3582 and switched to that the next lower resolution where X and Y can be divided by 4 and is still 16:9 at the same time.
The video on Youtube
Screen shots in full 6336x3564 resolution, with wireframe shots, 520 MB.
They are provided "as original as they are", no color correction or contrast altering.
2880x1620 60 fps "Retina" downscaled video, 800 MB.
Recommended for most users, needs a fast dual-core CPU.
3840x2160 60 fps downscaled video which keeps the 16:10 ratio, 1.8 GB.
Recommended for fast PC's with an extra graphics card.
6336x3564 60 fps video, 7.4 GB. Even I can't play it perfectly, and I DO run highly overclocked.
Five month later: Here are 15K screen shots, 15360x8640 pixel, or simply 132 Megapixel.
A close-up what 15k actually means, combining the first four 15k shots.
Next close-up of the last shots..