The image up there is from a viral video of a special version of Doom called Voxel Doom which, as the name suggests, converts classic Doom so that it makes use of voxels instead of flat 2D sprites.

But not just any Doom. Voxel Doom, where every dot of the game’s graphics lives in 3D space, just like the dots of the volumetric display he’s created. As he explains on YouTube, the physical ...