That's the understatement of the year. Check out

- 2nd Reality: at a time when Doom-style graphics were awesome

- 8088MHz: getting 1024 colours out of a CGA adapter (which is made to output 4 colours)

- 1K (or was it 64K?) demos that involve flying over procedurally generated (close to) photorealistic landscapes

The demo scene pushes the brink of what's technically possible. Or just ignores it and goes way beyond what everyone thought possible.