Demo "In the Shadow of the Thomson" presented at the Forever-Party - Horna-Suca 2019 that demontsrates the gfx&sound capabilities of the TO7/70 (usual gfx are dumb, and sounds are just various beeps for many games). Ranked 3rd. (Hidden part hind below)
This version was recorded on an emulated TO8D but can run on any TO7/70-compatible computer.
.HINT FOR HIDDEN PART (at 13:12): Press P to pause the demo (screen border turns red), then press T O 7 and enjoy.