What's this about?
Mollick told Codex — with access to Blender (3D modeling) and Unity (game engine) — to make a game where an otter pilots animal-shaped mech suits. It took over the computer and produced the game, assets included.
What exactly is the significance vs. a code demo?
Web-page demos live in one file and one runtime. This spans a professional *toolchain*: modeling assets in one app, importing to an engine, wiring gameplay. Multi-application orchestration is what most real creative and engineering work looks like.
Why does it matter?
51 likes — small reach, notable content. It extends "agents do computer work" from browsers and terminals into heavyweight creative software, the same week Cursor and Claude wired agents into office suites.