Yes, even classic video games from the paleolithic period of electronic entertainment are not save from Steampunks turning them into clockwork devices, as the following video adequately demonstrates:
The Pactuator: a clockwork Pac-Man from Jonathan M. Guberman on Vimeo.
Very intersting. I would have liked it even better if a ghost would have swooped in from the right, even if it had just been a very small one. But who knows, maybe a 1.4 or 2.0 version of this Steampunk pacman is already in the works somewhere.
And lest I forget, there is also Steampunk pacman jewelry:
Steampunkpacman Charms by *pongojam on deviantART