Quoted from pinfixer:I personally think Dave Christensen's masterpiece is Voltan. To tie it into other recent threads it's rare but my opinion is it's the worst playing Bally of the early Solid State era.
That's the reason why it never went into serial-production because Test-Samples didn't earn much money.
But just for good looks, it's one of the best ever.
I'm not able to name a specific game, but the best-looking game ever should ba Christensen-Design.