The title says it all really, I thought some of you would like this:
The simulation runs on a virtual machine.
P.s. I found this via the nomination list for Tiny Awards, which is a celebration of the small, random parts of the internet. Other gems this year include this (free!) tabletop game simulator (includes Uno!) and this website that tells you if you need an umbrella. The full list is a delight if you fancy a browse.