Technische Universität Darmstadt
The only game for 2 - 12 players at once, no matter what you play on.
All you need is a single smartphone, keyboard, tablet, gamepad...
12 orbits is friendly, competitive and a little chaotic. It is simple enough to teach to a group quickly, but varied and deep enough to keep them entertained for a long time.
Don't think this can work?
Try it for free on iOS and Android, or for PC, have a look at the user reviews on Steam.