Run a family empire by each fulfilling your own role as well as possible, by placing dominoes strategically for yourself or others.
Design a theme park of dominoes together, but with the queues and attractions that score you the most points.
Build a pyramid of cards that delivers the right medicine to the right patients. Do it with everyone else, but finish before anyone else.
Place post offices to send letters to the people. A simple puzzle to bring people together.
You're cowboys shooting bullets simultaneously, which means collisions might occur, which means you might just shoot yourself.