In the near future, the home delivery restaurant chains face a stiffening competition where everything is allowed. The flourishing moon bases also need their fresh pizzas, and it's up to you to deliver them before the bonus time ends. However, the other fast food chains try to make you lose valuable time as they try to obstaculize your run using any means at their reach.

And that's my theory about why in the famous game "Moon Patrol" you had to cross half the moon facing hostile forces, craters and moon-rover eating plants: to deliver a pizza.