Click on shop to open up the shop menu. Gain increases how much money you earn every 5 seconds. Click on speed to decrease the time you have to wait bye -0.4 seconds. If you click on build you can see the buildings you can build . In world 1 you can build 1 house which gives you 1 person which can buy from the shop when you build 1. Click on the button that looks like earth and press the arrow to progress to the next place (small town , city , lunar colony). The small town gives you 3 houses 1 shop and a hotel which gives you a vip which gives you 2x the money when he buys from the shop. In the city you get access to an airport which gives you 5,000 money’s per plane . Once you have enough to buy a rocket (open the world menu and click on the rocket) you can go to the moon and do the impossible -end of game-. Hope you enjoy