There are three stages: small stages, medium stages and larg stages. You can combine all parts of different size and make a big rocket that you can travel and discover planets further and further. Most interesting part of the game is the ability to build a Space Station in space by attaching every single part that you bring from earth. Size of Space Station is unlimited you can also add controllers to make it controllable. Satellite is another object that you can launch in space. You have many different satellites. The Game has all planets with their moons that exist in our solar system which all of them have different characteristics. Now is time for you to try it!