You are a little lander crushed by the immensity of space and your mission is to land on the majestic moon, source of humanity's phantasms for millennia.
The mission is not simple, your little spaceship is attracted by the lunar gravity and if you go too fast, you will crash on the surface, simply.
You will need all your skill using the thrusters to land with all the grace that any good astronaut has to show.
Good luck! The future of humanity in space is now in your hands.