It's taken us 10 years, covering 6.5 billion km. Now it's up to you...

To avoid disaster, you must release the lander from Rosetta at exactly the right moment. Experiment with Philae's launch controls to see if you can land on Comet 67P.

Set the height. The higher you are, the further you will travel.

Set the speed. The more speed, the faster you will land.