For a better experience on your device, try our mobile site.
Get Go CBBC on your earth twerp devices
Can you beat The Levels of Ludus?
Get the free app to play along with Ludus!
Find out more about the Ludus app
Ludus has taken the friends and family of three children into space! Can the contestants rescue their friends from the super villain? Don't forget you can play along using your mobile or tablet.
Sign in with your BBC iD, or Register