The cats have to get from their spaceship into their new home, represented by a gray marble building.
You can create new ground by clicking on the lower left symbol and drawing on the screen with your mouse. Select the other symbol for the erase mode.
Check out also my other games at http://scratch.mit.edu/studios/256825/
Inspiration taken from Lemmings and Miners4k.
Music 'Time Machine' by George Dragon under Creative Commons.
Update 2013-11-10: New level: "Maze"
Update 2013-10-24: New levels: "Miners" and "Siege"
Update 2013-10-18: Added another two levels
Update 2013-10-15: New levels, better graphics, faster cats ;-)