Reference article
Duck Life: Space Editions
Space editions differ in controls, shop access and the route after Freez.
Controls
Keyboard and mouse controls and touchscreen controls are listed on each training guide.
Browser shops
Some browser editions restrict access to full-game shops. The availability of specific online features depends on the edition.
Training limits
Training earns skill experience. The training caps rise from 20 on Earth to 40 on the Moon, 60 on Mars, 80 on Terra and 100 on Freez.
Freez route
An older route includes an Alien Duck race after Freez; the current adventure continues straight to Pyro.
Ending
Recover the crown in 
Final Crown Race to complete the adventure. The crown then becomes available at 
Pyro Shop.