The free version is limited to one planet and no spaceships. Additionally, there is no multiplayer and it is not possible to load games or play scenarios.
Limitations in the free version
No loading of saved games or scenarios
Only one planet and no spaceships
Version 1.25 release notes:
Masterspace update 1.25 has been released. This release fixes the most critical bugs from version 1.2, including the crash at startup and one crash related to terrain modification.
This version also introduces a new player model and character customization system. Around 30 different body and armour parts are included, which may be used in any combination.
The free game installation is upgraded to the full version by running this unlocker (requires login). For a full changelog, see below:
New customizable player model with many different body and armour parts
Fixed crash at startup when the save folder is empty
Fixed crash bug when digging
Fixed bug with no bed spawning in random game
Digging speed is no longer dependent on the frame-rate
Fixed third person camera orientation
Fixed orientation of dynamic entities
Added notification of restrictions in the free version