1. Some artifact systems can be unlocked when you upgrade the Command Center or use the Artifact System activation module. -> Some artifact systems can be unlocked when you upgrade the Command Center
2. All artifacts can be combined up to 15 levels. -> 10 Levels
3. An artifact can be obtained by analyzing unidentified artifacts obtained from space pirates, wanted pirates, pirate bases, dimension rifts, or opening artifacts using an opening capsule.
-> An artifact can be obtained by analyzing unidentified artifacts obtained from wanted pirates, Alien fleets, dimension rifts, or opening artifacts using an opening capsule.