Translated from the German text on the publisher's website:
The expansion contains a rulebook and a single game piece.
The Supernova adds extra uncertainty to the game. If a star becomes a supernova the possession ratios are lost and it is played again.
Counting the supernova: at end of the game every possession marker gets you as many points as elements of the same color are present. It is not about possession ratio. Every possession marker counts.
Expansion for Base-game
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