Sidereal Confluence: Proliferation (expected in stock on 21st July)

With the Sidereal Confluence: Proliferation card pack, you can add new colonies and real-time bidding to the acclaimed negotiation and engine-building game.

These advanced colonies increase in value as the game progresses, opening up new strategies for even the most experienced players, and new bidding mechanics speed up the game while providing new avenues to negotiation.