Sidereal Confluence: Proliferation

2026 · Expansion for Base-game

Sidereal Confluence: Proliferation

Expansion for the base game that integrates with the existing setup and with the optional Bifurcation module. Introduces 42 advanced colony cards used in rounds 2–5 to keep colony purchases relevant across the game. Adds new cards and a real-time bidding mechanism that changes how players acquire goods and deals during auctions.

Players
3–9 best 9
Playing time
120–160 min
Age
10+
Complexity
3 / 5
from $16.49Science FictionEconomic

Game facts (players, playing time, age, credits) from BoardGameGeek.