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Sid Meier's Alpha Centauri™ Planetary Pack

StrategyPCSolo · MultiplayerBuy · from $4.99

About this game

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

Last checked 8 Nov 2026

Available since (your time)
Player receptionVery Positive90% positive · 610 Steam reviews ↗

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Sid Meier's Alpha Centauri™ Planetary Pack

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

Player reception: Very Positive · 90% positive · 610 Steam reviews

Available on Steam (PC) — Buy · from $4.99, checked 8 Nov 2026.

More about Sid Meier's Alpha Centauri™ Planetary Pack

Sid Meier's Alpha Centauri Planetary Pack features the original Alpha Centauri and Alien Crossfire expansion. Players colonize space through seven unique factions, each with distinct agendas and leaders. The game emphasizes tactical unit design, balancing speed, power, and toughness. Factions feature custom AI models that simulate human-like strategic opponents. Core gameplay involves managing diverse ethical perspectives and exploiting faction weaknesses to achieve dominance in the sci-fi setting.

Availability historyPast official availability changes
  • SubscriptionXbox · PC · Console · 31 Oct 2026
  • BuyGOG · PC · 24 Sep 2026
  • BuySteam · PC · 8 Oct 2026