PCGame

Sid Meier's Alpha Centauri™ Planetary Pack

Turn-based sci-fi strategy with rival factions and custom units

Firaxis Games · Published by Electronic Arts · Released Mar 7, 2024

Strategy

Reviews
Very Positive
91% of 632
Recent reviews
Very Positive
100% of 10 in 30 days
Players
37
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
2 years ago
Mar 1, 2024
Minimum PC
DirectX 9 GPU
0.5 GB RAM · 0.6 GB disk
Full requirements

What is Sid Meier's Alpha Centauri™ Planetary Pack?

This is a turn-based 4X strategy game set during humanity's colonization of an alien planet. You lead one of seven factions with its own agenda and design units by balancing speed, power, and durability as you compete for control.

For you if...

  • +you like turn-based strategy with distinct faction agendas
  • +you enjoy tailoring unit designs to tactical needs
  • +you want science fiction with philosophical themes

Not for you if...

  • −you prefer real-time play over turn-based strategy
  • −you want a historical setting rather than science fiction

What players say

91% of 632 reviews are positive · 100% of 10 in the last 30 days

Players praise the faction writing, philosophical themes, and atmosphere. Their main complaint is crashes on Windows 11, especially in Alien Crossfire; several link the problem to a Windows update.

Players over time

▼ -38% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 67 players on Oct 11, 2026.

Show the data
DayPlayers
Nov 7, 202637
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Sep 25, 202648
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Sep 23, 202636
Sep 23, 202642
Sep 22, 202660
Sep 21, 202657

Screenshots and trailer

Sid Meier's Alpha Centauri™ Planetary Pack screenshot 1

Sid Meier's Alpha Centauri™ Planetary Pack system requirements

Minimum: DirectX 9 GPU, 0.5 GB RAM, 0.6 GB of disk space.

As published by the developer.

Can my PC run Sid Meier's Alpha Centauri™ Planetary Pack?

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Minimum

OS
Windows XP / Vista / 7 / 8 / 10
Processor
1.8 GHz
Graphics
3D graphics card compatible with DirectX 9.0c
Memory
512 MB RAM
Storage
600 MB available space
DirectX
Version 9.0c
Notes
Requires a monitor that supports a minimum resolution of 800x600

Recommended

OS
Windows XP / Vista / 7 / 8 / 10
Processor
1.8 GHz
Graphics
3D graphics card compatible with DirectX 9.0c
Memory
512 MB RAM
Storage
600 MB available space
DirectX
Version 9.0c
Notes
Requires a monitor that supports a minimum resolution of 800x600

Does Sid Meier's Alpha Centauri™ Planetary Pack have co-op or multiplayer?

Yes: PvP LAN. It also has a single-player mode.

Does Sid Meier's Alpha Centauri™ Planetary Pack run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some text entry requires manually opening the on-screen keyboard
  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Steam features
Cloud saves, Family Sharing
Languages
Full audio: English.

Does Sid Meier's Alpha Centauri™ Planetary Pack use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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