Supreme Ruler Century Collection PC
Region — Works worldwide — no region restriction.
Can be activated in United States
WindowsBuy Supreme Ruler Century Collection key
Includes Supreme Ruler The Great War stand-alone, Supreme Ruler Ultimate, and Supreme Ruler Great War DLC. Supreme Ruler The Great War together with Supreme Ruler Ultimate will let you play the modern era of human history, from 1914 well into the 21st century. Start a Campaign, Sandbox or Scenario as any nation from your choice of dozens of pivotal points of the past century.
How to activate Supreme Ruler Century Collection on Steam
- 01
Buy & receive your code
Complete checkout — your code lands in your inbox in ~30 seconds, and is always available under Orders in your Gameplug account.
- 02
Open Steam
In the desktop client: top-left menu "Games" → "Activate a Product on Steam…" (or use the web link below).
- 03
Enter your key
Paste the key (format XXXXX-XXXXX-XXXXX) and accept the Steam Subscriber Agreement.
- 04
Install & play
The game joins your library permanently — install it on any machine you sign in to.
Code not working? Contact support — confirmed-invalid codes are replaced or refunded.
Supreme Ruler Century Collection system requirements
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