Imperium: Aeternum Emperor

Claim your throne. Rule an empire without end.

✅ Everything unlocked from the start
✅ No ads. No waiting. No interruptions.
✅ Includes everything from Imperium: Aeternum Wars — and more
✅ Play an EXCLUSIVE bonus faction: the Umbral Court
✅ No data collected. Complete privacy.

Imperium: Aeternum Emperor is the definitive offline 4X grand strategy game set in the Imperium Sine Fine universe. One payment. No limits. Your eternal reign begins now.

THE COMPLETE EXPERIENCE
Access all content and features from your very first session. No grind, no paywalls, no interruptions — ever.

COMMAND ALL 14 FACTIONS
Lead every faction in the game, including the exclusive Umbral Court — masters of shadow and stealth, available only in Emperor.

BUILD YOUR EMPIRE
Master a deep economy, manage vital resources, and construct strategic outposts to fuel your global conquest.

RESEARCH POWERFUL TECHNOLOGIES
Unlock decisive advances in warfare, economics, and logistics to outpace every rival.

MASTER DIPLOMACY & TREACHERY
Forge alliances, issue ultimatums, and broker treaties — or break them. Every choice reshapes the world.

LEAD GENERALS & GOVERNORS
Appoint skilled commanders and shrewd governors. Develop their unique traits to build an unstoppable empire.

COMMAND LEGENDARY ARMIES
Deploy and customise forces from all 14 factions. Dozens of unique troop types. Endless strategic depth.

PLAY OFFLINE, ANYTIME
No internet required. A complete premium grand strategy experience on your schedule.

PRIVACY FIRST
Emperor collects no personal data and shares nothing with third parties. Your campaign stays yours.

BUILT FOR STRATEGY LOVERS
Imperium: Aeternum Emperor rewards careful, long-term thinking. Download the official Game Rulebook from www.imperium-aeternum.com before your reign begins.

EXPAND YOUR WORLD WITH THE SCENARIO EDITOR
Download Imperium: Aeternum Creation — the official standalone map and scenario editor — to design your own custom maps and campaigns and import them directly into Emperor.

Join the community on Discord: https://discord.gg/5HTJq2GHuc

The throne is yours. Begin your eternal reign.

Recent changes:
Welcome to the Flavia update of Imperium: Aeternum Emperor! Export & import save games to back up your campaigns. Play scenarios created in Imperium: Aeternum Creation for a whole new strategic experience. Army naming overhauled — every name in the list gets used. Empire spirit abilities now display correctly in the army view. Diplomacy fixes and performance improvements included. Changelogs & rules: https://www.imperium-aeternum.com/. I hope you enjoy this grand strategy game!