Released Mar 26, 2024 $39.99 Mixed Counts toward your Steam games

Millennia

By C Prompt Games · published by Paradox Interactive

Strategy Turn-Based Strategy 4X Grand Strategy Alternate History Simulation Turn-Based Historical EconomyWarSingleplayerDiplomacy

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Followers —

Reviews 2,986 Mixed

Players yesterday 42 at the busiest moment

Owners 100K–200K estimated

Millennia is a game tagged Strategy, Turn-Based Strategy and 4X by C Prompt Games, released Mar 26, 2024. It has 2,986 Steam reviews (Mixed). It has an estimated 100K–200K owners on Steam. The Steam games most like it include HUMANKIND™ 2, ENDLESS Legend™ 2 and Making History: The Great War.

Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.

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<a href="https://launchrivals.com/games/1268590-millennia"><img src="https://launchrivals.com/games/1268590/badge.png" alt="Millennia launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/1268590-millennia"><img src="https://launchrivals.com/games/1268590/badge.png?theme=light" alt="Millennia launch date" width="320" height="84"></a>

HUMANKIND™ 2 83% match · Strategy, Turn-Based Strategy, 4X
ENDLESS Legend™ 2 83% match · Strategy, Turn-Based Strategy, 4X
Making History: The Great War 83% match · Strategy, Turn-Based Strategy, 4X
Old World 82% match · Strategy, Turn-Based Strategy, 4X
Heroes of Science and Fiction 81% match · Strategy, Turn-Based Strategy, 4X
Field of Glory: Empires 81% match · Strategy, Turn-Based Strategy, 4X
Terra Invicta 80% match · Strategy, Turn-Based Strategy, 4X
Sid Meier's Civilization® IV 80% match · Strategy, Turn-Based Strategy, 4X
Lands of Rumour 80% match · Strategy, Turn-Based Strategy, 4X
HUMANKIND™ 78% match · Strategy, Turn-Based Strategy, 4X

Steam data

Everything Steam lists for Millennia · record updated 22 hours ago

Steam store

Overview

App ID1268590

Release dateMar 26, 2024

Last change number37629683

Last record update22 hours ago

App type: Game
Developer: C Prompt Games
Publisher: Paradox Interactive
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Website: paradoxinteractive.com/games/millennia

Windows 64-bit

Steam Deck: Playable

Single-playerMulti-playerPvPOnline PvPSteam AchievementsSteam CloudFamily Sharing

Prices

Price · US$39.99

On sale0 of 41regions right now

Lowest seen · US$39.99Oct 24, 2026

Checked1 day agoin 41 regions

United Kingdom£GBP

Every price change is kept from Oct 24, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
20214077	public	Oct 3, 2025

Packages & DLC

ID	Name	Price (US)
2647810	Not on the store yet	—
2829670	Not on the store yet	—
2829680	Not on the store yet	—
2829690	Not on the store yet	—
2829710	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
228989	— shared from 228980	Windows	—	—	—
1268591	—	All	6.29 GB	5.47 GB	6642777917903847918
2647810	— DLC 2647810	All	249.0 MB	215.3 MB	8194239366616770741

Branch	Build	Updated	Access
public	20214077	Oct 3, 2025	Open

Configuration

Install foldersteamapps/common/Millennia

Executable	Arguments	Systems	Description
launcher/dowser.exe		All

Space per player953.7 MB

Filesup to 10,000

Save locations0

Achievements

Achievements498 hidden

Most unlocked52.9%Seeds of Faith

Rarest0%Doomsday Machine

Seeds of Faith Start a religion. 52.9%
Dr. Livingstone, I Presume? Complete an Expedition. 39.5%
Age of Heroes Take the timeline into the Age of Heroes. 29.5%
O.G. Start a Faction. 25.1%
Customizer Create a Custom Nation. 20.4%
Age of Aether Take the timeline into the Age of Aether. 15.5%
Better Luck Next Time Lose a game. 14.9%
Age of Monuments Take the timeline into the Age of Monuments. 14.8%
Age of Alchemy Take the timeline into the Age of Alchemy. 14.3%
Age of Discovery Take the timeline into the Age of Discovery. 13.6%
Age of Intolerance Take the timeline into the Age of Intolerance. 12%
Age of Transcendence Win a game via the Age of Transcendence. 10.2%
Age of Utopia Take the timeline into the Age of Utopia. 8.6%
Age of Ecology Take the timeline into the Age of Ecology. 8.6%
Age of Blood Take the timeline into the Age of Blood. 8.4%
Petting Zoo Control both a Mastodon and Smilodon simultaneously. 8.3%
Age of Visitors Take the timeline into the Age of Visitors. 7.4%
Age of Departure Win a game via the Age of Departure. 7.1%

All 49 achievements

I Am Become Death Complete the Manhattan Project. 6.1%
Abundance Have a Farm on a Lush Wheat tile. 6%
Time To Die Win a game by being the last remaining Nation. 5.4%
Age of Archangels Win a game via the Age of Archangels. 5.3%
Fast Times Win a game by turn 200. 5.3%
Age of Harmony Win a game via the Age of Harmony. 4.7%
Mainline Timeline Reach the Age of Information with only Standard Ages in the timeline. 3.7%
Age of Plague Take the timeline into the Age of Plague. 3.6%
Hard Time Win a game against at least 3 Master AIs. 3%
Age of Conquest Win a game via the Age of Conquest. 2.9%
Age of Atom Take the timeline into the Age of Atom. 2.8%
Age of Dystopia Take the timeline into the Age of Dystopia. 2.7%
Age of Ignorance Take the timeline into the Age of Ignorance. 2.1%
Age of Generals Win a game via the Age of Generals. 1.6%
Age of Heresy Take the timeline into the Age of Heresy. 1.4%
Out of Time Win a game by reaching the turn limit. 1.2%
Glitch #1 Hidden achievement 0.8%
Age of Old Ones Hidden achievement 0.7%
Age of the Singularity Win a game via the Age of the Singularity 0.7%
Age of Wasteland Take the timeline into the Age of Wasteland. 0.7%
Glitch #2 Hidden achievement 0.6%
Glitch #3 Hidden achievement 0.6%
Glitch #4 Hidden achievement 0.5%
Network Coverage Have 4 Tambos. 0.5%
Glitch #5 Hidden achievement 0.4%
Glitch #6 Hidden achievement 0.4%
True Ending Hidden achievement 0.4%
Age of Wasteland (Victory) Win a game via the Age of Wasteland. 0.4%
Undeterred Launch an ICBM while in Age of Wasteland. 0.3%
Give Peace A Chance Host a Peace Convention. 0.1%
Doomsday Machine Use a Retaliatory Strike. 0%