Single-player games like Sid Meier's Civilization IV: Colonization
Below are 16 single-player Steam games similar to Sid Meier's Civilization IV: Colonization, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Sid Meier's Civilization IV: Colonization page.
Ranked picks
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Civilization IV: Beyond the Sword
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Sid Meier's Civilization IV®: Beyond the Sword is the second expansion pack for Civilization IV - the 2005 PC Game of the Year that has become a worldwide hit.
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Sid Meier's Civilization® IV
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
With over 6 million units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest PC game franchises of all-time. Now, Sid Meier and Firaxis Games will take this incredibly fun and addictive game to new heights by adding new ways to play and win, new...
- 3

Sid Meier's Colonization (Classic)
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required.
The New World lies before you with all its peril, promise and infinite possibility. Your colonists anxiously follow you to shore. The treasures of an entire continent await you.
- 4

Old World
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?
- 5

Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
- 6

Master of Orion
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
- 7

Workers & Resources: Soviet Republic
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
- 8

Age of Wonders: Planetfall
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
- 9

Sid Meier’s Civilization® VI
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?
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Sid Meier's Civilization® V
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
- 11

XCOM® 2
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.
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Sid Meier's Civilization VII
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
The award-winning strategy game franchise returns with a revolutionary new chapter. Sid Meier's Civilization® VII empowers you to build the greatest empire the world has ever known!
- 13

XCOM: Enemy Unknown
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
- 14

XCOM®: Chimera Squad
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.
- 15

Marvel's Midnight Suns
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
FIGHT AND STRATEGIZE LIKE A SUPER HERO IN THE DARKER CORNERS OF THE MARVEL UNIVERSE. Play as The Hunter, a legendary demon slayer who must lead a team of Super Heroes and supernatural warriors facing apocalyptic threats.
- 16

Sid Meier's Civilization®: Beyond Earth™
Single-player alternative to Sid Meier's Civilization IV: Colonization — playable solo, no multiplayer required. Shares Strategy with Sid Meier's Civilization IV: Colonization.
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.