Firaxis Games is a computer game developer. It was founded in 1996 by Sid Meier, Jeff Briggs, and Brian Reynolds upon leaving Microprose. The company focuses on strategy games and is based in Sparks, Maryland in the United States. Firaxis has produced several games, including Gettysburg and Antietam, based on their namesake famous American Civil War battles, and Sid Meier's Alpha Centauri, a space colonization game taking place in the Alpha Centauri star system. In early 2000, co-founder Brian Reynolds parted with Firaxis to form his new studio, Big Huge Games. Firaxis Games then went on to release Sid Meier's SimGolf, a golf course building/management game. Perhaps their most popular releases have been Civilization III, and later Civilization IV, sequels to Meier's original Civilization game.

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Civilization V
Civilization V

1. Civilization V

1 week ago Released Sep 2010 Single & Multiplayer Turn Based Strategy

Strive to become Ruler of the World by establishing and leading a civilization from the dawn of man into the space age, waging war, conducting diplomacy...

XCom: Enemy Within
XCom: Enemy Within

2. XCom: Enemy Within

2 months ago Released Nov 11, 2013 Single Player Turn Based Strategy

This standalone expansion introduces new maps and missions, new tactical and strategic gameplay, and new multiplayer content providing a fresh new gameplay...

Civilization IV: Beyond the Sword
Civilization IV: Beyond the Sword

3. Civilization IV: Beyond the Sword

5 days ago Released Jul 2007 Single & Multiplayer Turn Based Strategy

Focusing on the time periods after the invention of gunpowder. It will deliver 12 unique and challenging scenarios created by the development team at...

Sid Meier's Pirates!
Sid Meier's Pirates!

4. Sid Meier's Pirates!

1 year ago Released Jul 2005 Single Player Real Time Strategy

Sail the Caribbean, marauding all on the high seas or ally your ship and crew as a privateer in search of riches - the life you choose is up to you. Face...

Sid Meier's Railroads!
Sid Meier's Railroads!

5. Sid Meier's Railroads!

3 years ago Released Oct 2006 Single & Multiplayer Realistic Sim

Combining the best of real-world and model railroads, Sid Meier's Railroads! puts you in charge of building the greatest rail empire in the nation - managing...

Civilization IV: Colonization
Civilization IV: Colonization

6. Civilization IV: Colonization

1 year ago Released Sep 2008 Single & Multiplayer 4X

Sid Meier's Civilization IV: Colonization is a remake (a total conversion using Civilization IV engine) of the 1994 turn-based strategy game Sid Meier's...

XCOM: Enemy Unknown
XCOM: Enemy Unknown

7. XCOM: Enemy Unknown

2 months ago Released Oct 2012 Single & Multiplayer Turn Based Tactics

Threatened by an unknown enemy, the Earth’s governments unite to form an elite paramilitary organization, known as XCOM, to combat this extraterrestrial...

Civilization IV
Civilization IV

8. Civilization IV

3 years ago Released Oct 2005 Single & Multiplayer Turn Based Strategy

Rule throughout time and create your own legacy as you guide your civilization from the dawn of man through the space age and beyond. Implement new technologies...

Civilization III
Civilization III

9. Civilization III

3 years ago Released Oct 2001 Single & Multiplayer Real Time Strategy

The third in a series of games that has gradualy evolved as Civilizations themselves do, Civilization III draws on the history of Civilization I & II...

Sid Meier's Civilization: Beyond Earth
Sid Meier's Civilization: Beyond Earth

10. Sid Meier's Civilization: Beyond Earth

11 months ago Released Oct 24, 2014 Single Player 4X

A new science-fiction-themed entry into the award-winning Civilization series. Set in the future, global events have destabilized the world leading to...

Civilization III: Conquests
Civilization III: Conquests

11. Civilization III: Conquests

6 months ago Released Nov 2003 Single & Multiplayer Turn Based Strategy

Takes players on a thrilling action-packed adventure as they pursue victory in the most famous conquests in history, testing their skills in nine professionally-designed...

Civilization IV: Warlords
Civilization IV: Warlords

12. Civilization IV: Warlords

3 years ago Released Jul 2006 Single & Multiplayer Turn Based Strategy

Paying homage to some of history's greatest military leaders, the expansion will deliver six unique and interesting scenarios, giving players the chance...

Civilization Revolution
Civilization Revolution

13. Civilization Revolution

3 years ago Released Jun 2008 Single & Multiplayer Turn Based Strategy

In Civilization, players strive to become Ruler of the World by establishing and leading a civilization from the dawn of man into the space age waging...

XCOM 2
XCOM 2

14. XCOM 2

2 months ago Coming 2015 Single & Multiplayer Turn Based Tactics

Twenty years have passed since world leaders offered an unconditional surrender to alien forces and XCOM, the planet's last line of defense, was left...

Civilization III: Play the World
Civilization III: Play the World

15. Civilization III: Play the World

3 years ago Released Nov 2002 Single & Multiplayer Turn Based Strategy

Pits you against the best Civilization players from all corners of the earth via the Internet. With new online modes of play like "turnless" and fast-paced...

Civilization World
Civilization World

16. Civilization World

4 years ago TBD Multiplayer Turn Based Strategy

A unique new way to play Sid Meier's Civilization®, coming soon to Facebook! Previously known as Civilization Network.

Alpha Centauri
Alpha Centauri

17. Alpha Centauri

4 years ago Released Feb 1999 Single & Multiplayer Turn Based Strategy

Explore the alien planet that is your new home and uncover its myriad mysteries. Discover over 75 extraordinary technologies. Build over 60 base upgrades...

Sid Meier’s Ace Patrol
Sid Meier’s Ace Patrol

18. Sid Meier’s Ace Patrol

1 year ago Released Aug 27, 2013 Single & Multiplayer Turn Based Tactics

The skies over Europe are a dangerous place, where ace pilots lead their squadrons to glorious victory or crushing defeat! Take control of dozens of the...

Sid Meier's Ace Patrol: Pacific Skies
Sid Meier's Ace Patrol: Pacific Skies

19. Sid Meier's Ace Patrol: Pacific Skies

1 year ago Released Nov 5, 2013 Single & Multiplayer Turn Based Tactics

Take flight over the treacherous Pacific waters where ace pilots redefine historic World War II battles! Skillfully pilot the most iconic American and...

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Popular Games
Civilization V
Civilization V Single & Multiplayer Turn Based Strategy
XCom: Enemy Within
XCom: Enemy Within Single Player Turn Based Strategy
Civilization IV: Beyond the Sword
Civilization IV: Beyond the Sword Single & Multiplayer Turn Based Strategy
Sid Meier's Pirates!
Sid Meier's Pirates! Single Player Real Time Strategy
Sid Meier's Railroads!
Sid Meier's Railroads! Single & Multiplayer Realistic Sim
Civilization IV: Colonization
Civilization IV: Colonization Single & Multiplayer 4X
XCOM: Enemy Unknown
XCOM: Enemy Unknown Single & Multiplayer Turn Based Tactics
Civilization IV
Civilization IV Single & Multiplayer Turn Based Strategy
Civilization III
Civilization III Single & Multiplayer Real Time Strategy