Free 4X Games on Steam
Steam currently has 549 4X games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free 4X game rankings were last updated on 5/16/2024.
Looking for more? Explore other lists such as:
- Best 4x games on Steam
- Best 4x Steam Deck games
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- Best 4x Linux games on Steam
- Free Steam games
- Most played Steam games
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1. ENDLESS™ Legend
ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!
ENDLESS™ Legend holds the #1 spot for "best free 4X game on Steam" with a Player Score of 82. Its score was calculated by analyzing a total of 17,540 reviews on Steam. This breaks down to a total of 14,744 positive reviews and 2,796 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play ENDLESS™ Legend on the Steam Deck (though some functionality may be limited).
| Steam Price | $29.99 |
| Release Date | 9/18/2014 |
| Franchise | Amplitude Studios |
| Developer | AMPLITUDE Studios |
| Publisher | SEGA |
| Steam App Id | 289130 |
2. March of Empires
Claim your title as Shogun, Highland King, Northern Tsar or Desert Sultan and join this genre-redefining strategy game where you will wage constant war for real territorial conquest! Fortify your castle, fuel a massive army, and enter the ultimate fight for realm domination!
March of Empires has achieved a Player Score of 64, placing it in the #2 spot for the best free 4X games. Its score was calculated by analyzing a total of 1,491 reviews on Steam. This breaks down to a total of 982 positive reviews and 509 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run March of Empires on the Steam Deck.
3. Doomsday: Last Survivors
New tower defense gameplay! The apocalypse has come, and zombies are running amok. As the leader of the survivors, collect and use resources to defend their last shelter!
Doomsday: Last Survivors has achieved a Player Score of 65, placing it in the #3 spot for the best free 4X games. Its score was calculated by analyzing a total of 387 reviews on Steam. This breaks down to a total of 262 positive reviews and 125 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Doomsday: Last Survivors on the Steam Deck (though some functionality may be limited).
| Release Date | 6/26/2023 |
| Developer | IGG SINGAPORE PTE. LTD. |
| Publisher | IGG SINGAPORE PTE. LTD. |
| Steam App Id | 2439510 |
4. Cividle
CivIdle is an idle/incremental game that allows you to lead your own civilization through thousands of years from ancient times to the modern era. Expand your territory, explore a vast tech tree, build various wonders, and trade with global players: empire must grow and numbers must go up!
Cividle has achieved a Player Score of 68, placing it in the #4 spot for the best free 4X games. Its score was calculated by analyzing a total of 289 reviews on Steam. This breaks down to a total of 208 positive reviews and 81 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Cividle on the Steam Deck (though some functionality may be limited).
| Release Date | 2/16/2024 |
| Developer | Fish Pond Studio |
| Publisher | Fish Pond Studio |
| Steam App Id | 2181940 |
5. State of Survival
Survive the Zombies War in this RPG game of Apocalypse and Survival
State of Survival has achieved a Player Score of 55, placing it in the #5 spot for the best free 4X games. Its score was calculated by analyzing a total of 312 reviews on Steam. This breaks down to a total of 174 positive reviews and 138 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run State of Survival on the Steam Deck.
| Release Date | 8/2/2023 |
| Developer | FunPlus International AG |
| Publisher | FunPlus International AG |
| Steam App Id | 2485460 |
6. War Planet Online: Global Conquest
Build your army, dominate your region and lead your alliance to conquer the globe!
War Planet Online: Global Conquest has achieved a Player Score of 62, placing it in the #6 spot for the best free 4X games. Its score was calculated by analyzing a total of 833 reviews on Steam. This breaks down to a total of 531 positive reviews and 302 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play War Planet Online: Global Conquest on the Steam Deck (though some functionality may be limited).
7. Pixel Starships
Pixel Starships is the world’s first total spaceship management game in an 8bit massive online universe. In Pixel Starships, you command every aspect of your ship from construction to battles in a single persistent world. PSS is Community driven and crowdfunded.
Pixel Starships has achieved a Player Score of 71, placing it in the #7 spot for the best free 4X games. Its score was calculated by analyzing a total of 2,371 reviews on Steam. This breaks down to a total of 1,733 positive reviews and 638 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
8. Hades' Star
A unique space strategy game where thousands of players participate in one shared galaxy.
Hades' Star has achieved a Player Score of 71, placing it in the #8 spot for the best free 4X games. Its score was calculated by analyzing a total of 2,431 reviews on Steam. This breaks down to a total of 1,770 positive reviews and 661 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 2/27/2019 |
| Developer | Parallel Space Inc |
| Publisher | Parallel Space Inc |
| Steam App Id | 755800 |
9. Infinity Kingdom
Conquer the city, discover the Infinity! Infinity Kingdom is a cartoon-style mmo strategy game. As a resourceful lord, you must defend the land of Norheim against the evil gnomes while protecting yourself from other invading players!
Infinity Kingdom has achieved a Player Score of 68, placing it in the #9 spot for the best free 4X games. Its score was calculated by analyzing a total of 511 reviews on Steam. This breaks down to a total of 363 positive reviews and 148 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 7/2/2021 |
| Developer | YOUZU (SINGAPORE) PTE. LTD. |
| Publisher | YOUZU (SINGAPORE) PTE. LTD. |
| Steam App Id | 1573360 |
10. Nova Empire
Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!
Nova Empire has achieved a Player Score of 51, placing it in the #10 spot for the best free 4X games. Its score was calculated by analyzing a total of 183 reviews on Steam. This breaks down to a total of 94 positive reviews and 89 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 5/26/2022 |
| Developer | Gamebear Tech |
| Publisher | Gamebear Tech |
| Steam App Id | 1962770 |
More Free 4X Games
Explore even more rankings for the 56 best free 4X games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
 | 2,493 | 9/18/2014 | 82 | $29.99 | Steam Charts | |
 | 884 | 12/11/2017 | 64 | Free | Steam Charts | |
 | 418 | 6/26/2023 | 65 | Free | Steam Charts | |
 | 343 | 2/16/2024 | 68 | Free | Steam Charts | |
 | 206 | 8/2/2023 | 55 | Free | Steam Charts | |
 | 193 | 12/19/2017 | 62 | Free | Steam Charts | |
 | 151 | 5/23/2023 | 71 | Free | Steam Charts | |
 | 131 | 2/27/2019 | 71 | Free | Steam Charts | |
 | 75 | 7/2/2021 | 68 | Free | Steam Charts | |
 | 54 | 5/26/2022 | 51 | Free | Steam Charts | |
 | 40 | 1/10/2024 | 81 | Free | Steam Charts | |
 | 39 | 4/6/2022 | 58 | Free | Steam Charts | |
 | 38 | 4/17/2023 | 78 | Free | Steam Charts | |
 | 23 | 9/21/2023 | 46 | Free | Steam Charts | |
 | 13 | 9/20/2023 | 42 | Free | Steam Charts | |
 | 7 | 8/16/2023 | 41 | Free | Steam Charts | |
 | 6 | 2/24/2024 | 85 | Free | Steam Charts | |
 | 6 | 1/11/2017 | 63 | Free | Steam Charts | |
 | 5 | 2/10/2022 | 45 | Free | Steam Charts | |
 | 4 | 7/17/2023 | 53 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2024, May 16). Steam Store. Steam Store.
- Valve Corporation. (2024, May 16). ENDLESS™ Legend on Steam. Steam Store.
- Valve Corporation. (2024, May 13). March of Empires on Steam. Steam Store.
- Valve Corporation. (2024, May 7). Doomsday: Last Survivors on Steam. Steam Store.
- Valve Corporation. (2024, May 18). Cividle on Steam. Steam Store.
- Valve Corporation. (2024, May 16). State of Survival on Steam. Steam Store.
- Valve Corporation. (2024, May 2). War Planet Online: Global Conquest on Steam. Steam Store.
- Valve Corporation. (2024, May 17). Pixel Starships on Steam. Steam Store.
- Valve Corporation. (2024, April 30). Hades' Star on Steam. Steam Store.
- Valve Corporation. (2024, May 19). Infinity Kingdom on Steam. Steam Store.
- Valve Corporation. (2024, May 14). Nova Empire on Steam. Steam Store.