Free Space Games on Steam

Steam currently has 5,751 Space 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 Space game rankings were last updated on 1/6/2025.

Looking for more? Explore other lists such as:

1. Warframe

Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game

Warframe banner

Warframe holds the #1 spot for "best free Space game on Steam" with a Player Score of 87. Its score was calculated by analyzing a total of 606,153 reviews on Steam. This breaks down to a total of 529,971 positive reviews and 76,182 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.

Release Date 3/25/2013
Developer Digital Extremes
Publisher Digital Extremes
Steam App Id 230410

2. Destiny 2

Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.

Destiny 2 banner

Destiny 2 has achieved a Player Score of 79, placing it in the #2 spot for the best free Space games. Its score was calculated by analyzing a total of 618,495 reviews on Steam. This breaks down to a total of 493,795 positive reviews and 124,700 negative reviews — making it "Mostly Positive" on Steam.

It can be played and ran on Windows systems. At the moment, it is not possible to play or run Destiny 2 on the Steam Deck.

Release Date 10/1/2019
Franchise Destiny
Developer Bungie
Publisher Bungie
Steam App Id 1085660

3. STAR WARS™: The Old Republic™

STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.

STAR WARS™: The Old Republic™ banner

STAR WARS™: The Old Republic™ has achieved a Player Score of 88, placing it in the #3 spot for the best free Space games. Its score was calculated by analyzing a total of 65,321 reviews on Steam. This breaks down to a total of 58,552 positive reviews and 6,769 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play STAR WARS™: The Old Republic™ on the Steam Deck (though some functionality may be limited).

Release Date 7/21/2020
Franchise BioWare EA
Developers
Publisher Electronic Arts
Steam App Id 1286830

4. Halo Infinite

From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. 

Halo Infinite banner

Halo Infinite has achieved a Player Score of 70, placing it in the #4 spot for the best free Space games. Its score was calculated by analyzing a total of 175,677 reviews on Steam. This breaks down to a total of 123,197 positive reviews and 52,480 negative reviews — making it "Mostly Positive" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play Halo Infinite on the Steam Deck (though some functionality may be limited).

Release Date 11/15/2021
Franchise Xbox Game Studios
Developer 343 Industries
Publisher Xbox Game Studios
Steam App Id 1240440

5. Unnamed Space Idle

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

Unnamed Space Idle banner

Unnamed Space Idle has achieved a Player Score of 89, placing it in the #5 spot for the best free Space games. Its score was calculated by analyzing a total of 2,231 reviews on Steam. This breaks down to a total of 2,073 positive reviews and 158 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Unnamed Space Idle on the Steam Deck (though some functionality may be limited).

Release Date 7/27/2023
Developer Sylv
Publishers
Steam App Id 2471100

6. Alpha League

Alpha League is a free-to-play, hero based Auto Chess. In Alpha League, simply pick and build your favorite hero in a Roguelike fashion with 10 different combat genres, and then battle the other 7 Bots or Players to be the winner.

Alpha League banner

Alpha League has achieved a Player Score of 79, placing it in the #6 spot for the best free Space games. Its score was calculated by analyzing a total of 888 reviews on Steam. This breaks down to a total of 739 positive reviews and 149 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Alpha League on the Steam Deck (though some functionality may be limited).

Release Date 2/23/2024
Developer Beaveroid Entertainment
Publisher Beaveroid Entertainment
Steam App Id 2684500

7. EVE Online

EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox.

EVE Online banner

EVE Online has achieved a Player Score of 73, placing it in the #7 spot for the best free Space games. Its score was calculated by analyzing a total of 35,567 reviews on Steam. This breaks down to a total of 26,273 positive reviews and 9,294 negative reviews — making it "Mostly Positive" on Steam.

It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play EVE Online on the Steam Deck (though some functionality may be limited).

Release Date 12/16/2010
Franchise CCP Games
Developer CCP
Publisher CCP
Steam App Id 8500

8. Cell to Singularity - Evolution Never Ends

The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.

Cell to Singularity - Evolution Never Ends banner

Cell to Singularity - Evolution Never Ends has achieved a Player Score of 88, placing it in the #8 spot for the best free Space games. Its score was calculated by analyzing a total of 22,430 reviews on Steam. This breaks down to a total of 20,200 positive reviews and 2,230 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 Cell to Singularity - Evolution Never Ends on the Steam Deck (though some functionality may be limited).

Release Date 11/3/2021
Developer Computer Lunch
Publisher Computer Lunch
Steam App Id 977400

9. Galaxy Idle Clicker

Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!

Galaxy Idle Clicker banner

Galaxy Idle Clicker has achieved a Player Score of 74, placing it in the #9 spot for the best free Space games. Its score was calculated by analyzing a total of 493 reviews on Steam. This breaks down to a total of 384 positive reviews and 109 negative reviews — making it "Mostly Positive" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play Galaxy Idle Clicker on the Steam Deck (though some functionality may be limited).

Release Date 7/18/2024
Developer Soehnle
Publisher Soehnle
Steam App Id 2962810

10. Antimatter Dimensions

Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!

Antimatter Dimensions banner

Antimatter Dimensions has achieved a Player Score of 89, placing it in the #10 spot for the best free Space games. Its score was calculated by analyzing a total of 3,302 reviews on Steam. This breaks down to a total of 3,052 positive reviews and 250 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 Antimatter Dimensions on the Steam Deck (though some functionality may be limited).

Release Date 12/17/2022
Developers
Publishers
Steam App Id 1399720

More Free Space Games

Explore even more rankings for the 100 best free Space games available on Steam.

ImageName
Actions
Warframe steam charts
65,511
3/25/2013
87
Free
Steam Charts
Destiny 2 steam charts
21,801
10/1/2019
79
Free
Steam Charts
STAR WARS™: The Old Republic™ steam charts
5,391
7/21/2020
88
Free
Steam Charts
Halo Infinite steam charts
4,333
11/15/2021
70
Free
Steam Charts
Unnamed Space Idle steam charts
3,968
7/27/2023
89
Free
Steam Charts
Alpha League steam charts
3,268
2/23/2024
79
Free
Steam Charts
EVE Online steam charts
3,036
12/16/2010
73
Free
Steam Charts
Cell to Singularity - Evolution Never Ends steam charts
2,891
11/3/2021
88
Free
Steam Charts
Galaxy Idle Clicker steam charts
1,389
7/18/2024
74
Free
Steam Charts
Antimatter Dimensions steam charts
1,349
12/17/2022
89
Free
Steam Charts
Star Trek Online steam charts
1,060
1/31/2012
77
Free
Steam Charts
PlanetSide 2 steam charts
868
11/20/2012
80
Free
Steam Charts
Finn Dorset's Institute For Livestock Replication steam charts
401
10/3/2024
83
Free
Steam Charts
Idle Sphere steam charts
345
11/17/2024
58
Free
Steam Charts
Idle Spiral steam charts
345
4/30/2022
78
Free
Steam Charts
VEGA Conflict steam charts
313
12/14/2015
58
Free
Steam Charts
Starward steam charts
258
4/24/2024
65
Free
Steam Charts
Star Trek Timelines steam charts
212
7/12/2017
64
Free
Steam Charts
Pixel Starships steam charts
189
5/23/2023
71
Free
Steam Charts
Ocean World: Eden Crafters Prologue steam charts
170
6/24/2024
89
Free
Steam Charts
Page 1 of 5

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. (2025, January 6). Steam Store. Steam Store.
  • Valve Corporation. (2025, January 6). Warframe on Steam. Steam Store.
  • Valve Corporation. (2025, January 10). Destiny 2 on Steam. Steam Store.
  • Valve Corporation. (2025, January 11). STAR WARS™: The Old Republic™ on Steam. Steam Store.
  • Valve Corporation. (2025, January 11). Halo Infinite on Steam. Steam Store.
  • Valve Corporation. (2025, January 11). Unnamed Space Idle on Steam. Steam Store.
  • Valve Corporation. (2025, January 9). Alpha League on Steam. Steam Store.
  • Valve Corporation. (2025, January 9). EVE Online on Steam. Steam Store.
  • Valve Corporation. (2025, January 11). Cell to Singularity - Evolution Never Ends on Steam. Steam Store.
  • Valve Corporation. (2025, January 10). Galaxy Idle Clicker on Steam. Steam Store.
  • Valve Corporation. (2025, January 8). Antimatter Dimensions on Steam. Steam Store.

Discover More Steam Games

Browse our top collections and curated lists of games avaible to play on Steam. Whether you are playing on PC, Mac, or on the Steam Deck, find your next favorite game.

Steam Deck Games

Steam Mac Games

Steam Linux Games

Explore

Discover the best of Steam. Find your next game, free weekend, or even track the next Steam Sale all in one spot.