Free Post-apocalyptic Games on Steam
Steam currently has 3,501 Post-apocalyptic 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 Post-apocalyptic game rankings were last updated on 3/21/2025.
Looking for more? Explore other lists such as:
- Best post-apocalyptic games on Steam
- Best post-apocalyptic Steam Deck games
- Best post-apocalyptic Steam games for Mac OS
- Best post-apocalyptic Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Once Human
Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.
Once Human holds the #1 spot for "best free Post-apocalyptic game on Steam" with a Player Score of 73. Its score was calculated by analyzing a total of 123,093 reviews on Steam. This breaks down to a total of 90,769 positive reviews and 32,324 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 Once Human on the Steam Deck.
| Release Date | 7/9/2024 |
| Developer | Starry Studio |
| Publisher | Starry Studio |
| Steam App Id | 2139460 |
2. Unturned
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
Unturned has achieved a Player Score of 90, placing it in the #2 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 553,161 reviews on Steam. This breaks down to a total of 504,778 positive reviews and 48,383 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Unturned on the Steam Deck (though some functionality may be limited).
| Release Date | 7/7/2017 |
| Developer | Smartly Dressed Games |
| Publisher | Smartly Dressed Games |
| Steam App Id | 304930 |
3. Crossout
Crossout - the postapocalyptic MMO action game where you can create a unique design for an armoured vehicle from dozens of parts and then drive it into multiplayer battles raging on land and in the skies alike.
Crossout has achieved a Player Score of 74, placing it in the #3 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 63,270 reviews on Steam. This breaks down to a total of 47,600 positive reviews and 15,670 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 Crossout on the Steam Deck (though some functionality may be limited).
| Release Date | 7/26/2017 |
| Franchise | Gaijin Network Ltd |
| Developer | Targem Games |
| Publishers | |
| Steam App Id | 386180 |
4. Lost Light
Join the "Firefly" task force and unveil the sinister plot behind the exclusion zone in the world of Lost Light. You could either scavenge for supplies or go out with guns blazing and plunder. Survive the brutal domain where danger lurks in every corner!
Lost Light has achieved a Player Score of 57, placing it in the #4 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 24,855 reviews on Steam. This breaks down to a total of 14,206 positive reviews and 10,649 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 Lost Light on the Steam Deck.
| Release Date | 9/1/2022 |
| Developer | NetEase Games |
| Publisher | NetEase Games |
| Steam App Id | 1797880 |
5. Fallout Shelter
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.
Fallout Shelter has achieved a Player Score of 87, placing it in the #5 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 73,236 reviews on Steam. This breaks down to a total of 64,849 positive reviews and 8,387 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 | 3/29/2017 |
| Developer | Bethesda Game Studios |
| Publisher | Bethesda Softworks |
| Steam App Id | 588430 |
6. Stay Out
Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet.
Stay Out has achieved a Player Score of 64, placing it in the #6 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 24,881 reviews on Steam. This breaks down to a total of 16,081 positive reviews and 8,800 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 Stay Out on the Steam Deck.
| Release Date | 11/27/2019 |
| Developer | MOBITECH LLC |
| Publisher | MOBITECH LLC |
| Steam App Id | 1180380 |
7. Farlight 84
1st Pet Capture Battle Royale!
Farlight 84 has achieved a Player Score of 77, placing it in the #7 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 49,854 reviews on Steam. This breaks down to a total of 38,872 positive reviews and 10,982 negative reviews — making it "Mostly 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 | 9/21/2023 |
| Developer | Farlight Games |
| Publisher | Farlight Games |
| Steam App Id | 1928420 |
8. Dead Frontier 2
Survival horror MMO. As one of the few survivors of the outbreak, you must scratch a living out of the decaying ruins of society. Scavenge for supplies, improve your skills, and trade with other players. All the while, keeping your eyes peeled for the infected lurking around every corner.
Dead Frontier 2 has achieved a Player Score of 69, placing it in the #8 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 26,389 reviews on Steam. This breaks down to a total of 18,580 positive reviews and 7,809 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 Dead Frontier 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 7/15/2019 |
| Developer | Creaky Corpse Ltd |
| Publisher | Creaky Corpse Ltd |
| Steam App Id | 744900 |
9. CounterSide
Everything has another side Urban Graphic Novel RPG "CounterSide" A world where conflict never ends between Counters and Corrupted Objects after the Administration Failure We invite you to a journey to save the Reality.
CounterSide has achieved a Player Score of 73, placing it in the #9 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 3,601 reviews on Steam. This breaks down to a total of 2,701 positive reviews and 900 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 CounterSide on the Steam Deck (though some functionality may be limited).
| Release Date | 9/1/2022 |
| Developer | Studiobside Co.,Ltd |
| Publisher | Studiobside Co.,Ltd |
| Steam App Id | 1976440 |
10. Will To Live Online
Will To Live is a MMORPG-shooter whose action takes place in a severe post-apocalyptic world. Explore the world, engage in fights with mutants and other survivors, join the clans in the struggle for existence and prove your right to Live.
Will To Live Online has achieved a Player Score of 69, placing it in the #10 spot for the best free Post-apocalyptic games. Its score was calculated by analyzing a total of 17,390 reviews on Steam. This breaks down to a total of 12,173 positive reviews and 5,217 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 Will To Live Online on the Steam Deck.
| Release Date | 4/5/2018 |
| Developer | AlphaSoft LLC |
| Publisher | AlphaSoft LLC |
| Steam App Id | 707010 |
More Free Post-apocalyptic Games
Explore even more rankings for the 100 best free Post-apocalyptic games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 13,939 | 7/9/2024 | 73 | Free | Steam Charts | |
| 11,155 | 7/7/2017 | 90 | Free | Steam Charts | |
| 1,200 | 7/26/2017 | 74 | Free | Steam Charts | |
| 1,002 | 9/1/2022 | 57 | Free | Steam Charts | |
| 893 | 3/29/2017 | 87 | Free | Steam Charts | |
| 829 | 11/27/2019 | 64 | Free | Steam Charts | |
| 716 | 9/21/2023 | 77 | Free | Steam Charts | |
| 579 | 7/15/2019 | 69 | Free | Steam Charts | |
| 505 | 9/1/2022 | 73 | Free | Steam Charts | |
| 400 | 4/5/2018 | 69 | Free | Steam Charts | |
 | 321 | 6/14/2023 | 54 | Free | Steam Charts | |
 | 315 | 10/31/2013 | 89 | Free | Steam Charts | |
 | 292 | 10/20/2022 | 69 | Free | Steam Charts | |
 | 248 | 5/13/2021 | 70 | Free | Steam Charts | |
 | 185 | 2/2/2023 | 69 | Free | Steam Charts | |
 | 148 | 5/23/2023 | 71 | Free | Steam Charts | |
 | 124 | 5/16/2022 | 62 | Free | Steam Charts | |
 | 105 | 10/21/2021 | 72 | Free | Steam Charts | |
 | 105 | 10/16/2017 | 84 | Free | Steam Charts | |
 | 94 | 9/18/2024 | 47 | 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. (2025, March 21). Steam Store. Steam Store.
- Valve Corporation. (2025, March 21). Once Human on Steam. Steam Store.
- Valve Corporation. (2025, March 19). Unturned on Steam. Steam Store.
- Valve Corporation. (2025, March 20). Crossout on Steam. Steam Store.
- Valve Corporation. (2025, March 17). Lost Light on Steam. Steam Store.
- Valve Corporation. (2025, March 21). Fallout Shelter on Steam. Steam Store.
- Valve Corporation. (2025, March 11). Stay Out on Steam. Steam Store.
- Valve Corporation. (2025, March 19). Farlight 84 on Steam. Steam Store.
- Valve Corporation. (2025, March 20). Dead Frontier 2 on Steam. Steam Store.
- Valve Corporation. (2025, March 19). CounterSide on Steam. Steam Store.
- Valve Corporation. (2025, March 19). Will To Live Online on Steam. Steam Store.