Free Gun Customization Games on Steam
Steam currently has 1,054 Gun Customization 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 Gun Customization game rankings were last updated on 7/28/2025.
Looking for more? Explore other lists such as:
- Best gun customization games on Steam
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- Best gun customization Linux games on Steam
- Free Steam games
- Most played Steam games
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1. Delta Force
Delta Force, a free-to-play 1st-person tactical shooter, returns as the latest in the classic series. With 25 years defining the genre, Delta Force is back with an upgraded arsenal of weaponry, jaw-dropping environments, and a truly dynamic world.
Delta Force holds the #1 spot for "best free Gun Customization game on Steam" with a Player Score of 62. Its score was calculated by analyzing a total of 126,841 reviews on Steam. This breaks down to a total of 78,589 positive reviews and 48,252 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 Delta Force on the Steam Deck.
| Release Date | 12/4/2024 |
| Developers | |
| Publisher | TiMi Studio Group |
| Steam App Id | 2507950 |
2. THE FINALS
Join THE FINALS, the world-famous, free-to-play, combat-centered game show! Fight alongside your teammates in virtual arenas that you can alter, exploit, and even destroy. Build your own playstyle in this first-person shooter to win escalating tournaments and lasting fame.
THE FINALS has achieved a Player Score of 77, placing it in the #2 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 236,946 reviews on Steam. This breaks down to a total of 184,297 positive reviews and 52,649 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 THE FINALS on the Steam Deck (though some functionality may be limited).
| Release Date | 12/8/2023 |
| Developer | Embark Studios |
| Publisher | Embark Studios |
| Steam App Id | 2073850 |
3. Off The Grid
Welcome to Off The Grid, the next-gen free to play Battle Royale from visionary director Neill Blomkamp. Set in a near-future world where contestants are cybernetically augmented and dropped into televised bloodsport. Death is temporary, but fame is forever.
Off The Grid has achieved a Player Score of 57, placing it in the #3 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 1,016 reviews on Steam. This breaks down to a total of 592 positive reviews and 424 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 | 7/17/2025 |
| Developer | Gunzilla Games |
| Publisher | Gunzilla Games |
| Steam App Id | 3659280 |
4. 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 #4 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 64,681 reviews on Steam. This breaks down to a total of 48,574 positive reviews and 16,107 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 | 7/27/2017 |
| Franchise | Gaijin Network Ltd |
| Developer | Targem Games |
| Publishers | |
| Steam App Id | 386180 |
5. Combat Master: Season 4
Join fast-paced action-packed combat. Play Combat Master -- AAA experience on any hardware. Best-in-class multiplayer gunfight. Next-level extreme performance. Lightning-speed loading time and a whole lot more.
Combat Master: Season 4 has achieved a Player Score of 87, placing it in the #5 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 46,664 reviews on Steam. This breaks down to a total of 41,174 positive reviews and 5,490 negative reviews — making it "Very 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 | 4/21/2023 |
| Developer | Alfa Bravo Inc |
| Publisher | Alfa Bravo Inc |
| Steam App Id | 2281730 |
6. Splitgate 2
Splitgate 2 is the only free-to-play shooter with portals, delivering next-level gunplay, fluid movement, and a constantly evolving experience, featuring a new Battle Royale where you can portal between unique worlds. Welcome to the future of sport.
Splitgate 2 has achieved a Player Score of 61, placing it in the #6 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 18,509 reviews on Steam. This breaks down to a total of 11,339 positive reviews and 7,170 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Splitgate 2 on the Steam Deck (though some functionality may be limited).
| Release Date | 5/22/2025 |
| Developer | 1047 Games |
| Publisher | 1047 Games |
| Steam App Id | 2918300 |
7. Caliber
Caliber is a team-based online shooter focused on special forces units from all over the world. More than 70 operators with unique abilities and weapons as well as various game modes and maps are waiting for you.
Caliber has achieved a Player Score of 75, placing it in the #7 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 20,793 reviews on Steam. This breaks down to a total of 15,787 positive reviews and 5,006 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 Caliber on the Steam Deck (though some functionality may be limited).
| Release Date | 4/12/2023 |
| Franchise | 1C Game Studios |
| Developer | 1C Game Studios |
| Publishers | |
| Steam App Id | 307950 |
8. GIRLS' FRONTLINE 2: EXILIUM
Hello Commanders, Please board the Elmo and set off into the breaking dawn.
GIRLS' FRONTLINE 2: EXILIUM has achieved a Player Score of 83, placing it in the #8 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 1,881 reviews on Steam. This breaks down to a total of 1,628 positive reviews and 253 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 GIRLS' FRONTLINE 2: EXILIUM on the Steam Deck (though some functionality may be limited).
| Release Date | 2/11/2025 |
| Developer | SUNBORN Information Co., Ltd. |
| Publisher | Darkwinter Software Limited |
| Steam App Id | 3347400 |
9. BLACK STIGMA
BLACK STIGMA is a hero shooter game with a diverse cast of characters. You can choose and customize a handgun of your preference and upgrade your character's abilities in different ways. Play as your ideal killer character, from long-range precision shots to close-range brawls.
BLACK STIGMA has achieved a Player Score of 69, placing it in the #9 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 857 reviews on Steam. This breaks down to a total of 617 positive reviews and 240 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 BLACK STIGMA on the Steam Deck.
| Release Date | 7/18/2025 |
| Developer | BoldPlay Games |
| Publisher | BoldPlay Games |
| Steam App Id | 1277530 |
10. 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 #10 spot for the best free Gun Customization games. Its score was calculated by analyzing a total of 25,968 reviews on Steam. This breaks down to a total of 14,833 positive reviews and 11,135 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 |
More Free Gun Customization Games
Explore even more rankings for the 100 best free Gun Customization games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 59,583 | 12/4/2024 | 62 | Free | Steam Charts | |
| 16,756 | 12/8/2023 | 77 | Free | Steam Charts | |
| 12,317 | 7/17/2025 | 57 | Free | Steam Charts | |
| 2,021 | 7/27/2017 | 74 | Free | Steam Charts | |
| 1,114 | 4/21/2023 | 87 | Free | Steam Charts | |
| 1,027 | 5/22/2025 | 61 | Free | Steam Charts | |
| 749 | 4/12/2023 | 75 | Free | Steam Charts | |
| 628 | 2/11/2025 | 83 | Free | Steam Charts | |
| 536 | 7/18/2025 | 69 | Free | Steam Charts | |
| 470 | 9/1/2022 | 57 | Free | Steam Charts | |
 | 393 | 7/1/2014 | 66 | Free | Steam Charts | |
 | 243 | 6/25/2021 | 91 | Free | Steam Charts | |
 | 210 | 11/17/2017 | 64 | Free | Steam Charts | |
 | 207 | 3/6/2020 | 74 | Free | Steam Charts | |
 | 167 | 4/4/2025 | 55 | Free | Steam Charts | |
 | 160 | 9/22/2022 | 68 | Free | Steam Charts | |
 | 113 | 10/11/2019 | 86 | Free | Steam Charts | |
 | 104 | 5/21/2014 | 82 | Free | Steam Charts | |
 | 93 | 6/20/2019 | 71 | Free | Steam Charts | |
 | 88 | 8/13/2021 | 81 | 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, July 28). Steam Store. Steam Store.
- Valve Corporation. (2025, July 28). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, July 25). THE FINALS on Steam. Steam Store.
- Valve Corporation. (2025, July 28). Off The Grid on Steam. Steam Store.
- Valve Corporation. (2025, July 28). Crossout on Steam. Steam Store.
- Valve Corporation. (2025, May 24). Combat Master: Season 4 on Steam. Steam Store.
- Valve Corporation. (2025, July 28). Splitgate 2 on Steam. Steam Store.
- Valve Corporation. (2025, July 12). Caliber on Steam. Steam Store.
- Valve Corporation. (2025, July 24). GIRLS' FRONTLINE 2: EXILIUM on Steam. Steam Store.
- Valve Corporation. (2025, July 28). BLACK STIGMA on Steam. Steam Store.
- Valve Corporation. (2025, July 27). Lost Light on Steam. Steam Store.