Free 3D Games on Steam
Steam currently has 31,353 3D 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 3D game rankings were last updated on 10/21/2025.
Looking for more? Explore other lists such as:
- Best 3d games on Steam
- Best 3d Steam Deck games
- Best 3d Steam games for Mac OS
- Best 3d Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
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 3D game on Steam" with a Player Score of 59. Its score was calculated by analyzing a total of 150,812 reviews on Steam. This breaks down to a total of 88,796 positive reviews and 62,016 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. Marvel Rivals
Marvel Rivals is a Super Hero Team-Based PVP Shooter! Assemble an all-star Marvel squad, devise countless strategies by combining powers to form unique Team-Up skills and fight in destructible, ever-changing battlefields across the continually evolving Marvel universe!
Marvel Rivals has achieved a Player Score of 76, placing it in the #2 spot for the best free 3D games. Its score was calculated by analyzing a total of 324,350 reviews on Steam. This breaks down to a total of 249,582 positive reviews and 74,768 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 Marvel Rivals on the Steam Deck (though some functionality may be limited).
| Release Date | 12/6/2024 |
| Developer | NetEase Games |
| Publisher | NetEase Games |
| Steam App Id | 2767030 |
3. Blue Protocol: Star Resonance
Blue Protocol: Star Resonance expands the Blue Protocol universe with a vibrant MMORPG experience. Create your own hero, team up for strategic raids, or simply relax and have fun with friends fishing, crafting, and endless exploration. Adventure awaits!
Blue Protocol: Star Resonance has achieved a Player Score of 51, placing it in the #3 spot for the best free 3D games. Its score was calculated by analyzing a total of 14,846 reviews on Steam. This breaks down to a total of 7,584 positive reviews and 7,262 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 | 10/9/2025 |
| Developer | Shanghai Bokura Network Technology Co.Ltd |
| Publisher | A Plus |
| Steam App Id | 3681810 |
4. Arena Breakout: Infinite
Arena Breakout: Infinite is a high-stakes tactical extraction shooter where every decision matters. Fight, loot, and extract—or lose it all. With stunningly realistic visuals, lifelike sound, and unforgiving PvPvE combat, every raid is a gamble between glory and ruin.
Arena Breakout: Infinite has achieved a Player Score of 79, placing it in the #4 spot for the best free 3D games. Its score was calculated by analyzing a total of 22,244 reviews on Steam. This breaks down to a total of 17,928 positive reviews and 4,316 negative reviews — making it "Very Positive" 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 | 9/16/2025 |
| Developer | Morefun Studios |
| Publisher | Morefun Studios |
| Steam App Id | 2073620 |
5. Tom Clancy's Rainbow Six® Siege X
Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators.
Tom Clancy's Rainbow Six® Siege X has achieved a Player Score of 82, placing it in the #5 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,450,618 reviews on Steam. This breaks down to a total of 1,203,253 positive reviews and 247,365 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Tom Clancy's Rainbow Six® Siege X on the Steam Deck.
| Release Date | 12/1/2015 |
| Developer | Ubisoft Montreal |
| Publisher | Ubisoft |
| Steam App Id | 359550 |
6. Fish Idle 2: Underwater Mystery
Dive into the most fun idle fishing arcade game! Manage your Fish Kingdoms with automated fishing, upgrade your boat and gear, invest in passive income, and outsmart the market. Become the ultimate fish tycoon!
Fish Idle 2: Underwater Mystery has achieved a Player Score of 64, placing it in the #6 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,268 reviews on Steam. This breaks down to a total of 841 positive reviews and 427 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Fish Idle 2: Underwater Mystery on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2024 |
| Developer | Multicast |
| Publisher | MulticastGames |
| Steam App Id | 3037410 |
7. MIR4
MIR4 is a free-to-play open world K-fantasy MMORPG that can be cross-played on both PC and mobile devices. MIR4 is full of action and features numerous large scale clan PVP battles. Join now and become a legend.
MIR4 has achieved a Player Score of 64, placing it in the #7 spot for the best free 3D games. Its score was calculated by analyzing a total of 14,685 reviews on Steam. This breaks down to a total of 9,590 positive reviews and 5,095 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 MIR4 on the Steam Deck.
| Release Date | 8/25/2021 |
| Developer | Wemade Next |
| Publisher | Wemade |
| Steam App Id | 1623660 |
8. 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 has achieved a Player Score of 76, placing it in the #8 spot for the best free 3D games. Its score was calculated by analyzing a total of 152,563 reviews on Steam. This breaks down to a total of 116,436 positive reviews and 36,127 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 |
9. Yu-Gi-Oh! Master Duel
Yu-Gi-Oh! MASTER DUEL is the ultimate free-to-play cross-platform strategy card game with fast-paced Duels, stunning HD graphics and a new, dynamic soundtrack! Get ready to challenge Duelists around the world!
Yu-Gi-Oh! Master Duel has achieved a Player Score of 72, placing it in the #9 spot for the best free 3D games. Its score was calculated by analyzing a total of 91,252 reviews on Steam. This breaks down to a total of 66,709 positive reviews and 24,543 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 | 1/19/2022 |
| Franchise | Yu-Gi-Oh! |
| Developers | |
| Publishers | |
| Steam App Id | 1449850 |
10. Umamusume: Pretty Derby
Umamusume: Pretty Derby is ready to race! Scout featured trainees and supporters as you navigate the immersive sports life simulation through the game's in-depth training system and top-of-the-line 3D graphics!
Umamusume: Pretty Derby has achieved a Player Score of 91, placing it in the #10 spot for the best free 3D games. Its score was calculated by analyzing a total of 31,958 reviews on Steam. This breaks down to a total of 29,759 positive reviews and 2,199 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 Umamusume: Pretty Derby on the Steam Deck (though some functionality may be limited).
| Release Date | 6/25/2025 |
| Developer | Cygames, Inc. |
| Publisher | Cygames, Inc. |
| Steam App Id | 3224770 |
More Free 3D Games
Explore even more rankings for the 100 best free 3D games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 78,292 | 12/4/2024 | 59 | Free | Steam Charts | |
| 50,690 | 12/6/2024 | 76 | Free | Steam Charts | |
| 36,908 | 10/9/2025 | 51 | Free | Steam Charts | |
| 22,714 | 9/16/2025 | 79 | Free | Steam Charts | |
| 21,947 | 12/1/2015 | 82 | Free | Steam Charts | |
| 16,839 | 11/15/2024 | 64 | Free | Steam Charts | |
| 14,351 | 8/25/2021 | 64 | Free | Steam Charts | |
| 13,774 | 7/9/2024 | 76 | Free | Steam Charts | |
| 11,806 | 1/19/2022 | 72 | Free | Steam Charts | |
| 9,729 | 6/25/2025 | 91 | Free | Steam Charts | |
 | 9,154 | 4/24/2015 | 95 | Free | Steam Charts | |
 | 8,041 | 10/4/2024 | 86 | Free | Steam Charts | |
 | 6,931 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 5,135 | 7/20/2023 | 75 | Free | Steam Charts | |
 | 3,187 | 1/14/2025 | 69 | Free | Steam Charts | |
 | 2,774 | 8/23/2022 | 87 | Free | Steam Charts | |
 | 2,752 | 8/9/2024 | 93 | Free | Steam Charts | |
 | 2,366 | 7/2/2025 | 59 | Free | Steam Charts | |
 | 2,353 | 4/10/2024 | 85 | Free | Steam Charts | |
 | 2,283 | 9/28/2023 | 66 | 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, October 21). Steam Store. Steam Store.
- Valve Corporation. (2025, October 21). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, October 18). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, October 21). Blue Protocol: Star Resonance on Steam. Steam Store.
- Valve Corporation. (2025, October 20). Arena Breakout: Infinite on Steam. Steam Store.
- Valve Corporation. (2025, October 21). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Fish Idle 2: Underwater Mystery on Steam. Steam Store.
- Valve Corporation. (2025, October 14). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, October 21). Once Human on Steam. Steam Store.
- Valve Corporation. (2025, October 20). Yu-Gi-Oh! Master Duel on Steam. Steam Store.
- Valve Corporation. (2025, October 21). Umamusume: Pretty Derby on Steam. Steam Store.