Free 3D Games on Steam
Steam currently has 30,191 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 9/8/2025.
Looking for more 3D games? Take a look at the best 3D games on Steam.
1. Delta Force
Delta Force holds the #1 spot for "best free 3D game on Steam" with a Player Score of 61. Its score was calculated by analyzing a total of 137,961 reviews on Steam. This breaks down to a total of 84,073 positive reviews and 53,888 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.
2. Tom Clancy's Rainbow Six® Siege X
Tom Clancy's Rainbow Six® Siege X has achieved a Player Score of 83, placing it in the #2 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,443,113 reviews on Steam. This breaks down to a total of 1,198,752 positive reviews and 244,361 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.
3. Marvel Rivals
Marvel Rivals has achieved a Player Score of 77, placing it in the #3 spot for the best free 3D games. Its score was calculated by analyzing a total of 315,725 reviews on Steam. This breaks down to a total of 244,424 positive reviews and 71,301 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).
4. Once Human
Once Human has achieved a Player Score of 75, placing it in the #4 spot for the best free 3D games. Its score was calculated by analyzing a total of 146,208 reviews on Steam. This breaks down to a total of 110,561 positive reviews and 35,647 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.
5. MIR4
MIR4 has achieved a Player Score of 64, placing it in the #5 spot for the best free 3D games. Its score was calculated by analyzing a total of 14,646 reviews on Steam. This breaks down to a total of 9,564 positive reviews and 5,082 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.
6. Umamusume: Pretty Derby
Umamusume: Pretty Derby has achieved a Player Score of 91, placing it in the #6 spot for the best free 3D games. Its score was calculated by analyzing a total of 28,813 reviews on Steam. This breaks down to a total of 26,930 positive reviews and 1,883 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).
7. Eternal Return
Eternal Return has achieved a Player Score of 75, placing it in the #7 spot for the best free 3D games. Its score was calculated by analyzing a total of 68,648 reviews on Steam. This breaks down to a total of 52,050 positive reviews and 16,598 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 Eternal Return on the Steam Deck (though some functionality may be limited).
8. Yu-Gi-Oh! Master Duel
Yu-Gi-Oh! Master Duel has achieved a Player Score of 73, placing it in the #8 spot for the best free 3D games. Its score was calculated by analyzing a total of 89,916 reviews on Steam. This breaks down to a total of 66,165 positive reviews and 23,751 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.
9. Wuthering Waves
Wuthering Waves has achieved a Player Score of 88, placing it in the #9 spot for the best free 3D games. Its score was calculated by analyzing a total of 22,554 reviews on Steam. This breaks down to a total of 20,248 positive reviews and 2,306 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 Wuthering Waves on the Steam Deck (though some functionality may be limited).
10. Blender
Blender has achieved a Player Score of 95, placing it in the #10 spot for the best free 3D games. Its score was calculated by analyzing a total of 76,626 reviews on Steam. This breaks down to a total of 73,753 positive reviews and 2,873 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is not possible to play or run Blender on the Steam Deck.
More Free 3D Games
Explore even more rankings for the 100 best free 3D games available on Steam.
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, September 8). Steam Store. Steam Store. https://store.steampowered.com
- Valve Corporation. (2025, September 8). Delta Force on Steam. Steam Store. https://store.steampowered.com/app/2507950
- Valve Corporation. (2025, September 8). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store. https://store.steampowered.com/app/359550
- Valve Corporation. (2025, September 6). Marvel Rivals on Steam. Steam Store. https://store.steampowered.com/app/2767030
- Valve Corporation. (2025, September 7). Once Human on Steam. Steam Store. https://store.steampowered.com/app/2139460
- Valve Corporation. (2025, September 2). MIR4 on Steam. Steam Store. https://store.steampowered.com/app/1623660
- Valve Corporation. (2025, September 8). Umamusume: Pretty Derby on Steam. Steam Store. https://store.steampowered.com/app/3224770
- Valve Corporation. (2025, September 4). Eternal Return on Steam. Steam Store. https://store.steampowered.com/app/1049590
- Valve Corporation. (2025, September 8). Yu-Gi-Oh! Master Duel on Steam. Steam Store. https://store.steampowered.com/app/1449850
- Valve Corporation. (2025, September 2). Wuthering Waves on Steam. Steam Store. https://store.steampowered.com/app/3513350
- Valve Corporation. (2025, September 3). Blender on Steam. Steam Store. https://store.steampowered.com/app/365670