Free 3D Games on Steam
Steam currently has 32,940 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 12/8/2025.
Looking for more 3D games? Take a look at the best 3D games on Steam.
1. Marvel Rivals
Marvel Rivals holds the #1 spot for "best free 3D game on Steam" with a Player Score of 77. Its score was calculated by analyzing a total of 348,841 reviews on Steam. This breaks down to a total of 270,296 positive reviews and 78,545 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).
2. Where Winds Meet
Where Winds Meet has achieved a Player Score of 87, placing it in the #2 spot for the best free 3D games. Its score was calculated by analyzing a total of 78,478 reviews on Steam. This breaks down to a total of 69,649 positive reviews and 8,829 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 Where Winds Meet on the Steam Deck.
3. Delta Force
Delta Force has achieved a Player Score of 59, placing it in the #3 spot for the best free 3D games. Its score was calculated by analyzing a total of 163,703 reviews on Steam. This breaks down to a total of 96,152 positive reviews and 67,551 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.
4. Tom Clancy's Rainbow Six® Siege X
Tom Clancy's Rainbow Six® Siege X has achieved a Player Score of 82, placing it in the #4 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,461,495 reviews on Steam. This breaks down to a total of 1,210,299 positive reviews and 251,196 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.
5. Fish Idle 2: Underwater Mystery
Fish Idle 2: Underwater Mystery 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 1,351 reviews on Steam. This breaks down to a total of 884 positive reviews and 467 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).
6. Yu-Gi-Oh! Master Duel
Yu-Gi-Oh! Master Duel has achieved a Player Score of 72, placing it in the #6 spot for the best free 3D games. Its score was calculated by analyzing a total of 93,909 reviews on Steam. This breaks down to a total of 68,467 positive reviews and 25,442 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.
7. Umamusume: Pretty Derby
Umamusume: Pretty Derby has achieved a Player Score of 93, placing it in the #7 spot for the best free 3D games. Its score was calculated by analyzing a total of 45,510 reviews on Steam. This breaks down to a total of 42,931 positive reviews and 2,579 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).
8. Arena Breakout: Infinite
Arena Breakout: Infinite has achieved a Player Score of 78, placing it in the #8 spot for the best free 3D games. Its score was calculated by analyzing a total of 37,867 reviews on Steam. This breaks down to a total of 30,184 positive reviews and 7,683 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 Arena Breakout: Infinite on the Steam Deck.
9. MIR4
MIR4 has achieved a Player Score of 65, placing it in the #9 spot for the best free 3D games. Its score was calculated by analyzing a total of 14,735 reviews on Steam. This breaks down to a total of 9,631 positive reviews and 5,104 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.
10. Once Human
Once Human has achieved a Player Score of 76, placing it in the #10 spot for the best free 3D games. Its score was calculated by analyzing a total of 158,951 reviews on Steam. This breaks down to a total of 122,296 positive reviews and 36,655 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.
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, December 8). Steam Store. Steam Store. https://store.steampowered.com
- Valve Corporation. (2025, December 8). Marvel Rivals on Steam. Steam Store. https://store.steampowered.com/app/2767030
- Valve Corporation. (2025, December 9). Where Winds Meet on Steam. Steam Store. https://store.steampowered.com/app/3564740
- Valve Corporation. (2025, December 10). Delta Force on Steam. Steam Store. https://store.steampowered.com/app/2507950
- Valve Corporation. (2025, December 10). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store. https://store.steampowered.com/app/359550
- Valve Corporation. (2025, December 3). Fish Idle 2: Underwater Mystery on Steam. Steam Store. https://store.steampowered.com/app/3037410
- Valve Corporation. (2025, December 9). Yu-Gi-Oh! Master Duel on Steam. Steam Store. https://store.steampowered.com/app/1449850
- Valve Corporation. (2025, December 9). Umamusume: Pretty Derby on Steam. Steam Store. https://store.steampowered.com/app/3224770
- Valve Corporation. (2025, December 10). Arena Breakout: Infinite on Steam. Steam Store. https://store.steampowered.com/app/2073620
- Valve Corporation. (2025, December 9). MIR4 on Steam. Steam Store. https://store.steampowered.com/app/1623660
- Valve Corporation. (2025, December 9). Once Human on Steam. Steam Store. https://store.steampowered.com/app/2139460