Free 3D Games on Steam
Steam currently has 29,205 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 7/28/2025.
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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 3D game on Steam" with a Player Score of 62. Its score was calculated by analyzing a total of 127,122 reviews on Steam. This breaks down to a total of 78,715 positive reviews and 48,407 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
- Last Updated:7/28/2025
- Steam App Id:2507950
2. 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 83, placing it in the #2 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,429,055 reviews on Steam. This breaks down to a total of 1,189,411 positive reviews and 239,644 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
- Last Updated:7/29/2025
- Steam App Id:359550
3. 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 78, placing it in the #3 spot for the best free 3D games. Its score was calculated by analyzing a total of 303,469 reviews on Steam. This breaks down to a total of 238,281 positive reviews and 65,188 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
- Last Updated:7/26/2025
- Steam App Id:2767030
4. 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 92, placing it in the #4 spot for the best free 3D games. Its score was calculated by analyzing a total of 19,859 reviews on Steam. This breaks down to a total of 18,666 positive reviews and 1,193 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.
- Last Updated:7/29/2025
- Steam App Id:3224770
5. 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 74, placing it in the #5 spot for the best free 3D games. Its score was calculated by analyzing a total of 139,846 reviews on Steam. This breaks down to a total of 104,902 positive reviews and 34,944 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
- Last Updated:7/28/2025
- Steam App Id:2139460
6. Eternal Return
Eternal Return is a free-to-play, 2.5D perspective Battle Royale game. Search, Craft, Hunt, and Fight using a variety of characters. Plan your strategy and become the last survivor on this eternal experiment.
Eternal Return has achieved a Player Score of 77, placing it in the #6 spot for the best free 3D games. Its score was calculated by analyzing a total of 67,043 reviews on Steam. This breaks down to a total of 51,992 positive reviews and 15,051 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).
- Release Date:7/20/2023
- Developer:Nimble Neuron
- Publishers:
- Last Updated:7/29/2025
- Steam App Id:1049590
7. 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 73, placing it in the #7 spot for the best free 3D games. Its score was calculated by analyzing a total of 88,620 reviews on Steam. This breaks down to a total of 65,450 positive reviews and 23,170 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:1/18/2022
- Franchise:Yu-Gi-Oh!
- Developers:
- Publishers:
- Last Updated:7/28/2025
- Steam App Id:1449850
8. Mecha BREAK
Squad up in Mecha BREAK, a multiplayer third-person shooter offering three intense game modes filled with ground and aerial combat. Pilot your Striker into the breach and neutralize enemies. Are you ready for the ultimate showdown?
Mecha BREAK has achieved a Player Score of 60, placing it in the #8 spot for the best free 3D games. Its score was calculated by analyzing a total of 21,612 reviews on Steam. This breaks down to a total of 13,104 positive reviews and 8,508 negative reviews — making it "Mixed" 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:7/2/2025
- Developers:
- Publishers:
- Last Updated:7/28/2025
- Steam App Id:2452280
9. 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 #9 spot for the best free 3D games. Its score was calculated by analyzing a total of 14,594 reviews on Steam. This breaks down to a total of 9,524 positive reviews and 5,070 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
- Last Updated:7/21/2025
- Steam App Id:1623660
10. Wuthering Waves
Wuthering Waves is a story-rich open-world action RPG with a high degree of freedom. You wake from your slumber as Rover, joined by a vibrant cast of Resonators on a journey to reclaim your lost memories and change the world.
Wuthering Waves has achieved a Player Score of 88, placing it in the #10 spot for the best free 3D games. Its score was calculated by analyzing a total of 18,816 reviews on Steam. This breaks down to a total of 16,951 positive reviews and 1,865 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).
- Release Date:4/28/2025
- Developer:KURO GAMES
- Publisher:KURO GAMES
- Last Updated:7/29/2025
- Steam App Id:3513350
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, July 28). Steam Store. Steam Store. https://store.steampowered.com
- Valve Corporation. (2025, July 28). Delta Force on Steam. Steam Store. https://store.steampowered.com/app/2507950
- Valve Corporation. (2025, July 29). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store. https://store.steampowered.com/app/359550
- Valve Corporation. (2025, July 26). Marvel Rivals on Steam. Steam Store. https://store.steampowered.com/app/2767030
- Valve Corporation. (2025, July 29). Umamusume: Pretty Derby on Steam. Steam Store. https://store.steampowered.com/app/3224770
- Valve Corporation. (2025, July 28). Once Human on Steam. Steam Store. https://store.steampowered.com/app/2139460
- Valve Corporation. (2025, July 29). Eternal Return on Steam. Steam Store. https://store.steampowered.com/app/1049590
- Valve Corporation. (2025, July 28). Yu-Gi-Oh! Master Duel on Steam. Steam Store. https://store.steampowered.com/app/1449850
- Valve Corporation. (2025, July 28). Mecha BREAK on Steam. Steam Store. https://store.steampowered.com/app/2452280
- Valve Corporation. (2025, July 21). MIR4 on Steam. Steam Store. https://store.steampowered.com/app/1623660
- Valve Corporation. (2025, July 29). Wuthering Waves on Steam. Steam Store. https://store.steampowered.com/app/3513350