Free 3D Games on Steam
Steam currently has 31,812 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 11/3/2025.
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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 58. Its score was calculated by analyzing a total of 153,365 reviews on Steam. This breaks down to a total of 89,843 positive reviews and 63,522 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:11/3/2025
- 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 326,419 reviews on Steam. This breaks down to a total of 250,910 positive reviews and 75,509 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:11/3/2025
- Steam App Id:2767030
3. 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 #3 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,453,623 reviews on Steam. This breaks down to a total of 1,204,966 positive reviews and 248,657 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:11/3/2025
- Steam App Id:359550
4. 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 #4 spot for the best free 3D games. Its score was calculated by analyzing a total of 154,782 reviews on Steam. This breaks down to a total of 118,503 positive reviews and 36,279 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:11/3/2025
- Steam App Id:2139460
5. 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 78, placing it in the #5 spot for the best free 3D games. Its score was calculated by analyzing a total of 26,973 reviews on Steam. This breaks down to a total of 21,363 positive reviews and 5,610 negative reviews — making it "Mostly 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
- Last Updated:11/3/2025
- Steam App Id:2073620
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 75, placing it in the #6 spot for the best free 3D games. Its score was calculated by analyzing a total of 69,430 reviews on Steam. This breaks down to a total of 52,575 positive reviews and 16,855 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:7/19/2023
- Developer:Nimble Neuron
- Publishers:
- Last Updated:10/30/2025
- Steam App Id:1049590
7. 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 #7 spot for the best free 3D games. Its score was calculated by analyzing a total of 1,288 reviews on Steam. This breaks down to a total of 851 positive reviews and 437 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
- Last Updated:10/29/2025
- Steam App Id:3037410
8. 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 52, placing it in the #8 spot for the best free 3D games. Its score was calculated by analyzing a total of 16,590 reviews on Steam. This breaks down to a total of 8,575 positive reviews and 8,015 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 Blue Protocol: Star Resonance on the Steam Deck.
- Release Date:10/9/2025
- Developer:Shanghai Bokura Network Technology Co.Ltd
- Publisher:A Plus
- Last Updated:11/2/2025
- Steam App Id:3681810
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 91,557 reviews on Steam. This breaks down to a total of 66,851 positive reviews and 24,706 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:
- Last Updated:11/3/2025
- Steam App Id:1449850
10. 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 #10 spot for the best free 3D games. Its score was calculated by analyzing a total of 14,702 reviews on Steam. This breaks down to a total of 9,602 positive reviews and 5,100 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:10/27/2025
- Steam App Id:1623660
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, November 3). Steam Store. Steam Store. https://store.steampowered.com
- Valve Corporation. (2025, November 3). Delta Force on Steam. Steam Store. https://store.steampowered.com/app/2507950
- Valve Corporation. (2025, November 3). Marvel Rivals on Steam. Steam Store. https://store.steampowered.com/app/2767030
- Valve Corporation. (2025, November 3). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store. https://store.steampowered.com/app/359550
- Valve Corporation. (2025, November 3). Once Human on Steam. Steam Store. https://store.steampowered.com/app/2139460
- Valve Corporation. (2025, November 3). Arena Breakout: Infinite on Steam. Steam Store. https://store.steampowered.com/app/2073620
- Valve Corporation. (2025, October 30). Eternal Return on Steam. Steam Store. https://store.steampowered.com/app/1049590
- Valve Corporation. (2025, October 29). Fish Idle 2: Underwater Mystery on Steam. Steam Store. https://store.steampowered.com/app/3037410
- Valve Corporation. (2025, November 2). Blue Protocol: Star Resonance on Steam. Steam Store. https://store.steampowered.com/app/3681810
- Valve Corporation. (2025, November 3). Yu-Gi-Oh! Master Duel on Steam. Steam Store. https://store.steampowered.com/app/1449850
- Valve Corporation. (2025, October 27). MIR4 on Steam. Steam Store. https://store.steampowered.com/app/1623660