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Check out this fantastic list of free-to-play open world games you can enjoy on Steam right now, updated on September 22nd 2026. Looking for even more free titles? Explore the complete list of the best free to play open world games on Steam.
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1. Aniimo
Aniimo is a free-to-play, next-gen creature-catching open-world RPG. Explore the vast continent of Idyll, Twine with unique Aniimo, unlock new abilities. Travel to a sky-floating metropolis, meet other Pathfinders, and battle in exciting competitions. Choose your Aniimo and begin your epic journey! Aniimo is a open world, creature collector and multiplayer game. Released on September 15th 2026 has received 11,623 reviews of which 8,076 were positive and 3,547 were negative resulting in a rating of 6.8 out of 10. The game has hit the top spot as the #1 most played open world game, thanks to its 151,288 peak concurrent players over the last day.
6.8
8,076
3,547
151,288
players
2. Once Human
Once Human is a Strange Worlds 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 is a open world, survival and multiplayer game. Released on July 09th 2024 has received 188,777 reviews of which 149,103 were positive and 39,674 were negative resulting in a rating of 7.8 out of 10. While seeing 28,305 players online at once in the last 24 hours, this game is currently ranked #2 among open world games based on player count.
7.8
149,103
39,674
28,305
players
3. 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 is a open world, anime and action game. Released on April 28th 2025 has received 56,211 reviews of which 49,253 were positive and 6,958 were negative resulting in a rating of 8.6 out of 10. While seeing 17,166 players online at once in the last 24 hours, this game is currently ranked #3 among open world games based on player count.
8.6
49,253
6,958
17,166
players
4. Destiny 2
Explore the mysteries of Sol and experience exhilirating first-person shooter combat in Destiny 2. Unlock powerful abilities and collect unique gear across story missions, co-op, and PvP modes. Destiny 2 is a open world, multiplayer and looter shooter game. Released on October 01st 2019 has received 625,616 reviews of which 497,891 were positive and 127,725 were negative resulting in a rating of 7.9 out of 10. With 16,402 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played open world games.
7.9
497,891
127,725
16,402
players
5. Unturned
Unturned is an open-world zombie survival sandbox game. As one of the few not yet turned, you must fight to remain among the living. Unturned is a survival, zombies and multiplayer game. Released on July 07th 2017 has received 555,368 reviews of which 506,516 were positive and 48,852 were negative resulting in an impressive rating of 9.0 out of 10. With 13,796 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played open world games.
9.0
506,516
48,852
13,796
players
6. 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 is a mmorpg, pve and pvp game. Released on August 25th 2021 has received 14,904 reviews of which 9,743 were positive and 5,161 were negative resulting in a rating of 6.5 out of 10. With 11,865 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played open world games.
6.5
9,743
5,161
11,865
players
7. Where Winds Meet
Step into an open-world action-adventure RPG set in ancient China. Uncover the secrets of your own identity as you rise from a humble village wanderer to the sword master of the imperial capital. Learn martial arts and build your reputation as a hero or a bringer of chaos in this free wuxia world. Where Winds Meet is a open world, multiplayer and singleplayer game. Released on November 14th 2025 has received 115,598 reviews of which 99,933 were positive and 15,665 were negative resulting in a rating of 8.5 out of 10. With 9,447 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played open world games.
8.5
99,933
15,665
9,447
players
8. Albion Online
Albion Online is a fantasy sandbox MMORPG featuring a player-driven economy, classless combat system, and intense PvP battles. Explore a vast open world full of danger and opportunity. Grow your wealth, forge alliances, and leave your mark on the world of Albion. Albion Online is a mmorpg, open world and massively multiplayer game. Released on May 16th 2018 has received 83,074 reviews of which 65,583 were positive and 17,491 were negative resulting in a rating of 7.8 out of 10. With 7,325 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played open world games.
7.8
65,583
17,491
7,325
players
9. STALZONE
STALZONE is the PvPvE extraction shooter where you don't have to start over — and the only one with persistent world worth belonging to. You are invited to explore the Chernobyl Exclusion Zone twisted by anomalies and divided between rival factions whose territories shape the danger around you STALZONE is a extraction shooter, online co-op and open world game. Released on December 09th 2022 has received 108,945 reviews of which 78,605 were positive and 30,340 were negative resulting in a rating of 7.2 out of 10. With 5,888 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played open world games.
7.2
78,605
30,340
5,888
players
10. Throne and Liberty
Throne and Liberty captures the essence of classic MMORPGs while introducing new gameplay elements, depth and excitement at every turn. Gather your guild, prepare for battle, and set forth for throne... and liberty! Throne and Liberty is a mmorpg, open world and massively multiplayer game. Released on October 01st 2024 has received 68,859 reviews of which 46,162 were positive and 22,697 were negative resulting in a rating of 6.6 out of 10. With 5,016 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played open world games.
6.6
46,162
22,697
5,016
players
More Open World & Related Games
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