Most Played Moddable Games on Steam
Take a look at the top moddable games that are currently attracting the largest player bases on the Steam platform, as of July 31st 2025. Want to explore even more moddable titles available on Steam? Explore the complete list of the best moddable games.
Lists & Categories
1. Garry's Mod
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play. Garry's Mod is a game developed and published by . Released on November 29th 2006 has received 1,159,707 reviews of which 1,122,546 were positive and 37,161 were negative resulting in an impressive rating of 9.6 out of 10. The game has hit the top spot as the #1 most played moddable game, thanks to its 22,152 peak concurrent players over the last day.
9.6
1,122,546
37,161
22,152
players
2. People Playground
Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space. People Playground is a game developed and published by . Released on July 23rd 2019 has received 281,763 reviews of which 277,746 were positive and 4,017 were negative resulting in an impressive rating of 9.8 out of 10. While seeing 4,612 players online at once in the last 24 hours, this game is currently ranked #2 among moddable games based on player count.
9.8
277,746
4,017
4,612
players
3. Fallout: New Vegas
Welcome to Vegas. New Vegas. Enjoy your stay! Fallout: New Vegas is a game developed and published by . Released on October 21st 2010 has received 227,700 reviews of which 218,763 were positive and 8,937 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,346 players online at once in the last 24 hours, this game is currently ranked #3 among moddable games based on player count.
9.5
218,763
8,937
4,346
players
4. Car Mechanic Simulator 2021
Work your way to a service empire. Get your hands dirty in a highly realistic simulation game that pays major attention to details. Pay a visit to a new Auction house and buy cars in various conditions. Expand your range of services by investing in a new work space and equipment. Car Mechanic Simulator 2021 is a game developed and published by . Released on August 11th 2021 has received 29,841 reviews of which 28,630 were positive and 1,211 were negative resulting in an impressive rating of 9.4 out of 10. With 2,377 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played moddable games.
9.4
28,630
1,211
2,377
players
5. Blade and Sorcery
Blade & Sorcery is a built-for-VR medieval fantasy with full physics driven melee, ranged and magic combat. Become a powerful warrior, ranger or sorcerer and devastate your enemies. Blade and Sorcery is a game developed and published by . Released on June 17th 2024 has received 57,485 reviews of which 55,566 were positive and 1,919 were negative resulting in an impressive rating of 9.5 out of 10. With 596 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played moddable games.
9.5
55,566
1,919
596
players
6. The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
PUBLISHER UPDATE - This is the product page for The Elder Scrolls IV: Oblivion Game of the Year Edition, released in 2009. ---The Elder Scrolls IV: Oblivion® Game of the Year Edition presents one of the best RPGs of all time like never before. Step inside the most richly detailed and vibrant game-world ever created. The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009) is a game developed and published by . Released on June 16th 2009 has received 50,661 reviews of which 48,307 were positive and 2,354 were negative resulting in an impressive rating of 9.4 out of 10. With 496 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played moddable games.
9.4
48,307
2,354
496
players
7. Beat Saber
Beat Saber is a VR rhythm game where you slash the beats of adrenaline-pumping music as they fly towards you, surrounded by a futuristic world. Beat Saber is a game developed and published by . Released on May 21st 2019 has received 74,612 reviews of which 71,341 were positive and 3,271 were negative resulting in an impressive rating of 9.4 out of 10. With 467 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played moddable games.
9.4
71,341
3,271
467
players
8. Fallout 3: Game of the Year Edition
Prepare for the Future™ With Fallout 3: Game of the Year Edition, experience the most acclaimed game of 2008 like never before. Create a character of your choosing and descend into an awe-inspiring, post-apocalyptic world where every minute is a fight for survival. Fallout 3: Game of the Year Edition is a game developed and published by . Released on December 17th 2009 has received 50,593 reviews of which 41,078 were positive and 9,515 were negative resulting in a rating of 8 out of 10. With 355 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played moddable games.
8
41,078
9,515
355
players
9. DFHack - Dwarf Fortress Modding Engine
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools. DFHack - Dwarf Fortress Modding Engine is a game developed and published by . Released on April 13th 2023 has received 773 reviews of which 768 were positive and 5 were negative resulting in an impressive rating of 9.3 out of 10. With 185 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played moddable games.
9.3
768
5
185
players
10. Airport CEO
Build and manage an international airport! Airport CEO is a game developed and published by . Released on March 04th 2021 has received 7,684 reviews of which 6,433 were positive and 1,251 were negative resulting in a rating of 8.1 out of 10. With 176 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played moddable games.
8.1
6,433
1,251
176
players
More Moddable & Related Games
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