Best Moddable games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated moddable games. For those who prefer not to search, lists of the most played, top deals and best free moddable games are available at the bottom of the page.
Filters & Lists
Ancient Warfare 3
Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...
Against the Storm
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
Soulash 2
Soulash 2 is a sandbox RPG roguelike with a procedurally generated open world, simulated history, skill-based progression system, customizable abilities, material-based crafting, building, trading, and the possibility of total mayhem. Will you save your world or destroy it?
Truck & Logistics Simulator
Load, drive, and deliver through a huge open world with up to 24 players in cross-platform multiplayer. Join your friends in exciting heavy transport convoys. Jump into the driver's seat of more than 30 unique vehicles and carry out complex loading tasks to deliver a variety of cargo.
DAVIGO: VR vs. PC
DAVIGO is a VR vs. PC physics-based battle game. Become the GIANT in VR or a small KNIGHT on PC and fight your friends in local or online matches. KNIGHTS play for free with DAVIGO KNIGHT'S PASS.
Backpack Hero
The inventory management roguelike! Collect rare items, organize your backpack, and vanquish your foes!
GearBlocks
Explore a world of creative building, interactive machines, and gears - lots of gears. Build all things mechanical: cars, trucks, cranes, tanks, gearboxes, engines, clocks, anything you can think of. Test your creations to destruction in challenging scenarios, and share them in the workshop!
Galactic Civilizations IV
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
WORLD OF HORROR
Experience the quiet terror of this 1-bit love letter to Junji Ito and H.P. Lovecraft. Navigate a hellish roguelite reality with turn-based combat and unforgiving choices. Experiment with your deck of event cards to discover new forms of cosmic horror in every playthrough. The inevitable awaits...
Cube Chaos
Cube Chaos is a complex strategy rogue-lite about placing units to create giant armies, factories, combos, or self replicating murder crabs, overwhelming and outsmarting your opponents. Build and adapt new strategies each run using a ludicrous variety of units, perks and more.
Legendary Creatures 2
Sequel to the acclaimed Legendary Creatures, created by HideChara, and a fun treat combining both roguelike and auto-battler gameplay. Recruit and evolve a large array of troops, creatures, and an arsenal of weapons, to defeat the demon lord spreading corruption across the land.
RAILGRADE
RAILGRADE is the train RTS game! Construct dense vertical railroads, build cities, construct vast factory chains with train automation! Restore an off world colony's economy all in the intense story driven campaign or relaxing sandbox mode!
InfraSpace
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.
Untitled Ghost Game
Free multiplayer 2D ghost hunting game that you can play with friends created by a small game dev team.
Pyroworks
Pyroworks is a free-to-play online multiplayer game containing fireworks from real-life companies from all over the globe. You can choose to make your own show, cause destruction and chaos or simulate new years. Don't miss out on playing with your friends - the most fun part.
Highrise City
Highrise City offers a new spin on City Simulations & Tycoon games expanding the economy and resource management aspect. Experience a modern take on the genre enriched with a complex resource based economy system.
VPet-Simulator
Feeling like the computer desktop is too dull? Need something cute to heal oneself? Come and try this new completely free and open source V-Pet simulator. A cute and adorable pet that supports various feeding interactions to accompany you in game learning is definitely your best choice!
Rise of the Triad: Ludicrous Edition
The HUNT Returns... AGAIN! Play the original Cult Classic '90s FPS remastered in 4K Ultrawide with UNLIMITED frame rates, RESTORED content, NEW episodes, a LEVEL EDITOR, online MULTIPLAYER, LUDICROUS gameplay options and MORE. Make 'em EAT LEAD or they'll bury you in a lunchbox!
Supreme Ruler 2030
Rise to power as any modern day country in a realistic military, political and economic simulation. Command your country's diplomacy, espionage, and resource management to strengthen your position. Use real-time tactical control of your military to fortify your place as the Supreme Ruler.
Xenonauts 2
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
Open Mod 2024.2
Open Mod is an entirely free to play, niche, tactical, extreme hardcore first person shooter with immersive aspects that may not have been seen before.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 April 15th 2025.
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 sandbox, moddable and multiplayer game developed by Facepunch Studios and published by Valve. Released on November 29th 2006 has received 1,150,066 reviews of which 1,113,171 were positive and 36,895 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 28,494 peak concurrent players over the last day.
9.6
1,113,171
36,895
28,494
players
2. People Playground
Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space. People Playground is a sandbox, gore and physics game developed by mestiez and published by Studio Minus. Released on July 23rd 2019 has received 277,891 reviews of which 273,962 were positive and 3,929 were negative resulting in an impressive rating of 9.8 out of 10. While seeing 5,894 players online at once in the last 24 hours, this game is currently ranked #2 among moddable games based on player count.
9.8
273,962
3,929
5,894
players
3. Fallout: New Vegas
Welcome to Vegas. New Vegas. Enjoy your stay! Fallout: New Vegas is a open world, rpg and post-apocalyptic game developed by Obsidian Entertainment and published by Bethesda Softworks. Released on October 21st 2010 has received 225,222 reviews of which 216,413 were positive and 8,809 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,699 players online at once in the last 24 hours, this game is currently ranked #3 among moddable games based on player count.
9.5
216,413
8,809
4,699
players
4. Workers & Resources: Soviet Republic
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity. Workers & Resources: Soviet Republic is a strategy, simulation and city builder game developed by 3Division and published by Hooded Horse. Released on June 20th 2024 has received 21,524 reviews of which 19,651 were positive and 1,873 were negative resulting in a rating of 8.9 out of 10. With 3,421 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played moddable games.
8.9
19,651
1,873
3,421
players
5. The Elder Scrolls V: Skyrim
EPIC FANTASY REBORN The next chapter in the highly anticipated Elder Scrolls saga arrives from the makers of the 2006 and 2008 Games of the Year, Bethesda Game Studios. Skyrim reimagines and revolutionizes the open-world fantasy epic, bringing to life a complete virtual world open for you to explore any way you choose. The Elder Scrolls V: Skyrim is a open world, rpg and fantasy game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on November 10th 2011 has received 316,940 reviews of which 300,631 were positive and 16,309 were negative resulting in an impressive rating of 9.4 out of 10. With 2,145 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played moddable games.
9.4
300,631
16,309
2,145
players
6. 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 simulation, automobile sim and sandbox game developed by Red Dot Games and published by PlayWay S.A.. Released on August 11th 2021 has received 28,896 reviews of which 27,723 were positive and 1,173 were negative resulting in an impressive rating of 9.4 out of 10. With 1,879 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played moddable games.
9.4
27,723
1,173
1,879
players
7. The Elder Scrolls IV: Oblivion® Game of the Year Edition
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. With a powerful combination of freeform gameplay and unprecedented graphics, you can unravel the main quest at your own pace or explore the vast... The Elder Scrolls IV: Oblivion® Game of the Year Edition is a rpg, open world and fantasy game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on June 16th 2009 has received 49,108 reviews of which 46,854 were positive and 2,254 were negative resulting in an impressive rating of 9.4 out of 10. With 1,196 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played moddable games.
9.4
46,854
2,254
1,196
players
8. 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 vr, rhythm and music game developed and published by Beat Games. Released on May 21st 2019 has received 74,400 reviews of which 71,130 were positive and 3,270 were negative resulting in an impressive rating of 9.4 out of 10. With 723 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played moddable games.
9.4
71,130
3,270
723
players
9. 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 vr, swordplay and moddable game developed and published by WarpFrog. Released on June 17th 2024 has received 56,906 reviews of which 55,019 were positive and 1,887 were negative resulting in an impressive rating of 9.5 out of 10. With 678 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played moddable games.
9.5
55,019
1,887
678
players
10. 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 open world, rpg and post-apocalyptic game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on December 17th 2009 has received 50,177 reviews of which 40,709 were positive and 9,468 were negative resulting in a rating of 8.0 out of 10. With 499 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played moddable games.
8.0
40,709
9,468
499
players
Best deals on moddable games on Steam
Discover fantastic savings with the best discounts on a variety of moddable games available on Steam right now, updated on April 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted moddable games.
1. 112 Operator
Manage emergency services in any city in the world! Take calls and dispatch rescue forces. Handle difficult situations, now depending on the weather, and traffic. Help the citizens through cataclysms and natural disasters, becoming a better emergency number operator every day! 112 Operator is a simulation, realistic and casual game developed by Jutsu Games and published by Games Operators. Released on April 23rd 2020 has received 6,439 reviews of which 5,761 were positive and 678 were negative resulting in a rating of 8.7 out of 10. Featuring a massive 86% discount, this game currently holds the #1 spot in the best deals for moddable category.
8.7
5,761
678
-86%
21.50€
3.01€
2. Fallout: New Vegas
Welcome to Vegas. New Vegas. Enjoy your stay! Fallout: New Vegas is a open world, rpg and post-apocalyptic game developed by Obsidian Entertainment and published by Bethesda Softworks. Released on October 21st 2010 has received 225,222 reviews of which 216,413 were positive and 8,809 were negative resulting in an impressive rating of 9.5 out of 10. Thanks to its incredible 77% discount, this game is now the #2 best deal in moddable games.
9.5
216,413
8,809
-77%
10.17€
2.34€
3. Airport CEO
Build and manage an international airport! Airport CEO is a flight, resource management and moddable game developed and published by Apog Labs. Released on March 04th 2021 has received 7,582 reviews of which 6,353 were positive and 1,229 were negative resulting in a rating of 8.2 out of 10. Thanks to its incredible 71% discount, this game is now the #3 best deal in moddable games.
8.2
6,353
1,229
-71%
24.69€
7.16€
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 simulation, automobile sim and sandbox game developed by Red Dot Games and published by PlayWay S.A.. Released on August 11th 2021 has received 28,896 reviews of which 27,723 were positive and 1,173 were negative resulting in an impressive rating of 9.4 out of 10. Currently offered at a significant 67% discount, this title has earned the #4 position in the best deals for moddable games.
9.4
27,723
1,173
-67%
24.15€
7.97€
5. Workers & Resources: Soviet Republic
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity. Workers & Resources: Soviet Republic is a strategy, simulation and city builder game developed by 3Division and published by Hooded Horse. Released on June 20th 2024 has received 21,524 reviews of which 19,651 were positive and 1,873 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 65% discount, this title has earned the #5 position in the best deals for moddable games.
8.9
19,651
1,873
-65%
40.40€
14.14€
6. The Elder Scrolls V: Skyrim
EPIC FANTASY REBORN The next chapter in the highly anticipated Elder Scrolls saga arrives from the makers of the 2006 and 2008 Games of the Year, Bethesda Game Studios. Skyrim reimagines and revolutionizes the open-world fantasy epic, bringing to life a complete virtual world open for you to explore any way you choose. The Elder Scrolls V: Skyrim is a open world, rpg and fantasy game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on November 10th 2011 has received 316,940 reviews of which 300,631 were positive and 16,309 were negative resulting in an impressive rating of 9.4 out of 10. Currently offered at a significant 58% discount, this title has earned the #6 position in the best deals for moddable games.
9.4
300,631
16,309
-58%
15.14€
6.36€
7. 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 sandbox, moddable and multiplayer game developed by Facepunch Studios and published by Valve. Released on November 29th 2006 has received 1,150,066 reviews of which 1,113,171 were positive and 36,895 were negative resulting in an impressive rating of 9.6 out of 10. Currently offered at a 40% discount, this title has earned the #7 position in the best deals for moddable games.
9.6
1,113,171
36,895
-40%
9.99€
5.99€
Free moddable games on Steam
Check out this fantastic list of free-to-play moddable games you can enjoy on Steam right now, updated on April 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play moddable games.
1. 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 dwarf, simulation and software game developed and published by The DFHack Team. Released on April 13th 2023 has received 692 reviews of which 687 were positive and 5 were negative resulting in an impressive rating of 9.2 out of 10. With 298 active players enjoying it for free, this strategy game has reached the #1 spot among the top free moddable games on Steam.
9.2
687
5
298
players