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
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.
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.
Battle Talent
Battle Talent is a challenging physics-based rogue-lite sword-fighting game, and now includes multiplayer mode, team up with friends to defeat enemies! You can create your own fighting style in a mega seamless procedural dungeon. With over 80 enemy variants, 100 weapons, and 60 perks.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 30th 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 1,153,288 reviews of which 1,116,314 were positive and 36,974 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 15,709 peak concurrent players over the last day.
9.6
1,116,314
36,974
15,709
players
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 226,078 reviews of which 217,239 were positive and 8,839 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,253 players online at once in the last 24 hours, this game is currently ranked #2 among moddable games based on player count.
9.5
217,239
8,839
4,253
players
3. 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 279,084 reviews of which 275,133 were positive and 3,951 were negative resulting in an impressive rating of 9.8 out of 10. While seeing 3,904 players online at once in the last 24 hours, this game is currently ranked #3 among moddable games based on player count.
9.8
275,133
3,951
3,904
players
4. 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 rpg, open world and fantasy game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on June 16th 2009 has received 49,768 reviews of which 47,458 were positive and 2,310 were negative resulting in an impressive rating of 9.4 out of 10. With 3,291 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played moddable games.
9.4
47,458
2,310
3,291
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 317,056 reviews of which 300,724 were positive and 16,332 were negative resulting in an impressive rating of 9.4 out of 10. With 1,982 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played moddable games.
9.4
300,724
16,332
1,982
players
6. 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 21,685 reviews of which 19,800 were positive and 1,885 were negative resulting in a rating of 8.9 out of 10. With 1,414 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played moddable games.
8.9
19,800
1,885
1,414
players
7. 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 29,060 reviews of which 27,884 were positive and 1,176 were negative resulting in an impressive rating of 9.4 out of 10. With 1,061 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played moddable games.
9.4
27,884
1,176
1,061
players
8. 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 57,086 reviews of which 55,191 were positive and 1,895 were negative resulting in an impressive rating of 9.5 out of 10. With 422 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played moddable games.
9.5
55,191
1,895
422
players
9. 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 50,312 reviews of which 40,828 were positive and 9,484 were negative resulting in a rating of 8 out of 10. With 367 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played moddable games.
8
40,828
9,484
367
players
10. 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 74,463 reviews of which 71,194 were positive and 3,269 were negative resulting in an impressive rating of 9.4 out of 10. With 345 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played moddable games.
9.4
71,194
3,269
345
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 30th 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 6,492 reviews of which 5,810 were positive and 682 were negative resulting in a rating of 8.7 out of 10. Featuring a massive 94% discount, this game currently holds the #1 spot in the best deals for moddable category.
8.7
5,810
682
-94%
22.33€
1.34€
2. Ashes of the Singularity: Escalation
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat. Ashes of the Singularity: Escalation is a rts, base-building and pvp game developed by Stardock Entertainment and Oxide Games and published by Stardock Entertainment. Released on November 10th 2016 has received 4,743 reviews of which 3,532 were positive and 1,211 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in moddable games.
7.3
3,532
1,211
-94%
29.17€
1.75€
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 226,078 reviews of which 217,239 were positive and 8,839 were negative resulting in an impressive rating of 9.5 out of 10. Thanks to its incredible 77% discount, this game is now the #3 best deal in moddable games.
9.5
217,239
8,839
-77%
10.17€
2.34€
4. 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 7,621 reviews of which 6,381 were positive and 1,240 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 72% discount, this title has earned the #4 position in the best deals for moddable games.
8.1
6,381
1,240
-72%
24.39€
6.83€
5. 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 29,060 reviews of which 27,884 were positive and 1,176 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 #5 position in the best deals for moddable games.
9.4
27,884
1,176
-67%
24.55€
8.10€
6. 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 21,685 reviews of which 19,800 were positive and 1,885 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 66% discount, this title has earned the #6 position in the best deals for moddable games.
8.9
19,800
1,885
-66%
39.56€
13.45€
7. Airships: Conquer the Skies
Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies! Airships: Conquer the Skies is a vehicular combat, 4x and war game developed and published by David Stark. Released on August 16th 2018 has received 5,836 reviews of which 5,598 were positive and 238 were negative resulting in an impressive rating of 9.3 out of 10. Currently offered at a significant 60% discount, this title has earned the #7 position in the best deals for moddable games.
9.3
5,598
238
-60%
24.50€
9.80€
8. 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 317,056 reviews of which 300,724 were positive and 16,332 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 #8 position in the best deals for moddable games.
9.4
300,724
16,332
-58%
15.17€
6.37€
9. Star Traders: Frontiers
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue. Star Traders: Frontiers is a sci-fi, moddable and simulation game developed and published by Trese Brothers. Released on July 31st 2018 has received 3,596 reviews of which 3,030 were positive and 566 were negative resulting in a rating of 8.1 out of 10. Currently offered at a 50% discount, this title has earned the #9 position in the best deals for moddable games.
8.1
3,030
566
-50%
14.79€
7.39€
10. KitHack Model Club
Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles! KitHack Model Club is a moddable, open world and vehicular combat game developed by Floating Origin Interactive and published by Floating Origin Interactive and Curve Games. Released on August 01st 2024 has received 580 reviews of which 500 were positive and 80 were negative resulting in a rating of 8.1 out of 10. Currently offered at a 50% discount, this title has earned the #10 position in the best deals for moddable games.
8.1
500
80
-50%
18.99€
9.49€
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 30th 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 700 reviews of which 695 were positive and 5 were negative resulting in an impressive rating of 9.2 out of 10. With 224 active players enjoying it for free, this strategy game has reached the #1 spot among the top free moddable games on Steam.
9.2
695
5
224
players