Discounted 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
Distant Worlds: Universe
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
Age of Wonders III
Age of Wonders III is the long anticipated sequel to the award-winning strategy series. Delivering a unique mix of Empire Building, Role Playing and Warfare, Age of Wonders III offers the ultimate in turn-based fantasy strategy for veterans of the series and new players alike!
Original War
An American geological expedition, under a UN mandate, assesses the natural resources in a distant part of Siberia, deep in the trackless steppes of Eastern Russia. But instead of oil, they discover a deposit of a hitherto unknown mineral.
OMSI 2: Steam Edition
Off to the next round! Experience a new omnibus simulator with OMSI 2 and start discovering Spandau while driving the omnibus. OMSI 2 is the successor of the well-known and awarded omnibus simulator "OMSI - The Bus Simulator".
Arma 3
Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war.
Total War: ROME II - Emperor Edition
Emperor Edition is the definitive edition of ROME II, featuring an improved politics system, overhauled building chains, rebalanced battles and improved visuals in both campaign and battleEmperor Edition contains all free feature updates since its release in 2013, which includes bug fixes, balancing, Twitch.
Game Dev Tycoon
In Game Dev Tycoon you replay the history of the gaming industry by starting your own video game development company in the 80s. Create best selling games. Research new technologies and invent new game types. Become the leader of the market and gain worldwide fans.
Europa Universalis IV
Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages.
ShootMania Storm
ShootMania the FPS “Powered By Players”ShootMania Storm is revolutionizing the multiplayer FPS by adding a community dimension and unlimited replayability. Developed by the Nadeo studio, renowned for community racing game, TrackMania, ShootMania Storm boasts quick-fire matches and epic battles, where only your talent will distinguish you...
Euro Truck Simulator
The original Euro Truck Simulator - the game which has become the classic of the genre and is still relevant today. The first truck simulation game in a European setting, with European long haul trucks!
Scribblenauts Unlimited
The best-selling, award-winning franchise is back – on your home PC in gorgeous HD for the first time.
Euro Truck Simulator 2
Travel across Europe as king of the road, a trucker who delivers important cargo across impressive distances! With dozens of cities to explore, your endurance, skill and speed will all be pushed to their limits.
Torchlight II
The adventure continues in Torchlight II! An Action RPG filled with epic battles, bountiful treasure, and a fully randomized world. Bring your friends along for the journey with online and LAN multiplayer.
STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™
5 years after the events of the award winning original, the Sith are on the verge of crushing the Old Republic. As a lone Jedi, will you follow the light side or succumb to the dark?
Legend of Grimrock
Use the Dungeon Editor to build entirely new adventures and challenges for other players to solve.
A Total War Saga: FALL OF THE SAMURAI
Experience the dramatic conflict of samurai culture and modern weaponry between the Imperial throne and the last Shogunate in 19th century Japan.
Sins of a Solar Empire: Trinity®
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
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.
Dungeon Defenders
Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!
Supreme Commander: Forged Alliance
The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.
ARMA: Cold War Assault
Bohemia Interactive's debut game published by Codemasters as Operation Flashpoint in 2001, became genre-defining combat military simulation and the No. 1 bestselling PC game around the world and has won many international awards, including “Game of The Year” and “Best Action Game”. Over 2 million copies have been sold since its release.
Quake 4
As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.
Total War: SHOGUN 2
Total War: SHOGUN 2 is the perfect mix of real-time and turn-based strategy gaming for newcomers and veterans alike.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