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
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".
Contagion
Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.
Democracy 3
Have you ever wanted to be president? or prime-minister? Convinced you could do a better job of running the country? Let's face it, you could hardly do a worse job than our current political leaders.
Farming Simulator 2013 Titanium Edition
Animal husbandry, crops, sales… It's up to you to manage and grow your own farm in a huge, totally new world!
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.
Shadowrun Returns
The unique cyberpunk-meets-fantasy world of Shadowrun has gained a huge cult following since its creation nearly 25 years ago. Now, creator Jordan Weisman returns to the world of Shadowrun, modernizing this classic game setting as a single player, turn-based tactical RPG.
Don't Starve
Don’t Starve is an uncompromising wilderness survival game full of science and magic. Enter a strange and unexplored world full of strange creatures, dangers, and surprises. Gather resources to craft items and structures that match your survival style.
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.
Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
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.
Cortex Command
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
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.
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.
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.
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 June 16th 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 1,159,707 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 22,299 peak concurrent players over the last day.
9.6
1,122,546
37,161
22,299
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 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 4,762 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
4,762
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 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 4,399 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
4,399
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 simulation, automobile sim and realistic game developed by Red Dot Games and published by PlayWay S.A.. 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 1,444 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
1,444
players
5. 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 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 904 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played moddable games.
9.4
48,307
2,354
904
players
6. 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 57,485 reviews of which 55,566 were positive and 1,919 were negative resulting in an impressive rating of 9.5 out of 10. With 773 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played moddable games.
9.5
55,566
1,919
773
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 vr, rhythm and music game developed and published by Beat Games. 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 505 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
505
players
8. 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 7,684 reviews of which 6,433 were positive and 1,251 were negative resulting in a rating of 8.1 out of 10. With 458 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played moddable games.
8.1
6,433
1,251
458
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 50,593 reviews of which 41,078 were positive and 9,515 were negative resulting in a rating of 8 out of 10. With 380 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played moddable games.
8
41,078
9,515
380
players
10. 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 742 reviews of which 737 were positive and 5 were negative resulting in an impressive rating of 9.3 out of 10. With 181 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played moddable games.
9.3
737
5
181
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 June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted moddable games.
1. 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 4,772 reviews of which 3,548 were positive and 1,224 were negative resulting in a rating of 7.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for moddable category.
7.2
3,548
1,224
-99%
28.99€
0.56€
2. 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 6,608 reviews of which 5,916 were positive and 692 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 97% discount, this game is now the #2 best deal in moddable games.
8.7
5,916
692
-97%
20.99€
0.73€
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 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. Thanks to its incredible 92% discount, this game is now the #3 best deal in moddable games.
9.5
218,763
8,937
-92%
9.99€
0.85€
4. 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 588 reviews of which 505 were positive and 83 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 88% discount, this title has earned the #4 position in the best deals for moddable games.
8.1
505
83
-88%
18.99€
2.42€
5. 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 7,684 reviews of which 6,433 were positive and 1,251 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 81% discount, this title has earned the #5 position in the best deals for moddable games.
8.1
6,433
1,251
-81%
24.50€
4.80€
6. 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 5,947 reviews of which 5,706 were positive and 241 were negative resulting in an impressive rating of 9.3 out of 10. Currently offered at a 50% discount, this title has earned the #6 position in the best deals for moddable games.
9.3
5,706
241
-50%
24.50€
12.25€
7. Rolling Line
Build your own model railway tracks and scenery or explore pre-made layouts, including 1000s of player-made layouts and mods on the Steam Workshop! Play in virtual reality and on PC! Rolling Line is a trains, simulation and sandbox game developed and published by Gaugepunk Games. Released on April 27th 2018 has received 2,187 reviews of which 2,100 were positive and 87 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a 44% discount, this title has earned the #7 position in the best deals for moddable games.
9.2
2,100
87
-44%
16.79€
9.41€
8. Citadelum
Citadelum is a city builder set in legendary Ancient Rome. Build your own settlement, gather resources and evolve it into a magnificent city. Explore the world, trade and lead your mighty legions in epic tactical battles. Earn the favor of the Gods or challenge them, if you dare. Citadelum is a moddable, singleplayer and city builder game developed by Abylight Barcelona and published by Abylight Studios. Released on October 17th 2024 has received 720 reviews of which 591 were positive and 129 were negative resulting in a rating of 7.8 out of 10. Currently offered at a 39% discount, this title has earned the #8 position in the best deals for moddable games.
7.8
591
129
-39%
24.99€
15.38€
9. 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 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. Currently offered at a 37% discount, this title has earned the #9 position in the best deals for moddable games.
9.8
277,746
4,017
-37%
8.19€
5.20€
10. 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 realistic game developed by Red Dot Games and published by PlayWay S.A.. 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. Currently offered at a 22% discount, this title has earned the #10 position in the best deals for moddable games.
9.4
28,630
1,211
-22%
24.50€
19.21€
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 June 16th 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 742 reviews of which 737 were positive and 5 were negative resulting in an impressive rating of 9.3 out of 10. With 181 active players enjoying it for free, this strategy game has reached the #1 spot among the top free moddable games on Steam.
9.3
737
5
181
players