Most Popular Moddable Games on Steam

Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated moddable games.

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Counter-Strike 2 For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.

Price Free to play
Rating 8.6
Release 21 Aug 2012
Left 4 Dead 2 Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

Price 9.75€
Rating 9.7
Release 16 Nov 2009
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.

Price 9.99€
Rating 9.6
Release 29 Nov 2006
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.

Price -60% 8.17€
Rating 9.7
Release 12 Oct 2012
Sid Meier’s Civilization® VI Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?

Price -95% 3.19€
Rating 8.6
Release 20 Oct 2016
Cities: Skylines Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.

Price 27.99€
Rating 9.2
Release 10 Mar 2015
Arma 3 Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.

Price -82% 5.59€
Rating 9.0
Release 12 Sep 2013
Half-Life 2 Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.

Price 9.75€
Rating 9.7
Release 16 Nov 2004
Mount & Blade II: Bannerlord A strategy/action RPG. Create a character, engage in diplomacy, craft, trade and conquer new lands in a vast medieval sandbox. Raise armies to lead into battle and command and fight alongside your troops in massive real-time battles using a deep but intuitive skill-based combat system.

Price -70% 15.09€
Rating 8.7
Release 25 Oct 2022
Sid Meier's Civilization® V Create, discover, and download new player-created maps, scenarios, interfaces, and more!

Price -93% 2.10€
Rating 9.5
Release 23 Sep 2010
Counter-Strike: Source Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.

Price 9.75€
Rating 9.5
Release 01 Nov 2004
Half-Life Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

Price 8.19€
Rating 9.5
Release 19 Nov 1998
Grim Dawn Enter an apocalyptic fantasy world where humanity is on the brink of extinction, iron is valued above gold and trust is hard earned. This ARPG features complex character development, hundreds of unique items, crafting and quests with choice & consequence.

Price -22% 19.58€
Rating 9.2
Release 25 Feb 2016
BeamNG.drive A dynamic soft-body physics vehicle simulator capable of doing just about anything.

Price -30% 15.85€
Rating 9.6
Release 29 May 2015
The Elder Scrolls V: Skyrim Special Edition Winner of more than 200 Game of the Year Awards, The Elder Scrolls V: Skyrim Special Edition brings the epic fantasy to life in stunning detail. The Special Edition includes the critically acclaimed game and add-ons with all-new features.

Price -83% 6.82€
Rating 9.1
Release 27 Oct 2016
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.

Price -70% 4.54€
Rating 9.4
Release 10 Nov 2011
People Playground Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

Price -24% 6.30€
Rating 9.8
Release 23 Jul 2019
Fallout: New Vegas Welcome to Vegas. New Vegas. Enjoy your stay!

Price -80% 2.04€
Rating 9.5
Release 21 Oct 2010
Factorio Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.

Price -29% 22.87€
Rating 9.6
Release 14 Aug 2020
RimWorld A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

Price -55% 14.61€
Rating 9.7
Release 17 Oct 2018
Divinity: Original Sin 2 - Definitive Edition The critically acclaimed RPG that raised the bar, from the creators of Baldur's Gate 3. Gather your party. Master deep, tactical combat. Venture as a party of up to four - but know that only one of you will have the chance to become a God.

Price 44.99€
Rating 9.5
Release 14 Sep 2017
Mount & Blade: Warband In a land torn asunder by incessant warfare, it is time to assemble your own band of hardened warriors and enter the fray. Lead your men into battle, expand your realm, and claim the ultimate prize: the throne of Calradia!

Price -71% 5.88€
Rating 9.7
Release 31 Mar 2010
Grand Theft Auto IV: The Complete Edition Niko Bellic, Johnny Klebitz and Luis Lopez all have one thing in common - they live in the worst city in America. Liberty City worships money and status, and is heaven for those who have them and a living nightmare for those who don't.

Price 19.99€
Rating 8.2
Release 24 Mar 2020
Assetto Corsa Assetto Corsa v1.16 introduces the new "Laguna Seca" laser-scanned track, 7 new cars among which the eagerly awaited Alfa Romeo Giulia Quadrifoglio! Check the changelog for further info!

Price -89% 2.33€
Rating 9.2
Release 19 Dec 2014
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.

Price -95% 2.63€
Rating 8.6
Release 13 Aug 2013
POSTAL 2 Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

Price -95% 0.54€
Rating 9.6
Release 02 Nov 2012
Just Cause™ 3 With over 1000 km² of complete freedom from sky to seabed, Rico Rodriguez returns to unleash chaos in the most creative and explosive ways imaginable.

Price 19.99€
Rating 8.3
Release 30 Nov 2015
Blender Blender is the free and open source 3D creation suite. Free to use for everyone, for any purpose.

Price Free to play
Rating 9.5
Release 24 Apr 2015
Prison Architect Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.

Price -84% 4.07€
Rating 8.8
Release 06 Oct 2015
Left 4 Dead From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

Price 9.75€
Rating 9.5
Release 17 Nov 2008
Call of Duty®: Modern Warfare® 2 (2009) The most-anticipated game of the year and the sequel to the best-selling first-person action game of all time, Modern Warfare 2 continues the gripping and heart-racing action as players face off against a new threat dedicated to bringing the world to the brink of collapse.

Price -17% 16.60€
Rating 9.2
Release 11 Nov 2009
Grand Theft Auto V Enhanced Experience entertainment blockbusters Grand Theft Auto V and Grand Theft Auto Online — now upgraded for a new generation with stunning visuals, faster loading, 3D audio, and more, plus exclusive content for GTA Online players.

Price -50% 14.99€
Rating 6.8
Release 04 Mar 2025
American Truck Simulator Experience legendary American trucks and deliver various cargoes across sunny California, sandy Nevada, and the Grand Canyon State of Arizona. American Truck Simulator takes you on a journey through the breathtaking landscapes and widely recognized landmarks around the States.

Price -74% 5.23€
Rating 9.6
Release 02 Feb 2016
Stellaris Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.

Price -85% 6.35€
Rating 8.5
Release 09 May 2016
Kerbal Space Program In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Price -88% 4.71€
Rating 9.4
Release 27 Apr 2015
Crusader Kings III Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages.

Price -82% 9.42€
Rating 8.9
Release 01 Sep 2020

Most played moddable games


18,859 players

1,122,546
37,161
Rating 9.6

6,652 players

218,763
8,937
Rating 9.5

4,227 players

277,746
4,017
Rating 9.8

1,728 players

28,630
1,211
Rating 9.4

564 players

55,566
1,919
Rating 9.5

417 players

41,078
9,515
Rating 8

375 players

71,341
3,271
Rating 9.4

145 players

1,016
6
Rating 9.3

141 players

6,433
1,251
Rating 8.1