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, check out lists of the most played, top deals and best free to play Moddable games on Steam.
Filters & Lists
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!
Defender's Quest: Valley of the Forgotten (DX edition)
Defender's Quest is a Tower-Defense/RPG Hybrid tightly focuses on three things: tactical depth, customization, and story
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.
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?
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.
Source Filmmaker
The Source Filmmaker (SFM) is the movie-making tool built and used by us here at Valve to make movies inside the Source game engine. Because the SFM uses the same assets as the game, anything that exists in the game can be used in the movie, and vice versa.
Thief™ Gold
Stalk your prey on the quest for stolen goods with your blackjack, sword, and an assortment of unique arrows. Steal for money and uncover the hidden agendas of your allies and enemies as you play through an unravelling story of deception and revenge.
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.
Crusader Kings II
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.
Galactic Civilizations® II: Ultimate Edition
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
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.
Sonic Generations Collection
Celebrate 20 years of Sonic in an all new adventure that delivers a definitive experience to Sonic fans new and old!
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.
Dungeons of Dredmor
Test your luck and cunning in this exciting RPG as you craft, cast, and pillage your way through Lord Dredmor's Dungeons.