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.
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Simutrans
Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions.
Melody's Escape
Run, jump and slide to the rhythm of your own music library! In Melody's Escape, advanced audio detection algorithms transcribe the energy that you feel when listening to music into a synchronized gameplay experience, with a captivating and dynamic obstacle course.
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.
Neon Chrome
A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?
Domino Sky
Domino Sky is a physics based game where you place and topple domino pieces to solve puzzles. Free build mode also available.
Hot Dogs, Horseshoes & Hand Grenades
Do you like hot dogs? How about horseshoes? Hand grenades? (everyone likes hand grenades) Anyway, we've got all that, and guns. SO MANY GUNS. So if you like ordnance, meat, and far too many groan-worthy puns, this is the VR sandbox game for you.
Epistory - Typing Chronicles
Epistory immerses you in an atmospheric action/adventure game where you play a girl riding a giant fox who fights an insectile corruption from an origami world. As you progress and explore this world, the story literally unfolds and the mysteries of the magic power of the words are revealed.
Gremlins, Inc.
This is an intense strategy board game in a steampunk world of corrupt capitalist gremlins who compete for money, political power and prestige. Save and invest, steal and extort, arrest and get arrested – in single-player and multiplayer, with ranks and ladders, team mode and spectator mode.
Bus Simulator 16
Get behind the wheel of 13 realistic city buses licensed by known city bus manufacturers such as Mercedes-Benz and MAN. Keep an eye on the traffic code and drive your passengers safely to their destinations through five characteristic city districts.
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.
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.
Sven Co-op
Sven Co-op is a co-operative game originally based around Valve Software's Half-Life. In this game players must work together against computer controlled enemies and solve puzzles as a team.
Starward Rogue
Starward Rogue is a bullet hell twin-stick shooter. Blast your way through the Megalith, a rogue-lite labyrinth lodged in the side of a star. Customize your mech with a huge variety of weapons, perks, and upgrades. Steel yourself for the dangers that lurk in the depths of the dungeon.
Scrap Mechanic
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
SimplePlanes
Build airplanes by snapping parts together, designing wing sections, and attaching engines. At any time, you can strap yourself into the cockpit and see how it flies with realistic physics. If you're not in the mood for building, over 100,000 airplanes are available to download for free.
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.
Conquest of Elysium 4
Conquest of Elysium 4 is a quick turn based fantasy strategy game with a touch of rogue-like. The game is full of depth, details and monsters. There are also a huge number of factions, each with its own unique gameplay and magic rituals.
rFactor 2
rFactor 2 is a realistic, easily extendable racing simulation that offers race customization, great graphics, outstanding multiplayer and the height of racing realism. It features mixed class road racing with ultra realistic dynamics, an immersive sound environment and stunning graphics.
Sonic Lost World
When the Deadly Six threaten to destroy his world, Sonic’s new moves & power-ups are the only way to defeat them before it’s too late!
Keep Talking and Nobody Explodes
Find yourself trapped alone in a room with a ticking time bomb. Your friends have the manual to defuse it, but they can't see the bomb, so you're going to have to talk it out – fast!
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.
Train Simulator Classic
The ultimate railway hobby for more than 15 years! From historic steam locomotives to modern high-speed and heavy freight trains, and routes around the world, Train Simulator Classic is the simulation made by railfans for railfans.
Big Pharma
What if you had it in your power to rid the world of disease, to improve the lives of millions, to ease suffering and cure the sick… and earn a tidy profit? As the head of your own Pharmaceutical Conglomerate you have this power resting in your hands. Will you use it for good?
Barony
Barony is the premier first-person roguelike with cooperative play! Adventure alone, or gather a party with iconic and unusual RPG classes to face off against the brutal dungeons. Test your resourcefulness, wits, and friendships, on your quest to lift the evil lich's curse!