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.
Filters & Lists
Voxel Tycoon
Voxel Tycoon — a management sim set in the infinite voxel world. Mine resources and process them into goods on your custom factories. Set up supply chains and passenger routes with a huge fleet of trains, trucks, and buses, and turn small towns into prosperous megacities with a thriving economy!
OpenTTD
OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe.
Airport CEO
Build and manage an international airport!
Nebuchadnezzar
Create and customize cities in Nebuchadnezzar, a classic isometric city-builder where careful planning and define your rise as a ruler in ancient Mesopotamia.
Hellish Quart
A physics-based, realistic 3D sword-fighting game. Immerse yourself in a cinematic adventure, utilizing real sword-fighting martial arts and a variety of historically accurate weapons to survive brutal duels in 17th century Poland. Featuring single-player modes and a LOCAL 2-player mode.
Enter The Backrooms
An indie psychological horror experience about surviving infinity. Navigate an endless expanse of rooms, ascend through various levels, gather items and artifacts, avoid going insane, evade corrupted entities, and see just how deep the realm known as The Backrooms goes.
Academia : School Simulator
Design, build, and manage a high school with terrific teachers and fantastic facilities or simply let your students poop in the bushes? Academia : School Simulator is a management/tycoon game where you get to decide!
SCP: Escape Together
In the midst of a site-wide containment breach, you must team up with other Class-D personnel to escape the underground, isolated facility while evading the dangerous anomalies that have breached containment.
CrashMetal - Cyberpunk
CrashMetal - Cyberpunk The Hokuta City streets await your engine rev. Can you beat everyone in this race for first place? Upgrade your car, take care of its appearance and defeat everyone on the streets of the Hokuta City.
Fireworks Mania - An Explosive Simulator
FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.
Per Aspera
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
AOD: Art Of Defense
AOD is a new gameplay in the traditional tower defence genre. You must protect your base from waves of approaching enemies. Build and improve your towers and units and destroy your enemies in any way you can. Don't be weak, destroy them all, show who's in charge!
Winter Resort Simulator 2
Winter Resort Simulator 2 is the extensive simulation of a ski area with all its exciting technical facilities and vehicles.
ICBM
ICBM is a real-time strategy game of nuclear destruction. Research new technologies, build up your nuclear stockpile and use a combination of ships, planes and missiles to strike at the heart of your opponents’ cities while keeping your population safe from harm.
Perilous Warp
Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!
Age of Empires III: Definitive Edition
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
Soldat 2
Soldat 2 is a 2D deathmatch shooter with real guns, ragdoll violence and physics-based movement. Based on classic Soldat with team game modes, ranked multiplayer, bots and built-in customization and level editing. Made by MM - creator of the original.
Songs of Syx
Songs of Syx is a fantasy city-builder with vast battles simulating thousands of citizens and soldiers. Start off as a small village and build, scheme, and fight your way towards a mighty empire. The mechanics are deep and true to life, where tiny events can spiral into the collapse of kingdoms.
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.
Chef: A Restaurant Tycoon Game
Chef is a Restaurant Management game in which you create your own character, acquire supreme cooking skills, customize restaurants, design unique menus, and devise innovative recipes with a realistic editor.
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.