The Best Moddable Games - Page 5

Europa Universalis IV gives you control of a nation through four dramatic centuries. 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.

Sweet Transit is a unique city builder where the railway is king. Build and automate the dream supply chain for your citizens, giving them all they need to expand quaint villages into bustling cities. Progress from steam power to diesel and beyond in this advanced train-driven experience.

Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.

Developed by the creator of the original Kerbal Space Program and a tiny three-person team, KitHack Model Club is a physics-based model building sandbox that provides limitless freedom for you and friends to design, build, battle, fly (and crash!) your very own RC vehicles.

Developed by the creator of the original Kerbal Space Program and a tiny three-person team, KitHack Model Club is a physics-based model building sandbox that provides limitless freedom for you and friends to design, build, battle, fly (and crash!) your very own RC vehicles.

This is a delightful cartoon astronaut game!

Final Factory blends factory building, spaceship design, and a rich universe to explore. Build a mega factory and command a massive fleet against the hostile local aliens. Discover new technologies and unlock the secrets of an ancient civilization as you explore an infinite cosmos.

Cartridge the Tiger is a Super Nintendo inspired platformer with an in-game level editor, easy-to-use mod support using C#, and Steam Workshop integration. Help Cartridge rescue someone unexpected. A journey awaits, can you make it?

The mischievous little flying dragon accidentally entered the maze.

Gamebox is a free and open source sandbox game centered on user generated content. You decide what you want to play, be it in 3D or 2D, single-player or multiplayer, or create and upload your own games.