Godot Engine - Feature-packed 2D and 3D open source game engine.
RPG Maker - Make your own PC game with RPG Maker. Our easy to use tools are simple enough for a child, and powerful enough for a developer. Try it free today!
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Unity - The multiplatform game creation tools for everyone.
RPG Paper Maker - Website
Urho3D - Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released...