Unity - The multiplatform game creation tools for everyone.
Wick Editor - The Internet's free and open-source creation toolkit.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Game Guru - Create, play and share fun games on your PC with absolutely no technical knowledge needed!
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.