Unity - The multiplatform game creation tools for everyone.
The Room - Welcome to The Room, a physical puzzler, wrapped in a mystery game, inside a beautifully tactile 3D world.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Pixel Dungeon - Pixel Dungeon is a traditional roguelike game with pixel-art graphics and simple interface.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Little Inferno - Little Inferno is an immersive, Action-Adventure, Puzzle-Platform, Surreal, Sandbox and Single-player video game created and published by Tomorrow Corporation.