Unity - The multiplatform game creation tools for everyone.
Lexica - An open source word-search game.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Crosswords Arena - Word game, multiplayer and computer players
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Word Domination - Word Domination is a fast paced and addictive real-time word game.