Unity - The multiplatform game creation tools for everyone.
Lexica - An open source word-search game.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Ticket to Ride - Ticket to Ride is a Turn-based Strategy, Puzzle, Board, Co-op, Single, and Multiplayer video game created and published by Days of Wonder and Asmodee Digital.
Corona SDK - Cross-platform mobile app development.
Quackle - Open-source word game similar to Scrabble. Features a board editor, analysis tools, and artificial intelligence that rivals the best players in the world!