W3D GameStudio or 3DGS is a pan 3D computer game development system which allows the users to create 3D games and other virtual reality applications, and publish them royalty-free. It includes a model/terrain editor, a level editor, a script editor/debugger and comes with a big collection of textures, models and artwork, as well as a game template system that allows the creation of basic shooter games or RPGs without programming. For complex games or other applications, either the integrated programming language named Lite-C or an external development language such as Visual C++ or Borland Delphi can be used.
WAmazon Lumberyard is a now superseded freeware cross-platform game engine developed by Amazon and based on CryEngine, which was licensed from Crytek in 2015. In July 2021, Amazon and the Linux Foundation announced that parts of the engine would be used to create a new open source game engine called Open 3D Engine, which would replace it. A new Open 3D Foundation, run by the Linux Foundation will manage the new engine, which will be licensed under the open source Apache 2.0 license. The new engine is reportedly partially based on Lumberyard but with many parts rewritten, and is considered a new engine.
WDX Studio is a complete integrated development tool for the creation of 3D video games, simulations or real-time interactive applications for either standalone, web based, Microsoft Office or Visual Studio use.
WFlare3D is a framework for developing interactive three-dimensional (3D) graphics within Adobe Flash Player and Adobe AIR, written in ActionScript 3. Flare3D includes a 3D object editor and a 3D graphics engine for rendering 3D graphics. Flare3D runs on current web browsers utilizing the Adobe Flash Player, and uses Stage3D for GPU-accelerated rendering. Flare3D has not been under active development since late 2014.
WMikuMikuDance is a freeware animation program that lets users animate and create 3D animated movies, originally produced for the Vocaloid character Hatsune Miku. The MikuMikuDance program itself was programmed by Yu Higuchi (HiguchiM) and has gone through significant upgrades since its creation. Its production was made as part of the VOCALOID Promotion Video Project (VPVP).
WMugen is a freeware 2D fighting game engine designed by Elecbyte. Content is created by the community, and thousands of fighters, both original and from popular fiction, have been created. It is written in C and originally used the Allegro library. The latest versions of the engine use the SDL library.
WWorld Builder is a game creation system for point-and-click adventure games. It was released in 1986 by Silicon Beach Software and had already been used for creating Enchanted Scepters in 1984. In 1994, World Builder along with Course Builder, SuperCard, and HyperDA was cited as the reason Appleton was "something of a legend". On August 7, 1995, developer William C. Appleton released World Builder as freeware.