Wall Worm is a toolkit and community focused on creating and bringing models, materials, and levels into Source Engine games. Its tools connect 3ds Max workflows with Source development, supporting tasks such as model exporting, material and texture work, and level design. Wall Worm Level Design tools let users create VMFs from 3ds Max scenes, while Wall Worm Sky Writer is designed to render and compile 2D sky textures.

The site also provides official downloads and documentation, alongside a guide to using 3ds Max and Wall Worm in a Source Engine pipeline. Its forums cover product news, questions, bug reports, feature requests, and commercial scripts, as well as other utilities for Source development. Members can share models, works in progress, finished levels, and information about games or mods that use Wall Worm tools.

The community discusses multiple Source-related areas, including Counter-Strike and mapping. Wall Worm reports the release of version 7 with Source 2 support, and its forums continue to host product updates and user discussions