Lighting is one of the most important and influential elements in level design.

Darkplaces uses a variation of Phong shading as a default lighting model.

This chapter contains references of various special effects hardcoded in light renderer.

List of most common warnings and errors you can get while compiling a map.

This explains how to create your own skybox using Terragen.

Let's say you downloaded a bunch of textures from the internet. Some of them are JPG, some are PNG or even TGA. That is uncomfortable and may cause trouble when importing inside the game. It's good practice to cast all textures to the same format.

List of all Quake DarkPlaces console variables (CVARs) and commands (CMDs) with description.

Shows you how you can make monster health modifiable in the map

How to fix most common probles with q3map2

Basic tutorial that covers how to use TrenchBroom for Half-Life (Counter-Strike 1.6) mapping, initial setup and some basic features.

A GUI to work with Quake 1 map compiling tools.

Pack of utils to extract WAD file from Half-life or Quake BSP. This includes TExtract suite, wintextract, textract, BSP2WAD.

Random singleplayer map generator for Half-Life by SuperJer

Working decompiler for GoldSrc games and Quake.

A tool for modifying and merging Half-life maps without decompiling.

Convert VMT to MAP file format. Requires Python.

This is a console program that imports *.osm text file, and exports VMF, MAP, OBJ.

This addon allows exporting Blender scenes to idTech .map file format.

QPakMan is a command-line (text only) program for managing the PAK and WAD files used by the games Quake, Quake II and Hexen II.

A nice, custom, GUI that allows extracting Garry's Mod addon files (.GMA).

GCFScape is a small tool that can open and extract from BSP, WAD, PAK, GCF, VPK, NCP, XZP files.

Very powerful tool that can download items from Steam workshop, unpack/pack VPK and GMA, view models, decompile and compile models.