Section 1: MAP Information
1.1: Coordinate System
1.2: Brushes
1.3: General MAP Info
1.4: Keeping the MAP clean
Section 2: Entity Information
2.1: Entity Overview
2.2: "spawnflags" tag
2.3: General entity syntax
2.4: Setting Spawnflags
2.5: Optional Parameters for Entities
2.6: All Known Entities
Section 3: Basic Entity classnames
3.1: Info_ Entities
3.2: Misc_ Entities
3.3: Trap_ Entities
3.4: Lights
3.5: Ambient Sounds
3.6: Intermission Cameras
Section 4: Structure Entities
4.1: Moving Platforms
4.2: Moving Brushes
4.3: Miscellaneous Structures
Section 5: Items & Monsters
5.1: Items
5.2: Monsters
5.3: Triggers
5.4: Teleporting Monsters
5.5: Assorted Triggers
Section 6: Miscellaneous
6.1: Important Units
6.2: Key Types
6.3: Monster Information