Reverse engineering - UberWaffe/OpenRA GitHub Wiki

Thanks to the community there is now an exhaustive documentation on the game files available:

• Audio specifications
• Command & Conquer File Formats
• VQA File Format
• VQP File Format
• Palette format
• Fonts
• Mix Files
• Mix Format
• Map format
• Template format
• CnC & RA Video list
• [Dune 2 SHP specification](Dune 2 SHP specification)
• InstallShield v3

Red Alert

• The Red Alert File Format Guide
• The Red Alert Single Player Mission Creation Guide
• The Red Alert Internet Map Edit Guide

Tiberian Dawn

• C&C Gold extracted INI rules
• self-made RULES.INI
• Command & Conquer Maps
• [single-player maps](C&C Singleplayer Maps)
• missions

Dune 2000

The D2k+ Wiki has an extensive and growing list of file format specifications.

Tiberian Sun

• TMP TS Format

Red Alert 2

• Red Alert 2 File Format Guide

Yuris Revenge

• YR++ headers