readme.txt : A simple text "paper" often included with installation instructions or credits. 🔍 Technical & Research Resources

: How to utilize AI-controlled Engineers, Medics, and Grunts.

: The Half Life Opposing Force Manual (Internet Archive) is the primary "paper" document included with physical CD copies. It details:

: The Valve Developer Community provides technical "papers" on map structures (e.g., of1a1 for the intro) and entity coding for modders. 🛠️ File Context: "Opposing-Force.rar"