In the context of Counter-Strike 1.6 (CS 1.6) , a DLL injector is a utility used to "inject" a Dynamic Link Library (DLL) file into the game's running process memory
: Often used for memory scanning, Cheat Engine also includes a built-in DLL injector. It is highly reliable for older engines like GoldSrc (CS 1.6) because it provides direct access to the process's memory space. Key Injection Techniques
Look for hl.exe (Half-Life/CS 1.6) in the process list.