There are NO working codes for the full version of AVP; this info comes directly from the developers. However, click on the following link to download the official Fox Interactive patch, which enables cheats.
Aliens Vs. Predator
Download the AVP patch build 98 from our Patches Section!
Double click the downloaded file to install the patch.
Click HERE for instructions on how to cheat using -debug commands.
Thanks to Revolution readers Duke Baldwin, Shel, and Kirk Watts!