Well it is possible to get Custom Resolutions
Read-on
- Custom Resolutions -
First go to your AvP2 Main Directory located in your C: Drive the path should be C:\Program Files\Fox\Aliens vs. Predator 2 find a file called autoexec.cfg open it with notepad or word etc....
Then find these
SCREENWIDTH 1280
GameScreenHeight 1024
SCREENHEIGHT 1024
GameScreenWidth 1280
^-----------That's my setting, so yours will be
SCREENWIDTH 1280
GameScreenHeight 800
SCREENHEIGHT 800
GameScreenWidth 1280
Save, and start game.