Weather intensity modifications: 

ALT+CTR+R	Rain toggle
ALT+CTL+W	Wind toggle
ALT+CTL+S	Snow toggle

Toggling will affect the intensity of the weather. 

Box Cheats:
     Press  ALT+CTRL+B  to  turn  Boxes  On,  which  will  show  you 3
different color boxes.

RED	- non-moving, dead fields
YELLOW	- possible animal location point
GREEN	- animal

Restore Health:
     Press ALT+CTRL+H to restore health.

Display Frame Rate:
     Press ALT+CTRL+F to show the framerate.

Auto Camera:
     Press ALT+CTRL+C for the auto camera.

More Money:
     In the catalog, press ALT+CTRL+M for extra money.

Targeting in sights:
     While  you  are  in  the  Target  Range and ready to shoot at the
target, press ALT+CTL+T and the "Weapon Sighting. Information" will be
on.  Fire  the  weapon. You should see the targeting coorinates (X-Y).
Use  the  arrow  keys  to  bring  the weapons targeting coordinates to
zero-zero (X=0, Y=0). Now the weapon is perfectly sighted.