Gulf war - Operation Desert Hammer cheats and cheat codes for PC

Cheat codes:
While playing the game, go the chat mode (hit Enter) and tye any 
of these cheat codes:

Code - Result
Type "STORMY" as a code - Rain
Type "SHOW ME FPS" as a code - Show Frame rate?
Type "REGEN ME" as a code - Infinite Ammunition/Reset your Infinite energy
Type "POWER ME" as a code - Get Infinite Energy
Type "HUD" as a code - Full screen
Type "HARDER" as a code - More hits needed to kill an enemy
Type "GOODKEYS" as a code - Change keymapping
Type "FLURRY" as a code - Snow
Type "EASIER" as a code - Less hits needed to kill an enemy
Type "DRIZZLE" as a code - More rain
Type "DONE" as a code - Finish Level
Type "CLEARSKY" as a code - Deactivate snow/rain
Type "CALL STRIKE" as a code - Launch a strike attack on locked item
Type "BRIGHT" as a code - Modify brightness rate

Cheat codes with unknown effect:
WIMPY 
UNIT 
MOVE PEONS
IVIS 
ENEMY 
DANGEROUS 
CHUMP 
ADD 
ADD