While playing a game, press [F2], enter one of the following codes, then press 
[F2] again to activate the corresponding cheat function:

Result - Cheat Code
Animals not afraid of hunter - dh5nofear 
Travel to nearest animal - dh5findnext 
Finds deer - dh5fnd 
Player in a truck - dh5truck 
Rain - dh5water 
Lightning - dh5zeus 
Blowing leaves - dh5leaves