Scorched Earth cheats and cheat codes for PC

Note: Always make a backup before editing a game files.
Locate the scorch.cfg file the edit with a text editor.

You should see a configuration file with lots of variables. Scroll down 
a bit until you reach a line that reads:

Initial_Cash=xxxxx (xx could be any number).

Delete this number and enter 100000000 (one hundred million) in its place.
Now save this file and run the game. You will now have your $100 million.

NOTE: 
You can change any of the variables in the config file.