Note: This procedure involves editing a game file; create a backup copy of the file
before proceeding. Locate the "game.pak" in game folder and use WinRar or a similar
program to open it. Extract the "lod.reg" file in the "Registry" folder to the Desktop.
Use a text editor to edit the "lod.reg" file as follows :
Save the file and add it back to the "game.pak" file by using WinRar.
When you start the game, select the easy difficulty setting and your
units will be invincible.