The following cheat will give you access to all of the areas of the game:

1.) Create a new text file with a simple text editor. (Example: Notepad)
2.) Copy and paste into the following lines:

REGEDIT4

[HKEY_LOCAL_MACHINE\Software\Matrix Games\Alexander the Great]
"h"="5"

3.) Save a text file with "abbycheat.reg" filename.

4.) Import/Merge "abbycheat.reg" into your Windows Registry (Just click on it)

5.) Run a game, and play any Single Player battle, by clicking the Battle Button.The Campaign button starts a new campaign at battle #1.You have unlocked all 8 Battles of the Single Player Game.Note: Normally, you must play through the entire 6 Battle Campaign to unlock all 8 battles.