Archimedean Dynasty cheats and cheat codes for PC

Finish mission:
Hold both (left and right) CTRL and press 0 to complete mission.
 
Invincibility in Archimedean Dynasty:
Hold both (left and right) CTRL and press 1 for invincibility.

Unlimited torpedoes in Archimedean Dynasty:
Hold both (left and right) CTRL and press 2 for infinite torpedo.

Unlimited cannon ammo in Archimedean Dynasty:
Hold both (left and right) CTRL and press 3 for infinite ammunition.
 

Saved game cheat:
Note: Always make a backup copy of the game file.
Locate the saved game files in the "bluebyte\ad\dat\save" directory. 
Open with a text editor, then scroll down until you see the following string:

[Global]
Name = Floodgate
Credit = 13237 <-this is your current credit 

Change the credit to "Credit=99999". This is enough money to buy anything 
you want from any Arms Dealer.

Further down in the saved game are the the codes for the ships, weapons,
etc.You can edit just about everything including the missions.
However, these parameters have multiple lines that must be 
changed to prevent crashing game.