Unverified. Create a shortcut to the game's executable. You can use the one in the Start Menu or create a new one anywhere and edit that. Open the properties and add a -TestMode switch to the end of the string in the target box (and outside the quotations). You can

Now when you boot the game with that shortcut, the Quick Battle option is replaced with Test Only. Click this to go to any level in the game. Whenever you're in the game, you can go to tactical display mode and use the following cheats.

Ctrl + Shift + R -- Repair trgetted vessel

Ctrl + Shift + K -- Damage targetted system

Ctrl + Shift + Q -- Add ten qantum torpedos

Ctrl + Shift + G -- God Mode for select vessel