1.
Master of Orion 3: Code Free Download
Open the save file with any hex editor.
2. Find the desired offset for your game (this will be the name of the empire)
written down in text form.
3. Add to this offset 27.
4. The next 4 bytes after this offset will be money.
example: enter 00 0f 42 40 to get 1.000.000