* Find your saved game file folder:
(SteamAppsCommonSPG2saves)
* Edit the game save file via Notepad or Notepad++
* Find the character information.
(you can do a search for first name or similar)
* You then can change starting money/credits.
* Change Reputation.
* Change Skill Points.
* Change Perks.
* Save the file and start the game.
* Done.
Note: You might want to save the original file with another name just
in case it goes haywire and you need to restore the old file again.