Imperium Galactica

PC
During the game, hold down Shift and type karoly.
Now you can try the following cheats:

c - All colonies and inventions.
c - Second time gives you cheats on planets.
v - 100000 extra credits.
5 - Rank 1.
6 - Rank 2.
7 - Rank 3.
8 - Rank 4.
9 - Rank 5.
(Information from Cheat Machine)