Spore

Spore cheat codes: 
Press [Ctrl]+[Shift]+[C] to open the console screen.
Type code into the console, then hit enter.
addDNA        - +150 DNA points
help          - List console commands
-full         - Extended help for commands help
Killallhints  - Removes all hints
moreMoney     - +1 million money in Civilization or Space
refillMotives - Replenish depleted health and other motives

View developers:
Press [Left] or [Right] at the Galaxy menu to spin the galaxy.
After a few seconds pictures of the game's developer will spin
out of the galaxy.

Faces of developers easter egg:
At the main menu screen, try to spin the galaxy.
If you do this correctly the faces of some of the
spore development team show up.