Change Attitude:
To alter your council's attitude and time period, enable Cheat Mode, then press Ctrl-Shift-T.

Edit Unit:
Hold Ctrl + Shift + U. You can now change all atributes except type of unit.

Hint: Huge war:
Start the map editor and create a small island. Put in as many civilizations as possible. A huge war will begin.

Invincibility:
Type "god" during gameplay to become invincible.

Update throne room:
While in cheat mode, press Q.

Use Enemy City:
Infiltrate your enemy's cities. Press "V" and move diagonally into an enemy city and press ENTER. You can now change the city's productivity and disband unit.