Note: Some of these can only be used once per game. Press ~ during
gameplay to access the console, then enter the following:
 
10 percent cheaper units in campaign mode gamestop
10 percent cheaper units in campaign mode bestbuy
40 percent larger elephants in campaign mode oliphaunt
Falling walls in siege in battle map mode jericho
Get $20,000 add_money 20000
Increase population in given city by given amount add_population

Indicated side automatically wins auto_win 
Create unit with given stats create_unit 
Toggle fog of war toggle_fow
Given character gets given trait at indicated level give_trait 

Instantly complete all construction in que process_cq  settlement
Instantly complete all military units in recruitment que process_rc 
settlement
Lists all traits list_traits
Move given character to indicated coordinates move_character 
charactername, X, Y (Where charactername is name and X & Y are
coordinates)
Get points for given character's trait give_trait_points 
Force opponent to accept diplomatic proposal force_diplomacy 

Invincible general invulnerable_general  charactername
Change date date  year
Kill given character kill_character  charactername
Change season season  summer/winter
Capture given city capture_settlement 
Toggle Fog of War toggle_fow
Forces opponent to accept diplomatic proposal force_diplomacy
accept/decline/off