Exploration -
Press [Shift] + D to explore the province under the pointer. Press [Shift] + U 
to make the province under the pointer unexplored.

Cheat Codes -
While playing a game, press [F12], then enter one of the following codes at the 
console window to activate the corresponding cheat function:

Result - Cheat Code
Toggle God mode - difrules [on or off] 
Toggle control of all military units - richelieu [on or off] 
Toggle all natives - cortez [on or off] 
Toggle revolts - alba [on or off] 
Toggle A.I. war declaration - tilly [on or off] 
Toggle fog of war - pappenheim 
Add 50,000 ducats to treasury - montezuma 
Add 10 colonists - pocahontas 
Add 10 merchants - dagama 
Add 10 diplomats - vatican 
Add 10.000 population to capital province - swift 
All provinces explored - columbus 
Land technology level increased - gustavus 
Naval technology level increased - drake 
Infrastructure level increased cromwell 
Trade level increased - polo 
Stability set to +3 - oranje 
Treaty of Tordesillas mode - tordesillas 
Reformation mode; allow nations to convert to Protestantism - luther 
John Calvin mode; allow nations to convert to Reformed Christianity - calvin 
Council Of Trent mode; cancel John Calvin mode - trent 
Troop limits - peterthegreat 
More cannon fodder troops - russianhordes 
Japan closed - shogun 
Create indicated event - event [event number] 
Unknown - load 
Unknown - save 
Unknown - info 
Unknown - dump 
Unknown - addplayer 
Unknown - removeplayer 
Unknown - messgroup 
Unknown - messall 
Unknown - creategroup 
Unknown - closegroup 
Unknown - language 

Event numbers -
Use one of the following values with the "event [event number]" code:

Result - Event number
Creates revolt in random province - 1 
Creates revolt in random colony - 2 
Religious revolt - 3 
Religion - 7 
Heretics - 8 
Death - 9 
Excellent - 10 
Insanity - 11 
Scandal - 12 
Gift - 13 
Gold lost - 14 
Obscurantism - 15 
Except year - 16 
Colonist - 17 
Demand - 18 
Bank - 20 
Stock exchange - 21 
Company of trade - 22 
Port closure - 23 
Diplomacy - 24 
Pressure - 25 
Col Dyn - 26 
Inventions - 27 
Merchants - 28 
Stolen sea charts - 29 
Plague - 30 
Naval disaster - 31 
Desertion - 32 
Land tech - 33 
Naval tech - 34 
Enthu army - 35 
Enthu navy - 36 
Annex - 37 
Agriculture - 38 
Fire - 39 
Good Gov - 40 
Poor Gov - 41 
Unhappy Clergy - 42 
Unhappy Artists - 43 
Unhappy Peasants - 44 
Unhappy Merchant - 45 
Mineral - 46 
Crisis - 47 
Corruption - 48 
Deflation - 49 
Dip insult - 50 
Favored trade nation - 51 
Industrial development - 52 
New center of trade - 53 
Trade restrictions - 54 
Fortification - 55 
Explorer - 56 
Conquistador - 57