During gameplay, press Ctrl + Shift + Alt + W and type 2061, then Enter.
Then, press A and Enter again to enable cheat mode. Now, enter any of
the following "Codes":
Code Effect
Shift + M Money
Shift + Z Bricks
Shift + K Cannon
Shift + H Wood
Shift + T Tools
gold Gold
fastgame All Building
columbus $10,000 (give yourself a yellow flag)
Source: www.gamesdomain.com