Get Island:
Put 4 roads in a circle.
Space Shuttle:
Place 2 radars next to each other and wait a little while, then they
will turn into a Space shuttle.
Loch Ness:
Put flowers all around a lake to see the loch ness monster.
Giant Robot:
Place a radar next to a building with "IG" on it. The building will
then transform into a Giant Robot.
Holiday Pieces:
Set the system date to December 25 for Christmas pieces, October 31 for Halloween pieces, and July 4 for desert pieces.
Ghost Train:
Set your computer to October 31st.
Winter Time:
Press [Caps Lock] before playing the game.