As soon as you walk out, your friend will tell you about the GB Sounds. Go into the elevator and go to the 3rd floor. Go to Celadon City and go into the Celadon Condominiums (the building next to the Pokemon center).

Yellow Forest - Wifi Event from April 1st to May 5th, 2010.

Winner's Path - Wifi Event from May 6th to June 25th, 2010.

White Lake - Get 50,000 Watts and own the National Dex.

Warm Beach - Get 7,500 Watts and own the National Dex.

Volcano Path - Get 10,000 Watts and own the National Dex.

Tree House - Get 15,000 Watts and own the National Dex.

Stormy Beach - Get 65,000 Watts and own the National Dex.

Sinnoh Field - Get 25,000 Watts and own the National Dex.

Sightseeing - Obtain at Wifi Event from November 14 (2009) to to January 11 (2010) /.

Scary Cave - Get 20,000 Watts and own the National Dex.

Resort - Get 80,000 Watts and own the National Dex.

Refreshing Field - Available from the start.

Rally - Obtain at Wifi Event from January 29 to Febru/ (Japan).

Quiet Cave - Get 100,000 Watts and own the National Dex.

Night Sky's Edge - Trade a fateful-encounter Jirachi onto your HG or SS.Get 30,000 Watts and get the National Dex Hoenn Field - Get 5,000 Watts and get the National Dex.Big Forest - Get 40,000 Watts and get the National Dex.Beyond the Sea - Get a foreign pokemon via GTS.The following maps can be unlocked by performing the actions below.

Heart gold soul silver rom