The following maps can be unlocked by performing the actions below.

* Beautiful Beach - Get 200 Watts

* Beyond the Sea - Get a foreign pokemon via GTS

* Big Forest - Get 40,000 Watts and get the National Dex

* Blue Lake - Get 2,000 Watts

* Dim Cave - Get 1,000 Watts

* Hoenn Field - Get 5,000 Watts and get the National Dex

* Icy Mountain Rd. - Get 30,000 Watts and get the National Dex

* Night Sky's Edge - Trade a fateful-encounter Jirachi onto your HG or SS

* Noisy Forest - Default Map

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

* Refreshing Field - Available from the start

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

* Rugged Road - Get 50 Watts

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

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

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

* Suburban Area - Get 500 Watts

* Town Outskirts - Get 3,000 Watts

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

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

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

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