Pokemon HeartGold Version

 

Unlockables

• National Dex

  Unlockable	How to Unlock
  National Dex	Beat the Elite Four once and go to the S.S Aqua ship in Olivine City to get the National dex.

   

• Unlockable Pokewalker Maps

  There are over 20 Pokewalker maps currently available to anyone and everyone who owns them. The trick is obtaining Watts and getting the National Dex. Note that some of the following are event-only, so the Yellow Forest (for example), is unattainable right now.
  

  Unlockable	How to Unlock
  Beautiful Beach	Obtain 200 Watts
  Beyond the Sea	Obtain a foreign pokemon via use of the GTS
  Big Forest	Obtain 40,000 Watts and own the National Dex
  Blue Lake	Obtain 2,000 Watts
  Dim Cave	Obtain 1,000 Watts
  Hoenn Field	Obtain 5,000 Watts and own the National Dex
  Icy Mountain Rd.	Obtain 30,000 Watts and own the National Dex
  Night Sky's Edge	Trade a fateful-encounter Jirachi onto your HG or SS
  Noisy Forest	Available from the start
  Quiet Cave	Obtain 100,000 Watts and own the National Dex
  Rally	Wifi Event from January 29th to February 28th, 2010 (Japan)
  Refreshing Field	Available from the start
  Resort	Obtain 80,000 Watts and own the National Dex
  Rugged Road	Obtain 50 Watts
  Scary Cave	Obtain 20,000 Watts and own the National Dex
  Sightseeing	Wifi Event from November 14th (2009) to to January 11th (2010) in Japan and from April 17th to May 31st, 2010 in Korea
  Sinnoh Field	Obtain 25,000 Watts and own the National Dex
  Stormy Beach	Obtain 65,000 Watts and own the National Dex
  Suburban Area	Obtain 500 Watts
  Town Outskirts	Obtain 3,000 Watts
  Tree House	Obtain 15,000 Watts and own the National Dex
  Volcano Path	Obtain 10,000 Watts and own the National Dex
  Warm Beach	Obtain 7,500 Watts and own the National Dex
  White Lake	Obtain 50,000 Watts and own the National Dex
  Winner's Path	Wifi Event from May 6th to June 25th, 2010
  Yellow Forest	Wifi Event from April 1st to May 5th, 2010