Read more here.A promotion is apparently being held by Sony in Austria, where you get a redeemable voucher to download WipEout HD off the Austrian PSN store for free.
All that is required is to simply register an Austrian PSN account, the promotion is said to have started yesterday (March 16th) and will finish on April 18th.
The codes will be emailed to the registered address after this date, according to PS3NewsRoom.
You can find the original German article translated by Google below.
Wow is all I can say, and jump the offer like April 18th is the end of the world!