Buy Salvation Prophecy on Desura.
Both the windows and linux version are available on Desura.
Buy Salvation Prophecy on GamersGate.
Buy Salvation Prophecy on Amazon.
Buy Salvation Prophecy on Little Indie.
Salvation Prophecy is not available on Steam yet, but please vote for it by clicking here.
A Russian version of the game is available at several russian distributors:
Русская версия игры доступна в нескольких дистрибьюторов России: