Madmind Studio announced that the uncensored version of Agony, Agony Unrated, has been released on Steam. Moreover, the team claimed that this uncensored version is completely free for any user who already has the basic version of Agony in his Steam library regardless of when he or she bought it.
Source: N4G PC Agony UNRATED has been released and is available for free to all owners of the basic/original game