retail key

This will allow users to add their retail keys to a Steam account and play the game via the service.

I don't know about the EU retail keys; my girlfriend nor her family have ever mentioned it.

However, the addition of retail keys to Origin is restricted to games from 2009 onwards and older keys will not work even if the game is available on Origin.

Saints Row The Third uncensored retail keys as sold outside Germany cannot be activated in Germany as of the release day (Nov 18).

At launch, Cryptic allowed single accounts to apply multiple retail keys, adding multiple preorder benefits to their current account (without the free month of play that came with the title).