Underworld - Amazon - Steam

[ezwip]

I purchased an Eidos bundle through Amazon and 4 of the 5 games activated on Steam including Guardian of Light. I have a valid key for Underworld and can download the game but I'd like to add it to my Steam collection. I've become a Steam fanboy all of a sudden and the more games in my list the happier I am. I've not installed Underworld yet so my question is does anyone know a way to get a Steam key for this? The reason I ask is that Amazon seems to be giving about 20% of the people buying this bundle a Steam key and the rest a regular key for the game. For example my key is XXXXX - XXXXX - XXXXX - XXXXX but steam only accepts 3 or 5 groups characters while mine is 4. Any help would be greatly appreciated. It's not a big deal but it might help my obsessive compulsive desire to add this to my list and I'd be very grateful for that.

[smilingdinosaur]

While I'm not sure what to say about a trade, but you can add non-steam games to the list in your steam library! Perhaps this may help.