The last deal was
Fotonica, but I guess everyone was as uninterested as me in it, since it didn't get any mention here.
The new deal looks pretty interesting though, even if I'm not sure it's really my kind of game:
It's got a Metascore of 79, and is redeemable on both Desura and Steam. As far as I can tell it's not currently on Steam, not even on Greenlight, so I'm not sure what that means.
I wish more of these titles were available for Linux as I think that would be a really good selling point for many of them, since there are currently a lot fewer games sharing the spotlight.