From Software's Dark Souls and BioWare's Mass Effect 3 are both on sale on Amazon at the moment with 50 percent off both titles.
The third game in BioWare's Mass Effect series, Mass Effect 3 (Xbox 360, PlayStation 3, Windows PC, Wii U) was originally $39.99 but is now $19.99. The punishingly difficult Dark Souls (PlayStation 3, Xbox 360) was also $39.99 and is now $19.73.
In other deals available today, PlayStation Network is discounting select games in the Final Fantasy back catalogue by up to 50 percent off.