(Disclosure: This site contains product affiliate links. We may receive a commission if you make a purchase after clicking on one of these links. Read our affiliate disclosure for more info.)
The Steam Daily for 1/28/13 is The Binding of Isaac at 75% off.
The Binding of Isaac = $1.24 / £0.99 / €1.24
The Binding of Isaac with Soundtrack = $1.49 / £1.24 / €1.49
The Binding of Isaac – Wrath of the Lamb = $0.75 / £0.50 / €0.75
The Binding of Isaac Soundtrack = $0.25 / £0.25 / €0.25
