Today's Steam Holiday Sale discounts Mass Effects, Dead Rising 2 and more

It's another day and you know what that means: more ludicrous Steam deals. Today's highlights include 50% off both Mass Effect and Mass Effect 2, along with reduced prices on Blur, Alpha Protocol, Dead Rising 2 and many more. Hit the jump for the full list.

Steam Holiday Sale: Daily Deals for Dec. 23

• Risen -- $14.99

• Mass Effect 2 Digital Deluxe Edition -- $19.99

• Mass Effect 2 -- $9.99

• Mass Effect -- $9.99

• DeathSpank -- $7.49

• Alpha Protocol -- $7.50

• Patrician IV -- $7.50

• Blood Bowl Legendary Edition -- $19.99

• Blur -- $14.99

• Silent Hunter: Battle of the Atlantic -- $10.19

• Silent Hunter: Wolves of the Pacific -- $6.79

• Silent Hunter: Wolves of the Pacific U-Boat Missions pack -- $3.39

• Silent Hunter III -- $3.39

• Dead Rising 2 -- $19.99 ($15.99 if you own Resident Evil 5 through Steam)

• Operation Flashpoint: Dragon Rising -- $3

• Darksiders -- $10

• Wings of Prey -- $6