Freaks of the night, rejoice! Steam has unleashed monster savings on ghoulish (and not so creepy) titles. From now until about the time all the pumpkins are smashed*, over 80 titles (including The Walking Dead, Bioshock, Left 4 Dead, and many more) are available at prices so low, it’s scary.

For more info, click here!

*Discount offers end November 1st at 10am Pacific time

We need your help saving the world! Play Left 4 Dead 2 for FREE starting now through Monday at 10AM Pacific Time.

You can also pickup Left 4 Dead 2 at 75% off the regular price!

If you already have Steam installed, click here to install or play Left 4 Dead 2. If you don't have Steam, you can download it here.

Today's Deal: Save 66% off Half-Life 2!

Look for the deals each day on the front page of Steam. Or follow us on twitter or Facebook for instant notifications wherever you are!

Today's Deal: Save 66% off the Day of Defeat: Source!

Look for the deals each day on the front page of Steam. Or follow us on twitter or Facebook for instant notifications wherever you are!

Save 66% on the *Counter-Strike franchise and Counter-Strike: Complete Pack during this week's Midweek Madness!
*Counter-Strike: Complete Pack contains Counter-Strike: Global Offensive Pre-Purchase!

Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.

During this week's Midweek Madness, save 75% off the Left 4 Dead 2!

Also, make sure to check out the "Cold Stream" update today! This 5 campaign DLC includes Crash Course, Death Toll, Dead Air, Blood Harvest and the community created Cold Stream. The update also makes all mutations available to play any time.

The Square Enix Publisher Weekend continues today with 50% off the entire Square Enix Catalog! Additionally, each day will bring a new Daily Deal with even deeper discounts!

Today only, take 75% off the entire Tomb Raider series, including Lara Croft and the Guardian of Light! You can also pick up the Square Enix Hit Collection to add all of your favorite titles to your Steam library for one low price!

But wait, there's more! The TF2 team was feeling left out of all the great deals and have gone ahead and discounted the Deus Ex-themed Manno-Technology Bundle for this weekend only. Jump in to Team Fortress 2 to check it out!

Be sure to check back each day, now through Sunday, for more great deals!

Portal 2 is this week's Midweek Madness! Celebrate the winner of three British Academy video game awards, including Best Game, by taking 50% off now through Thursday at 4pm Pacific Time!

Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and includes an extensive single player campaign as well as the unique two-person co-op experience with it's own dedicated storyline.

Alliance of Valiant Arms, the popular Free-to-Play game on Steam, is having a special Weekend Deal to commemorate their latest update which includes Steam achievements!

Now through Monday at 10AM Pacific Time, all in-game purchases will net you double the G Coins in A.V.A.! Additionally, a new A.V.A. themed item, the "Black Rose", has been added into Team Fortress 2. Complete the AVA achievement, "1st One Down", to unlock the TF2 item and you'll also receive the TF2-inspired "Holy Mackerel" for your A.V.A. character!

Click Here to download and start playing. Must have Steam installed.

The Steam Holiday Sale continues today with huge savings throughout the store!

Today's Daily Deals Include:

• The Elder Scrolls V: Skyrim
  
• Borderlands Franchise
  
• Tom Clancy Franchise
  
• Plants vs. Zombies
  
• Blood Bowl Legendary Edition
  
• Risen
  
• Renegade Ops
  
• Company of Heroes Franchise
  
• Hard Reset
  
• Jamestown
  
• Prototype
  
• Wings of Prey
  

Don't forget to check back each day, now through Sunday, January 1, 2012 for more great deals!