The Steam Monster Summer Sale is here! For nine more days, take advantage of huge savings throughout our store on thousands of games. Check back every 12 hours to see new Daily Deals. You can even help unlock additional discounts by playing our Monster Summer Game.

More than four hundred products will be featured as Daily Deals throughout the sale, with new deals popping up every 12 hours.

Today's Deals include:
Civilization Franchise up to 75% off
Call of Duty Franchise up to 50% off
Endless Legend 50% off
Reign of Kings 40% off
H1Z1 50% off
Grim Fandango Remastered 50% off
Game Dev Tycoon 50% off
Fable Anniversary 75% off
Insurgency 75% off
Alien Franchise up to 75% off
The Banner Saga 75% off
Transistor 75% off
The Vanishing of Ethan Carter 66% off
Far Cry Franchise up to 75% off
Left 4 Dead 2 80% off


Along with the sale is the Monster Summer Game. Join a game and fight the enemy monsters as you help your team level up, unlock new abilities, and achieve community milestones. Plus, get Summer Sale Trading Cards just for playing.

With your help, players of the Monster Game can work together to unlock special discounts on select games. Each milestone reached unlocks a new discount on a mystery game, available to everyone on Steam at 10am Pacific time the following day. New milestones each day through June 18.

The Steam Monster Summer Sale will run from now until 10 AM Pacific, June 22nd. Complete information can be found here.
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