Steam, the PC game download service, is having the biggest summer sale from now until July 22nd. Some games are discounted hourly, daily, and throughout the month up to 80% off.

If you’ve got a friend with a birthday coming up, you might want to check out the list.

Today’s Sale

Portal 2 $4.99
Total War Shogun 2 $7.49
Call of Duty: Modern Warfare 3 $29.99
Terraria $2.49
Might & Magic Heroes VI $24.99
Crusader Kinds II $9.99
RidgeRacer Unbounded $24.99
Legend of Grimrock $5.99

Be sure to check http://store.steampowered.com/ for the most up to date deals. Keep in ming that there is a huge number of people visiting which might give you the occasional: “The Steam Store is experiencing some heavy load right now. Please try again later.”