Microsoft's weekly app discounting initiative, Red Stripe Deals, is now in its fifth week. This weeks offerings include Xbox Live title Sallys Salon LE (beauty salon based resource and time management game), Spectral Souls (Japanese style tactical RPG game with 100s of hours of game play), and Encylopedia Britannica (a digital version of the world's most famous source of knowledge).

Sallys Salon LE is reduced from their usual price of £1.99 to £0.79, Spectral Souls is down from £9.99 to £4.99, and Encyclopedia Britannica is reduced from £3.99 to £1.99 (for one year's access). That means, for the next seven days, there is a potential total saving of £8.20 on offer, should you choose to take advantage on all the Red Stripe Deals.

Sallys Salon LE description: 

Enjoy the ultimate makeover of Sally's Salon in the brand new Luxury Edition of the hit time management game for high-end devices. Sally's Salon has just received its very own makeover and is ready to dazzle you with classic fun and fresh surprises.

Enjoy fantastic features new to mobile, including 5 additional locations with exciting challenges, more customer types, extra trophies, upgraded graphics, enhanced visual effects and more! Join Sally in this fabulous fight to beautify little old ladies, punk rockers and impatient celebrities with the hairstyles they want.

From humble shopping mall beginnings to superstar status in Hollywood, you'll help her wash, dye, cut, style and much more! Use your earnings to hire helpful employees, purchase salon upgrades and to keep clients happy with soothing accessories. Can you be a cut above in this fashionably fun mobile game?

Encylopedia Britannica description:

For more than two centuries, Encyclopaedia Britannica has partnered with former U.S. and international presidents, Nobel Laureates, scientists and many other historical figures to provide our users with the information they seek. Now this world-class information is available on a fast, mobile platform.

With the 2013 Encyclopaedia Britannica App for Windows Phone all of this trusted information now fits in the palm of your hand. The Encyclopaedia Britannica App gives mobile users the ability to find information and explore subjects without compromise. Users can feel confident that their answers are accurate and vetted by professional editors and expert contributors. 

Spectral Souls description:

Tragedy strikes the small woodland village of Petun, the town is attacked and burned to the ground by vicious Neverland troops. But Petun is only the first of many massacres; the Demon Army tears through every human village it can find, slaughtering the people as it goes. Humiliated and infuriated by these abuses, the humans begin to resist and fight back.

It starts as a rash of disorganized, sporadic riots. But it soon grows into something more, something meaningful. These uprisings become a beacon of hope to all humans, spurring them on to unite and form a new empire. They choose a name to reflect their most noble traditions, to reflect a time when they ruled over the demon horde. They call it the Reformed Simba Empire. 

Here's how the Windows Phone blog describes the weekly deals:

Each week the Store’s Red Strip Deals Collection will feature three popular apps and games—typically one Xbox game, one indie game, and one top-rated app—for at least 50% off the original price. (In case you’re wondering, the collection name derives from the red stripe you’ll see around each discounted app’s icon in the phone Store).

The Red Stripe Deals can be accessed via the direct links provided above, or via the Windows Phone Store collections feature, either via the desktop website, or via the Store app on any Windows Phone device.