Next week Microsoft will launch their annual holiday sales event. They'll be offering full games as well as DLC and Avatar items at a discounted rate.

Xbox.com has been updated with the lists of games receiving discounts. The size of the discounts haven't been announced yet. Generally, though, Microsoft slashes 25-50% off games during these events so expect something similar this year.

From December 18th until December 31st, the following Xbox Live Arcade games (via NeoGAF) will receive a discount:

• Frogger: Hyper Arcade Edition
• Joe Danger 2: The Movie
• Zuma’s Revenge!
• The Simpsons Arcade Game
• Wreckateer
• Plants vs. Zombies
• Peggle
• PeggleNights Content Pack
• Fire Pro Wrestling
• SONIC 4 Episode II
• Sonic The Hedgehog 2
• RAW
• A World of Keflings
• A World of Keflings – Sugar, Spice and Not So Nice
• A World of Keflings – It Came From Outer Space
• Kinect Party
• Jet Set Radio

Microsoft is also planning two-week discounts on select Xbox Live Avatar equipment and Games on Demand. However, they've yet to reveal the specific items in those sales.

Each day of the holiday event will bring new deals on both Games on Demand and DLC. Here's the list of sales revealed so far:

December 18th

• Call of Duty: Modern Warfare 3
• Collection 1 DLC
• Collection 2 DLC
• Collection 3 DLC
• Collection 4 DLC

December 19th

• Lego Batman
• Lego Star Wars: The Complete Saga
• Lego Star Wars III
• Lego Indiana Jones
• Lego Pirates of the Caribbean
• Lego Indiana Jones 2
• Lego Harry Potter

December 20th

• Fez
• HELL YEAH! Wrath of the Dead Rabbit
• Sonic Adventure 2
• Rayman Origins
• Rayman 3 HD
• Mark of the Ninja
• Trine 2

December 21st

• L.A. Noire
• Red Dead Redemption
• Max Payne 3
• Midnight Club: LA

December 22nd

• To be announced

December 23rd

• Dust: An Elysian Tail
• Deadlight
• Hybrid

December 24th

• Trials HD
• Trials HD – Big Thrills
• Trials HD – Big Pack
• Trials Evolution
• Trials Evolution: Origin of Pain

December 25th

• Hydro Thunder
• Rock of Ages
• Mini Ninjas Adventures
• Leedmees
• Fruit Ninja Kinect
• Fruit Ninja Kinect – 8-bit Cartridge
• Fruit Ninja Kinect – Art Box
• Fruit Ninja Kinect – Space Capsule
• Fruit Ninja Kinect – Storm Season

December 26th

• To be announced

December 27th

• Borderlands
• Borderlands 2
• Borderlands 2 Season Pass

December 28th

• The Walking Dead Episode 1
• The Walking Dead Episode 2
• The Walking Dead Episode 3
• The Walking Dead Episode 4
• The Walking Dead Episode 5

December 29th

• Banjo Kazooie: Nuts & Bolts
• Cars 2: The Video Game
• Crash Of The Titans
• Toy Story 3
• Crazy Taxi
• The Splatters

December 30th

• Virtua Fighter 5 Final Showdown
• Street Fighter III: Online Edition
• Dungeon Fighter LIVE: Fall Of Hendon Myre

December 31st

• The Elder Scrolls V: Skyrim
• The Elder Scrolls V: Skyrim: Dawnguard
• The Elder Scrolls V: Skyrim: Hearthfire
• The Elder Scrolls IV: Oblivion
• The Elder Scrolls IV: Oblivion: Shivering Isles
• The Elder Scrolls IV: Oblivion: Knights of the Nine

It seems like there's plenty of things worth a purchase here, in terms of DLC and games. If you haven't played Spike VGA Game of the Year The Walking Dead yet, this is a good chance to do so.