Last week, Xbox frontman Major Nelson alluded to a big special price sale that would be happening over on the Xbox LIVE Marketplace soon, giving us all an opportunity to save precious MS Points on tons of content for new and old games from Rockstar and 2K Games.

The full list of add-on content, full games and Xbox Avatar accessories that will be receiving price reductions on Xbox LIVE Marketplace from today until January 31st follows below:

Add-on Content:

• Borderlands - Zombie Island of Dr Ned: Sale: 400 MS Points (Regular Price: 800)
• Borderlands - New Revolution: Sale: 400 MS Points (Regular Price: 800)
• Borderlands - Secret Armory: Sale: 400 MS Points (Regular Price: 800)
• Borderlands - Underdome: Sale: 400 MS Points (Regular Price: 800)
• Bioshock 2 - Minerva’s Den: Sale: 400 MS Points (Regular Price: 800)
• Bioshock 2 - Sinclair Solutions: Sale: 200 MS Points (Regular Price: 400)
• Bioshock 2 - Rapture Metro: Sale: 400 MS Points (Regular Price: 800)
• Bioshock 2 - Protector Trials: Sale: 200 MS Points (Regular Price: 400)
• Mafia 2 - Jimmy’s Vendetta: Sale: 400 MS Points (Regular Price: 800)
• Mafia 2 - Joe’s Adventure: Sale: 400 MS Points (Regular Price: 800)
• GTA IV - The Lost and Damned: Sale: 400 MS Points (Regular Price: 800)
• GTA IV - The Ballad of Gay Tony: Sale: 800 MS Points (Regular Price: 1600)
• RDR Undead Nightmare Collection: Sale: 1000 MS Points (Regular Price: 1600)
• RDR Undead Nightmare Pack: Sale: 400 MS Points (Regular Price: 800)
• RDR Legends & Killers: Sale: 400 MS Points (Regular Price: 800)
• RDR Liars & Cheats: Sale: 400 MS Points (Regular Price: 800)
• MC LA South Central Ultimate Content Pack: Sale: 500 MS Points (Regular Price: 1000)

Full Games:

• Axel & Pixel: Sale: 400 MS Points (Regular Price: 800)
• Sid Meier’s Pirates!: Sale: 600 MS Points (Regular Price: 1200)
• GTA San Andreas: Sale: 600 MS Points (Regular Price: 1200)
• Max Payne: Sale: 600 MS Points (Regular Price: 1200)
• Max Payne 2: Sale: 600 MS Points (Regular Price: 1200)
• The Misadventures of PB Winterbottom: Sale: 400 MS Points (Regular Price: 800)

Xbox Avatar Accessories:

• RDR - Armadillo Undead Outfit M: Sale: 160 MS Points (Regular Price: 320)
• RDR - Armadillo Undead Outfit F: Sale: 160 MS Points (Regular Price: 320)
• RDR - Lasso: Sale: 120 MS Points (Regular Price: 240)
• Bioshock 2 Prototype Big Daddy Outfit M: Sale: 160 MS Points (Regular Price: 320)
• Bioshock 2 Prototype Big Daddy Outfit F: Sale: 160 MS Points (Regular Price: 320)
• Bioshock 2 - Big Sister Helmet: Sale: 80 MS Points (Regular Price: 160)
• Borderlands - Bandit Mask: Sale: 80 MS Points (Regular Price: 160)
• Borderlands - Moxxi Hat: Sale: 80 MS Points (Regular Price: 160)
• Mafia II - Fedora: Sale: 80 MS Points (Regular Price: 160)
• Mafia II - Vito’s Outfit M: Sale: 120 MS Points (Regular Price: 240)
• Mafia II - Vito’s Outfit F: Sale: 120 MS Points (Regular Price: 240)
• NBA 2K11 - NBA 2K11 Slam Dunk: Sale: 120 MS Points (Regular Price: 240)
• Los Angeles Lakers NBA Jersey M: Sale: 120 MS Points (Regular Price: 240)
• Los Angeles Lakers NBA Jersey F: Sale: 120 MS Points (Regular Price: 240)
• Boston Celtics NBA Jersey M: Sale: 120 MS Points (Regular Price: 240)
• Boston Celtics NBA Jersey F: Sale: 120 MS Points (Regular Price: 240)

Source: Major Nelson