Xbox Live Marketplace Black Friday-only deals include Forza Horizon DLC, Quantum Conundrum

Microsoft is offering a few Black Friday deals on Xbox Live Marketplace, including Forza Horizon downloadable content and Airtight Games' Quantum Conundrum.

The discounts listed below are only valid today; they're separate from the Marketplace deals running through Cyber Monday, Nov. 26, which include price cuts on Xbox Live Arcade games like Spelunky and on Forza Motorsport 4 DLC.

• 200 Microsoft Points ($2.50): Forza Horizon October Car Pack
• 400 Microsoft Points ($5): Mass Effect 3: Leviathan, Batman: Arkham City - Harley Quinn's Revenge, Tom Clancy's Ghost Recon: Future Soldier - Arctic Strike Map Pack
• 600 Microsoft Points ($7.50): Quantum Conundrum, Dungeon Defenders, Tom Clancy's Ghost Recon: Future Soldier - Raven Strike Map Pack

All of the discounts are price cuts of 50 percent.