Best Buy has the best new deal of the day, offering a free copy of Bungie's Destiny and a $50 gift card when you buy the $350 Assassin's Creed Unity Xbox One bundle, which comes with Unity and Assassin's Creed IV: Black Flag.

Below you'll find the rest of today's best deals divided by platform:

PlayStation 4

Sony still has a $400 PlayStation 4 bundle that lets you choose one out of four games: Destiny, NBA2K15, Far Cry 4, or LittleBigPlanet 3.

Sony has introduced the third week of holiday sales on the PlayStation Store. Some highlights from the third week of offers:

• Child of Light -- $9
• CounterSpy -- $9
• Hotline Miami -- $5
• Metro 2033 Redux -- $17.49
• Metro: Last Light -- $17.49
• Need for Speed Rivals: Complete -- $30

Other PS4 games deals:

• Diablo III: Ultimate Evil Edition -- $39 (Amazon)
• Middle-earth: Shadow of Mordor -- $41 (Amazon)
• Call of Duty: Advanced Warfare -- $40 (GameStop. Best Buy and Amazon matched the price)
• Lords of the Fallen -- $40 (GameStop)
• Destiny -- $45 (Amazon)
• Rocksmith -- $40 (Amazon)
• Transformers: Rise of the Dark Spark -- $30 (Amazon)
• The Last of Us Remastered -- $22 (Amazon)
• LittleBigPlanet 3 -- $40 (Ebay)
• Killzone: Shadow Fall -- $20.86 (Amazon)
• The Amazing Spider-Man 2 -- $30 (Amazon)
• Call of Duty: Ghosts Hardened Edition -- $45 (Amazon)

Xbox One

GameStop is offering a $50 gift card when you buy an Xbox One.

Best Buy is offering a free copy of Bungie's Destiny and a $50 gift card when you buy the $350 Assassin's Creed Unity Xbox One bundle, which comes with Unity and Assassin's Creed IV: Black Flag.

Walmart has an Xbox One with Halo: The Master Chief Collection for $350.

• Halo: The Master Chief Collection -- $46 (Amazon)
• Call of Duty: Advanced Warfare -- $40 (GameStop. Best Buy and Amazon matched the price)
• Lords of the Fallen -- $40 (GameStop)
• Forza Horizon 2 -- $34.10 (Amazon)
• Trials Fusion Deluxe Edition -- $20 (Microsoft)
• Sunset Overdrive -- $48 (Amazon)
• Just Dance 2014 -- $20 (Amazon)
• Destiny -- $45 (Amazon)
• The Amazing Spider-Man 2 -- $30 (Amazon)
• Call of Duty: Ghosts Hardened Edition -- $45 (Amazon)

This week's Deals with Gold include discounts for various Assassin's Creed, and Call of Duty games, among many others. Some highlights from the list of discounted Xbox One games:

• Assassin's Creed Unity -- $49.79
• Battlefield 4: Premium Edition -- $30
• Wolfenstein: The New Order -- $30

We also have a list of Xbox 360 Deals with Gold.

PC

Amazon has a big end of the year sale on downloadable PC games. Some highlights avalialble today:

• Wolfenstein: The New Order -- $20.40
• Crysis 3 -- $4
• Dishonored -- $5
• SimCity -- $10
• The Evil Within -- $20.40

Steam has launched its annual Winter Sale that introduces new deals every 24 and 12 hours. Make sure you check GameSpot's pick of the day and the following highlights:

• Saints Row IV -- $5
• The Walking Dead Season Two -- $6.24
• Endless Legend -- $17.49
• Outlast -- $5
• Grand Theft Auto IV -- $5
• Papers Please -- $2.49

Humble Bundle has kicked off its Winter Sale, with discounts on more than 500 games. The store will host 48-hour deals, 12-hour flash sales, and additional offers yet to be revealed over the course of the Winter Sale. Some great deals available right now include Shadow Warrior for $4 and The Walking Dead: Season 2 for $8.49.

GOG.com's Nordic In-N-Out sale is offering up to 90 percent off some of the publisher's games, including Painkiller Black Edition for $2.

You can get SimCity 2000 for free from Origin.

Green Man Gaming has kicked off its own Green Grogre Holiday Sale with more 24-hour and 48-hour deals. Some highlights that you can grab right now:

• Fallout 3 -- $2.50
• Fallout New Vegas -- $2.50
• State of Decay -- $5
• Murdered: Soul Suspect -- $7.49

Green Man Gaming is also offering a 22 percent discount on digital games with the code BK0F62-EI6HXM-B8PXY4.

• South Park: The Stick of Truth -- $20 (Amazon)
• Battlefield 4 -- $20 (Amazon)

PS Vita

• Sly Cooper: Thieves in Time -- $5
• Wipeout 2048 -- $5
• Resistance: Burning Sky -- $5

Hardware

• Samsung 28-Inch Ultra High Definition LED Monitor -- $490 (Amazon)

GameSpot's gaming deals posts always highlight the best deals we can find regardless of retailer. We also occasionally use retailer affiliate links, which means that purchasing goods through those links helps support all the great content (including the deals posts) you find for free here on the site. Got questions? Email news@gamespot.com or ask us in the comments!