Amazon will have an official B2G1 free PS4 game promotion on Tuesday:

Promotion Starts on Tuesday 11/12/13 at 9:00am PST through 1:00pm PST or while supplies last.

• What is the promotion? This is a buy 2 get 1 free promotion. Simply add 3 of the select list of PS4 games to your cart. At checkout, use the eight digit promotional code, GR8TNESS. The discount will be reflected in your Order Summary.
• What is the promotional code? GR8TNESS

• When will the promotion be applied? The promotion will be applied at checkout after you enter the promotional code.

• What games qualify for the Buy 2 get 1 promotion? The promotion applies only to qualifying items displaying the offer message on the promotional landing page. The promotion applies only to items sold and shipped by Amazon.com. The same items sold by other sellers do not qualify.

- Angry Birds: Star Wars - PlayStation 4
- Assassin's Creed IV Black Flag - PlayStation 4
- Battlefield 4 - PlayStation 4
- Call of Duty: Ghosts - PlayStation 4
- FIFA 14 - PlayStation 4
- Injustice: Gods Among Us Ultimate Edition - PlayStation 4 Standard Edition
- Just Dance 2014 - PlayStation 4
- Killzone: Shadow Fall (PlayStation 4)
- Knack (PlayStation 4)
- LEGO Marvel Super Heroes - PlayStation 4
- Madden NFL 25 - PlayStation 4
- NBA 2K14 - PlayStation 4
- Skylanders SWAP Force - PlayStation 4

Please note: Call of Duty: Ghosts and Skylanders Swap Force Starter Packs are sold separately at the full price.