Here is the updated $10-$20 Amazon Credit list:
Xbox 360:
- Halo Reach (Standard Editon) - $59.99 + $20 Credit
- Halo Reach (Limited Editon) - $79.99 + $20 Credit
- Halo Reach (Legendary Editon) - $149.99 + $20 Credit
- Call of Duty: Black Ops - $59.99 + $20 Credit
- Call of Duty: Black Ops Hardened Edition - $79.99 + $20 Credit
- Call of Duty: Black