http://www.amazon.com/gp/feature....i=14210751
quote
For a limited time, when you purchase Red Dead Redemption and Undead
Nightmare together, you can save $20.
To qualify put both a copy of Red Dead Redemption and a copy of Undead
Nightmare in your cart. The discount will be reflected during checkout.
Offer valid when shipped and sold by Amazon.com. Limit one per household.
Amazon reserves the right to change or terminate this promotion at any time.
