back down (from someone or something)
to fail to carry through on a threat to do something
The government backed down from their plan to sell the national airline.
Costliest Video Games Ever Produced
Call Of Duty Modern Warfare 2
This first person shooter which was released in 2009 is the sixth edition in the Call of Duty Series. After the Universal critical acclaim that Call of Duty 4 Modern Warfare received, its no surprise that Infinity Ward wanted to go big in its marketing campaign for the sequel. Nearly200 Million Dollarswere spent on the games various publicity materials in addition to the cost of development which was between 40 50 Million USD.