Depends on the cost of crysis. If you are going to buy it anyway, deduct the cost of the game. BTW, if you ever trade up, the game is yours to keep and the trade up value would be £192. So IF you are at all thinking tradeup as a good possibility, the game would be free in the end.
from evga step up policy:
"An exception to this rule is if the original product came with a promotional game. This is deemed as a gift and does not need to be returned with the trade-in card. The participant will not be charged for not returning a bundled game." http://www.evga.com/stepup/default.asp?switch=2