brand new defy fridge not working

On the 19th December 2015 I purchased a fridge from Game menlyn the fridge was delivered on the 21st Dec. It was unwrapped and switched on and not working at all no power within minutes I called game spoke to a gentleman called Tau who took my details and never got back to me the next day I visited the store spoke to Solly the dep head and promised a replacement a week later returned to the store and requested they come and collect their fridge as I am not prepared to wait any longer and want my money back today is the 2 January 2016 and I am still waiting for Game have been to the store 6 times and made numerous calls spoken to numerous so called managers and still no joy please someone at game help me as I have now lost all confidence in the defy brand and games service levels