In total the shops employed 25 people and all of them are to be made redundant.
The Maidenhead branch in The Nicholson's Shopping Centre had nine members of staff. It's closure comes just weeks after Peacocks shut and brings the total number of empty shops there to 10.
The branch in Slough also had nine staff and the Windsor branch in King Edward Court had seven staff.
The entertainment retailer announced it was in difficulty last week.
MJA Jervis and SD Maddison were appointed as joint administrators yesterday and are liaising with a number of potential buyers.
The doors of 277 stores throughout the UK and Ireland have been shut with immediate effect and 2,089 employees made redundant.
Joint administrator Mike Jervis said: "The recent job losses are regrettable but will place the company in a stronger position while we explore opportunities to conclude a sale.
"My team and I will be doing all we can to help the affected employees at this difficult time."
The remaining 333 stores, employing 2,829 people, will stay open as normal.
The closest Game stores are now in Staines or Uxbridge.
Until further notice the company is not offering refunds of exchanges unless an item is faulty or not fit for purpose.
UPDATE 3.40pm: A spokesman from Game said there are two shops in Slough and currently only one has closed.
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