The Sentry Box is Canada's Largest Game Store. Family owned for over 43 years. Owned by gamers, employing gamers, and selling to gamers. With over 100,000 different items in stock, occupying 19,000 sq.ft of space, it has a selection that meets almost every need for the non-electronic gamer. PLEASE NOTE: Sentry Box Cards is now a separate business located on the north side of our building and has its own entrance and hours. Phone 403-457-9412 or email [email protected] for more information. Their hours are 12-8 normally. For some reason, Google keeps merging their information with ours.