Game Keeper Online is a Montreal-based retailer serving players, collectors, and tabletop gaming enthusiasts. Located at 10810 Lajeunesse in Montreal, Quebec, the store offers a broad selection of trading card games, collectible products, and gaming accessories through its online storefront. Its inventory includes Magic: The Gathering singles, sealed products, lots, and basic lands, alongside Yu-Gi-Oh!, Pokémon, Disney Lorcana, One Piece, Riftbound, and Gundam Card Game cards and products. Shoppers can also browse other sealed trading card products and gaming supplies.

Beyond cards, Game Keeper Online carries board games, Beyblade products, role-playing games, Games Workshop items, LEGO, and Star Wars Destiny products. The site provides tools and services for customers, including a wishlist, deckbuilder, advanced search, and a buylist for selling eligible cards. Customers can view event listings, register for events, purchase gift certificates, and find information about card condition and store policies. Game Keeper Online brings together products and useful resources for a diverse community of card-game and tabletop fans.