The store specializes in wargames and simulation games, while also offering a broad selection of board games, overseas gaming magazines, and independent creators’ titles. Its catalog includes Command Magazine and subscriptions, beginner-friendly games, solo wargames, historical and military-themed releases, card games, tabletop role-playing games, and products from International Enterprise Development and other publishers. Customers can browse both Japanese and translated editions, with some imported games supplied with Japanese-language rules or translations.

Featured titles range from campaigns set in the First and Second World Wars to lighter contemporary board and card games, reflecting the shop’s varied audience. a-game offers nationwide free shipping for eligible small, lightweight items, with free delivery also available on orders of ¥10,000 or more. Orders are generally dispatched within two business days, except on holidays, maintenance days, or during special events.

The shop also provides customer support, member registration, product updates, and information about sales and other promotions