Quizzing Store is an online shop for people who enjoy competitive quizzes and want to try questions from past championship events. Its catalogue features archived World Quizzing Championships papers, with editions listed from 2004 onward in the available material. Each World Championship set contains two papers of 120 questions apiece, divided across four genres. The store also offers British Quizzing Championships quizzes, described as 240 questions across six genres, combining a UK emphasis with international topics, and European Quizzing Championships individual qualifiers of 100 questions. Some qualifier editions include music questions that cannot be played.

These quiz products are available to purchase at listed prices, with options to add them to a cart. The store explains that results from certain papers can be used in international or UK quiz rankings, depending on the event. It also directs visitors to related quizzing websites for event information, scores, rankings, and details about upcoming competitions.