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Category Challenge

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About Category Challenge

Category Challenge is a quiz game that presents randomly selected questions, each with four possible answers. Choose the correct answer to move on to the next question.

Questions cover many types, and answering them can help you increase your knowledge. At the start, the game selects a question type at random. You advance to the next level by answering five questions correctly and three questions correctly.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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