TimedArithmeticQ

This is a refreshing pattern memory puzzle app. The core gameplay involves briefly memorizing several target patterns within a 4x4 grid, then selecting all the correct options from 12 hidden candidates within a time limit. There are eight progressively challenging levels, with later levels introducing highly similar distracting patterns that test observation and anti-interference skills. The app offers three modes: Classic, Speed, and Challenge, each with its own instructions and reward coefficients. Users earn points through daily check-ins and level completion, which can be redeemed in the item shop for items such as hints, time stops, and error correction tools, adding a more strategic element. The homepage summarizes points, consecutive check-ins, and the highest score, while the "My" section displays inventory and rules, creating a complete experience of training, rewards, and growth, perfect for repeated challenges and record-breaking during short breaks.