末日之戰：生存

解開數學謎題以求生存。使用你的槍械對抗殭屍。解決數字問題來獲取更多子彈。考驗你的智慧與策略。

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Solve math puzzles to survive. Use your gun to battle zombies. Solve number problems to get more bullets. To test your wits and strategy.