Sumstone - Mental Math Puzzle Game - Think fast, crunch numbers - inspired by Countdown

Six numbers. One target. Can you crack it? Sumstone is a number puzzle inspired by the Countdown game show. Combine six numbers using addition, subtraction, multiplication, and division to reach the target, or get as close as you can before time runs out. DAILY PUZZLE A new challenge every day, the same for every player. Difficulty rises through the week, from Easy on Monday to Expert on Sunday. Share your score, compare with friends, and build your streak.