Brain Math - Sum Circle

Circle the right numbers so every row and column reaches its target. Sum Circle is a calm, satisfying puzzle built around simple addition and smart deduction. Each grid contains numbers and a target total for every row and column. Mark the numbers to keep, remove the ones that do not belong, and combine clues across the board. Later levels introduce colored regions with targets of their own for deeper chains of logic. FEATURES • 1,000 built-in levels, from quick 3×3 boards to challenging 10×10 grids • A smooth difficulty curve from Easy to Expert • A new Daily Challenge every day with streak tracking • Unlimited Practice puzzles in Easy, Medium, or Hard • Helpful hints, undo, and automatic progress saving • Stars, completion statistics, win streaks, and best times • Colored regions that add another layer of deduction • Light and Dark appearances Every puzzle is verified to have exactly one solution. No guessing is required: compare the totals and let each deduction reveal your next move. Play at your own pace without creating an account. Built-in levels, Daily Challenges, and Practice puzzles can all be played offline. Can you make every sum fit?