Symbol Puzzle

Logic Sum Puzzle is a pure deduction game. No guessing, no luck — just logic. Each puzzle presents a grid filled with symbols. Your goal: figure out the value of each symbol using only the row and column sums as clues. Every puzzle has a unique, mathematically consistent solution. HOW TO PLAY • Study the sums at the end of each row and column • Deduce the value hidden behind each symbol • Fill in your answers and verify when ready • Make 3 mistakes and the puzzle locks — use a hint to continue FEATURES • 9,999 unique puzzles across 3 difficulty levels • Daily Challenge — one exclusive puzzle every day • Build your streak and earn hint rewards • 3 grid sizes: 3×3 up to 6×6 • Hint system: Reveal a value, compare two symbols, or verify a row • Earn hints by completing puzzles cleanly or watching an optional ad • No forced ads — completely optional HINTS • Complete any puzzle without hints → +1 bonus hint • Complete the Daily Challenge → earn 4–6 hints • Maintain a streak → bonus hints at 3, 7, 14 and 30 days • Watch an optional rewarded ad → +3 hints (once every 5 minutes) • Or purchase hint packs to always have them available Go Premium to remove ads permanently and receive 50 hints instantly. A new Daily Challenge awaits every day. How long can you keep your streak?