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    Pliboo

    Pliboo is a free browser games site with thousands of online games – including racing, shooting, puzzle, sports, and 2-player games. All titles run instantly in your browser with no downloads.

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    © 2026 Pliboo. All rights reserved.

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    Number Sums

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    Number Sums

    🧩Puzzle

    Number Sums is a brain training game where you tackle number puzzle challenges on a grid. To solve each level, you select numbers by tapping or clicking them, making sure that the sum of the chosen numbers in every row, column, and colored region matches the specific clue numbers shown on the board's edges and inside each colored area. Your goal is to find the unique combination of numbers that satisfies all these sum requirements simultaneously. This logic puzzle game is a great mental math challenge, designed to sharpen your addition skills and strategic thinking. It's an engaging math puzzle game for adults looking to improve their arithmetic in a fun way.

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    🧠Brain Training
    🎮Challenge

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    • Circle numbers: Sum to given totals. • Toggle: Switch between circling and erasing modes.

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