Solve puzzles by filling a grid with numbers that add up to given clues. Each row and column must contain unique digits. Complete the grid by ensuring all sums match clues and no duplicates exist in any sum.
Play in three modes: two-player local, human vs. balanced CPU, and human vs. advanced CPU. Choose from eight themed backgrounds. Take turns marking spaces to win rows, columns, or diagonals.
Play a turn-based strategy game with two difficulty modes. Challenge AI with teleportation or traditional rules. Enjoy clean interface, instant start, and offline play. Track progress and compete against smart opponents.