SUM+SUM

SUM+SUM is a unique arithmetic puzzle game where you must keep or remove numbers to achieve the required sum in each row and column. Use logical thinking to balance the total value of the rows and columns on the number board. Join in the reasoning and analysis to determine the ultimate sum of each row and column to meet the target value displayed at the screen's edge.

How to play

The game's gameplay lies in its unique "triple-click toggle" control system. Each number cell can switch through three different states with just a click or touch of the screen. Each level is like a small logic puzzle, where every decision affects the entire structure of the number board. Keep the correct numbers so that the sum of all rows and columns equals the target value displayed at the edge of the board.

Rules

• Keep only the necessary numbers
• Remove excess numbers
• Balance horizontal and vertical sums simultaneously
• Complete the table before time runs out

Controls

Use the mouse to interact

Attractive features

• Logical gameplay: The game is true to its puzzle nature as players gradually find the complete solution to the number table.
• Puzzle-solving thinking: Players must balance the sums of both rows and columns simultaneously, creating interesting strategic depth.
• Design: The game uses a flat vector style with soft pastel colors and a clear interface to help players easily focus on the logic.

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PUZZLElogicbrainmathsingle-player