After clicking 'Start Game', wait for the countdown in the bottom right corner of the game window (15~20 seconds), or press 'SKIP AD' to start playing!
After clicking 'Start Game', wait for the countdown in the bottom right corner of the game window (15~20 seconds), or press 'SKIP AD' to start playing!

Game Popularity: 81563
Game Description:
Sum Master is an engaging and challenging number puzzle game designed to enhance your mental arithmetic and logical reasoning skills. The objective is to select numbers within a grid so that the sums of each row, column, and colored region match the specified targets. Each puzzle has a unique solution, requiring players to carefully consider which numbers to include or exclude. The game offers a stimulating experience that combines fun with educational value.
Gameplay Instructions:
Select the numbers so that:
- Sum of numbers in every row equals the clue number on the right.
- Sum of numbers in every column equals the clue number at the top.
- Sum of numbers in every colored region matches the small number
inside that region.
Sum Master

Game Popularity: 81563
Game Description:
Sum Master is an engaging and challenging number puzzle game designed to enhance your mental arithmetic and logical reasoning skills. The objective is to select numbers within a grid so that the sums of each row, column, and colored region match the specified targets. Each puzzle has a unique solution, requiring players to carefully consider which numbers to include or exclude. The game offers a stimulating experience that combines fun with educational value.
Gameplay Instructions:
Select the numbers so that:
- Sum of numbers in every row equals the clue number on the right.
- Sum of numbers in every column equals the clue number at the top.
- Sum of numbers in every colored region matches the small number
inside that region.
