Killer Sudoku - Puzzle Game

Come to play this new Killer Sudoku game.You can exercise your brain, also have fun in the game.
Killer Sudoku is more suitable for romance and high-end players.
Novice players can start from the difficulty and understand rules of sudoku;
High-level players can challenge expert difficulty and challenge yourselves!
How to play:
-The goal is to fill all the numbers in the blanks.
-Light up each different area, the sum of the numbers contained in the area is equal to the number in the upper left corner.
-In each 3x3 area block, the sum of all numbers in a row or column is equal to 45.
-The numbers in each area, row, column or 3x3 nine-square grid cannot be repeated.
Features:
-Thousands of puzzles
-Featured daily challenges
-Guided help for hints and notes
-Various players of different difficulty
-Automatically save, stop and play anytime
-Share your victory with friends and family!