Mathemechanic - Number Puzzle Inspired by Sudoku

If you like puzzle games, especially with numbers like Sudoku you will love Mathemechanic! Like Sudoku this game improves your ability to think in advance. The objective of this number puzzle game is to match the target number of each row and column by switching the numbers on the board on or off. When you switch a number, the sum of both it's row and column changes. You complete a game when all targets, displayed on the side of the board match the sum of the corresponding column and row.

There are plenty of different board combinations. For each mode you can choose 5 board sizes and 4 different ranges of numbers. This ads up to 20 different boards per mode and each mode has it's own high score and save slot. Try them all and take a shot at your best scores and win streaks in this addicting number puzzle game.

Features:
★ Random boards giving unlimited variation.
★ Completely customize the game board to your liking or complete them all.
★ 5 different board sizes and 4 different number ranges for 20 boards per mode.
★ Improve your time on individual boards with Normal Mode.
★ Feel the pressure of the clock on Time Attack Mode.
★ Lockable cells.
★ Slick design.
★ Speed up your counting and subtracting skills.
★ Learn how to think in advance.

Planned features:
★ Better winning screen.
★ Improved local Leaderboard
★ Google Play Leaderboard.
★ Google Play Achievements.
★ Undo button.
★ All on/off button.

I really value the input of you!If you have any suggestions feel free to contact me and if they are feasible I will implement them eventually.