Developer description

Addition is one of the simplest and earliest mathematical tricks taught. Everyone ends up adding two numbers every day for some reason or the other. There couldn't possibly be anything more basic than this.

If you've got so much experience, let's see how good you are at it. Can you add?
The game is straightforward and simple -
The game consists of a 3x3 grid. 5 numbers are generated at random, in random places of the grid.
There are 3 different game modes to choose from, Classic / Rush / Infinity.

To make a combination, you have to select the "SUM" first, followed by the two numbers that add up to the sum.
• Correct combination: 20 = 8 + 12 OR 20 = 12 + 8
• Wrong combination: 8 + 12 = 20 OR 12 + 8 = 20
Each time you pass a level, you get a bonus 30 seconds of more time.

★ Note: Not only are these kind of games fun, but scientifically proven helpful to train your brain and make it think and respond faster. Enjoy!

Sum is a simple maths puzzle game. It's intended not only to help you learn and train your brain, but it's also fun! Spend your valuable time with this competitive mind trainer and never get bored. Can you solve it? How fast can you add?

Last updated 25 Jun 2015