2Sec Mental arithmetic

■ 2 seconds you need - you can feel the speed and excitement.
■ You can enjoy playing during a short break.

■ Train your brain.
You can wake up your brain anytime, anywhere every day.

■ Have fun training with your family and friends.
You can train your brain by competing and cooperating with your friends.

■ Share your scores with people around the world.
You can share your scores with people all over the world and have fun training.