2Sec Mental arithmetic play online

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.