Suodo

Suodo [/su:'doʊ/], which means reading numbers, is a game designed to train your brain with a series of number sequences, where you have to find out the logic behind to give the next right number.

The game keeps everything simple -- even the interface and the only kind of questions -- so that you can focus on the numbers itself and drive full speed of your mind on the logic.

It can perfectly fill your spare time and keeps your mind sharp. Come and take your challenges, as this game can be really hard in the end!