
Touch Arcade: Blendoku [Free] is a game you might not immediately recognize as such. I didn't. Where, I wondered, is the challenge in lining up five colours according to hue? You put the darkest blue on the right side, the lightest blue on the left, and fill the rest with shades in between. A color theory exercise, perhaps, but a game?

Jo from GamersFTW writes: 'Who doesn’t enjoy a good, challenging puzzle? Here is a list of some wonderfully colourful games that will keep your brain thinking as well as being brilliantly artistic and bright. All are available on android devices and are free to download.'

Developers often decide to make their games free for a variety of reasons: exposure, ad sales, or a reliance in in-app purchases, and sometimes free games are even better than many paid titles.
Here are some of the best free iOS and Android games.

Love playing puzzles but tired of the same kind of puzzles available on play store and app store. Don’t worry because today we are talking about a different kind of puzzle – Developed by Lonely Few, Blendoku is a game where you have to distinguish changes in color.