A maths mystery:
A snail has fallen into a dry well, 21 metres deep. It starts climbing up the side of the well to escape. Each day it climbs 7 metres, but each night it slides back 2 metres. If it starts climbing on 1st July, on which day will it finally be out of the well?
Just looking at this makes my brain hurt. Digolux is maths I can get on board with. Colourful and fun, Digolux is a puzzle game that tests your calculation skills. An absolute must for fans of 2048. Today, Digolux with unlimited ad-free plays drops £2.49 for FREE.