All you have to do is create a group of the same number, as you link the numbers up and remove the group the number will increase.
Lots of 'Achievements' to keep you coming back for more!
Android: https://play.google.com/store/apps/details?id=com.ebs.numberup
iOS: https://itunes.apple.com/us/app/numberup/id1364759948?ls=1&mt=8
And I'm always looking for the next opportunity, so why not PM me see what we can do!
