After a year’s absence, a little game called ‘Edge’ is back on sale and is in the App Store’s Top 10.

A deceptively simple block-based title, it has had something of a torrid life. Launched five months into the App Store’s reign, it was withdrawn after a trademark dispute – ‘Edge’, in all its permutations, had already been claimed by another games company. After a12-month period in the wilderness, though, ‘Edge’ is back, its legal challenger vanquished – and there are happy gamers all round.