Spot the Difference is the classic looking puzzle, made friendly for young players. Two pictures sit side by side, or one above the other on a phone. Something has changed: a pig has gone missing, the tractor turned blue, or a balloon popped up from nowhere. Tap a change on either picture and it gets a happy ring on both. The first pictures have three big, easy changes; later ones have more and smaller changes on busier scenes. There is no timer and nothing to lose. If you get stuck, a soft glow shows where to look, then a little hand points. Wombat cheers you on through a farm, a beach, candy land, snowy hills and a night picnic, and every stage you finish wins him a new hat.