A distinctive visual style and an imaginative approach to gameplay help to set Ivory's two spot the difference games above the standard Flash fare found online. Five Differences came first and now Ivory has developed the concept with Six Differences. In addition to having an extra difference on each level, Six Differences has a more varied look and a more mischievous spirit. On many levels finding the fifth difference triggers an onscreen event which leads to the sixth difference becoming apparent. It also adds a soundtrack and a hint button. Both games are thoroughly absorbing and you'll wish they lasted longer.