About Easy Mode
A gentle 6-tile grid with a generous 6 seconds to scan it — a friendly introduction to spotting the odd one out.
Good for: toddlers, preschoolers, first-time players, gentle practice.
About the Wizard of Oz Theme
L. Frank Baum's 1900 book is fully in the public domain. Follow the yellow brick road through a deck of scarecrows, emerald palaces, tornadoes and friendly lions — drawn from the original novel, not any later film adaptation.