About Hard Mode
Two 8-picture boards and only 6 seconds — real detail-spotting under pressure.
Good for: teens, adults, brain-training, competitive players.
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.