About Hard Mode
The full 9-tile pad — every step of the sequence could be anywhere. A serious working-memory workout.
Good for: teens, adults, brain-training sessions, competitive players.
About the Alice in Wonderland Theme
Lewis Carroll's 1865 Alice in Wonderland is firmly public domain — we can use the whole curious cast. White rabbits, mad tea parties, caterpillars, keys and cakes that say "eat me".