About the Hard Coral Reef Board
This is the hard version of our coral reef memory game — a 12-pair, 24-card board laid out 6 cards wide. A demanding 24-card (12-pair) board — a serious workout for your short-term memory.
Best for: older children, teens, adults, seniors training recall, competitive players.
Tips for This Level
- On a hard board, aim to finish in under 26 moves.
- Flip every card on your first two passes to build a mental map.
- Take it one pair at a time — don't try to hold the whole board in your head at once.
About the Coral Reef Theme
Coral reefs are underwater cities — busier than any high street and twice as colourful. Dive in among the clownfish, octopuses and sea turtles for the brightest matching on the site.