About the Coral Reef Spot the Difference Game
The classic puzzle-page favourite, digitised. Two picture boards sit side by side, identical at a glance — but one tile in the second board has been swapped. Compare carefully and tap the tile that changed before time runs out.
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.
How to Play
- Press Start. Two boards appear, looking identical.
- Compare them tile by tile — one has been swapped for something different.
- Tap the changed tile, on either board, before the timer runs out.
- Each round adds more tiles and less time. Three misses ends the run.
Why Play Spot the Difference?
- Trains comparative visual attention and detail-spotting
- A calmer pace than reaction games, but still a real challenge as boards grow
- The same skill used in "spot the difference" puzzle books, now with a timer and a score
Fun Facts About Coral Reef
- Corals look like plants but are actually colonies of tiny animals.
- Coral reefs cover less than 1% of the ocean floor but support about a quarter of all marine life.
- The Great Barrier Reef is the largest living structure on Earth.
- An octopus has three hearts and blue blood.