About Hard Mode
Start with 8 pictures and only 4 seconds to take your mental snapshot — observation training under real pressure.
Good for: teens, adults, brain-training, competitive players.
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.