Coral Reef What's Missing? Game

Study the board, then spot which picture vanished — the rainbow city under the sea

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Eyes on the board!

Memorise the coral reef pictures — then work out which one vanished.

About the Coral Reef What's Missing? Game

A picture-recall challenge based on the classic parlour game. Study a board of pictures for a few seconds, then one quietly disappears — can you say which? Rounds get bigger and faster as you go, and three wrong answers ends the run.

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 and memorise every picture on the board.
  • After a few seconds the board hides and one picture is removed.
  • Pick the missing picture from the answer choices.
  • Each correct answer adds a bigger board. Three misses ends the game.

Why Play What's Missing?

  • Trains observation and visual recall under time pressure
  • Based on "Kim’s Game", used for over a century in memory training
  • Great party and classroom game — call answers out loud together

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.

More ways to play Coral Reef

Coral Reef What's Missing? by Difficulty

Coral Reef What's Missing? for Every Age

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Frequently Asked

How do I play the coral reef what's missing game?

Press Start and memorise the board of coral reef pictures. After a few seconds one picture is removed — pick the missing one from the answer choices. The board grows each round, and three wrong answers ends the run.

What is the what's missing game called?

It's a digital version of "Kim's Game", a classic observation exercise from Rudyard Kipling's novel Kim, used for over a century in scouting and memory training.

Is the coral reef what's missing game free?

Yes — every game on Best Memory Games is 100% free with no signup, no downloads and no ads during gameplay.