Hidden Links : Animals
Suggested age: Easy from age 7 · Medium from age 9 · Hard from age 10 · Expert from age 12
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How to play Hidden Links
Click three pictures on Easy, four on other levels. The game checks your group automatically when all pictures are selected. Click a card again to deselect it.
A correct group joins together with an explanation. A wrong selection is marked, then cleared so you can try again. Picture names stay visible at every level. Expert does not flag nearly correct groups.
Discovery mode allows unlimited mistakes, with no timer or account required.
Explore the links and their explanations
These notes reveal the answers. Open them after playing, or to learn before you start.
Cats, big and small
The cat, lion, tiger and leopard belong to the cat family.
Learn moreBirds
Penguins and ostriches are birds even though they cannot fly. All birds have feathers.
Learn moreSix legs: insects
These adult insects have six legs. An eight-legged spider is not an insect.
Learn moreReptiles
Turtles, crocodiles, snakes and chameleons are reptiles. Their skin has scales.
Learn moreAmphibians
Frogs, toads, salamanders and axolotls are amphibians. Axolotls keep their gills as adults.
Learn moreMarine mammals
Whales, dolphins, seals and walruses breathe air and nurse their young: they are mammals, not fish.
Learn moreFrequently asked questions
Is the game free without registration?
Yes. Games are free and progress is saved in this browser.
How do the four levels work?
Easy has nine pictures and names the groups. Medium has twelve with hidden groups. Hard has sixteen. Expert keeps sixteen and gives stricter feedback without flagging almost-correct groups. Names are always visible.
Is the daily puzzle the same for everyone?
Yes, at the same level. It changes at midnight in Paris. Results include the level and mistakes.