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Science

Life on Earth

Order by how long ago it happened, most recent first. You get one card and a line of cards already in place — slot it where it belongs. Three wrong guesses and the run is over.

Play Life on Earth Browse all 78 decks Leaderboard
39
Cards
3
Lives per run
millions of years ago
Ordered by
Cards only
Card reveal

How Life on Earth is played

Every card in this deck carries a hidden value on the same scale — millions of years ago — and the run is one long sorting problem. The first card is dealt face up. Each card after it goes into the gap where you think it belongs, and the value only shows once it lands. Get it wrong three times and the run ends with whatever you had placed.

This deck can also be shuffled together with any other deck measured in millions of years ago — tick several on the deck tree to build one longer timeline out of them.

What's in the deck

28 of the 39 cards you could be dealt, plus 11 more. The values stay hidden until you place them.

  • Farming begins Fertile Crescent
  • Woolly mammoths die out Wrangel Island
  • Cave paintings at Chauvet France
  • Homo sapiens appears East Africa
  • Neanderthals appear Europe and western Asia
  • Controlled use of fire Homo erectus
  • Homo habilis appears East Africa
  • Australopithecus walks upright Afar region
  • Grasslands spread worldwide Global cooling
  • First whales Ancestral cetaceans
  • First primates After the dinosaurs
  • Tyrannosaurus rex hunts Western North America
  • Flowering plants spread Cretaceous
  • Pangaea breaks apart Supercontinent splits
  • First mammals Tiny shrew-like ancestors
  • First dinosaurs Triassic
  • Coal swamps cover the tropics Carboniferous
  • First reptiles Carboniferous
  • Devonian mass extinction Late Devonian
  • First forests Devonian
  • First insects Devonian
  • Plants colonise land Ordovician
  • First fish Cambrian seas
  • Ediacaran biota First large organisms
  • Multicellular life Complex organisms
  • First eukaryotic cells Cells with a nucleus
  • Cyanobacteria photosynthesise Stromatolites
  • First life Earliest microbial fossils

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