Prompt 5 of 7
Name a geologic eon, era, period, or epoch
57 accepted answers across 6 rarity tiers.
100 ptsOne in a Krillion1 answer
The rarest possible answer — almost no player finds it.
- Ediacaran— Ratified only in 2004, the first new geological period in 120 years.
85 ptsDeep Cut27 answers
Genuinely obscure. Most players never think of it.
- Calymmian
- Cisuralian
- Cryogenian
- Ectasian
- Eoarchean
- Furongian
- Guadalupian
- Llandovery
- Lopingian
- Ludlow
- Mesoarchean
- Mesoproterozoic
- Mississippian
- Neoarchean
- Neoproterozoic
- Orosirian
- Paleoarchean
- Paleoproterozoic
- Pennsylvanian
- Pridoli
- Rhyacian
- Siderian
- Statherian
- Stenian
- Terreneuvian
- Tonian
- Wenlock
60 ptsRare15 answers
Uncommon — only a minority of players land here.
- Archean
- Eocene
- Hadean
- Miocene
- Neogene
- Oligocene
- Ordovician
- Paleocene
- Paleogene
- Phanerozoic
- Pliocene
- Proterozoic
- Quaternary
- Silurian
- Tertiary
30 ptsSchooler9 answers
A solid, middling pick shared with plenty of other players.
- Cambrian
- Cenozoic
- Devonian
- Holocene
- Mesozoic
- Paleozoic
- Permian
- Pleistocene
- Precambrian
15 ptsToo Clever2 answers
An overthought pick that scores below the middle of the board.
- Anthropocene— Sounds current, but stratigraphers formally voted it down in 2024.
- Carboniferous— Oxygen ran so high that dragonflies grew to seagull size.
10 ptsPlankton3 answers
The most common answer on the board.
- Cretaceous
- Jurassic
- Triassic