1. Name a type of fossil
The rarest answer starts with “C” (9 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
Answer archive
Krillion answers — Thursday, May 21, 2026
One day of Krillion Infinite, preserved in full.
These are the 7 prompts from the Krillion Infinite daily dive for Thursday, May 21, 2026, with every accepted answer published by rarity tier — from the Plankton answer everyone gave, down to the One in a Krillion answer worth 100 points. Already played? Compare your dive honestly. Not played yet? If this page is today's date, close it and play first — spoilers are real down here.
Hints — a nudge before the answers
Want to almost find it yourself first? Each hint describes that prompt's rarest answer — its first letter, its length, and how much company it has in the deep tiers — without naming it. The full answers are right below, past the point of no return.
2. Name an ancient Greek philosopher
The rarest answer starts with “Z” (14 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
3. Name a sport that originated in England
The rarest answer starts with “R” (8 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
4. Name a branch of biology
The rarest answer starts with “M” (8 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
5. Name something invisible that is real
The rarest answer starts with “V” (15 letters, 2 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
6. Name a toothed whale
The rarest answer starts with “P” (17 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
7. Name a famous queen
The rarest answer starts with “H” (10 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
The full answers
Name a type of fossil
🫧 Plankton (10 pts): Fossilized bone, Ammonite
🤡 Too Clever (15 pts): Dinosaur fossil, Trilobite
🐟 Schooler (30 pts): Amber fossil, Imprint fossil
🦑 Rare (60 pts): Cast fossil, Petrified wood
🏮 Deep Cut (85 pts): Trace fossil, Mold fossil
🌟 One in a Krillion (100 pts): Coprolite, Gastrolith
Name an ancient Greek philosopher
🫧 Plankton (10 pts): Aristotle, Socrates
🤡 Too Clever (15 pts): Plato, Xenophon
🐟 Schooler (30 pts): Pythagoras, Diogenes of Sinope
🦑 Rare (60 pts): Epicurus, Protagoras
🏮 Deep Cut (85 pts): Heraclitus, Democritus
🌟 One in a Krillion (100 pts): Zeno of Citium, Thales of Miletus
Name a sport that originated in England
🫧 Plankton (10 pts): Soccer, Football
🤡 Too Clever (15 pts): Cricket
🐟 Schooler (30 pts): Tennis, Rugby
🦑 Rare (60 pts): Field Hockey, Badminton
🏮 Deep Cut (85 pts): Darts, Squash
🌟 One in a Krillion (100 pts): Rounders, Netball
Name a branch of biology
🫧 Plankton (10 pts): Zoology, Anatomy
🤡 Too Clever (15 pts): Genetics, Ecology
🐟 Schooler (30 pts): Microbiology, Botany
🦑 Rare (60 pts): Ornithology, Ichthyology
🏮 Deep Cut (85 pts): Entomology, Herpetology
🌟 One in a Krillion (100 pts): Mycology, Phycology
Name something invisible that is real
🫧 Plankton (10 pts): Air, Wind, Love
🤡 Too Clever (15 pts): Oxygen, Time, Gravity, Ghost
🐟 Schooler (30 pts): Wifi, Sound, Bacteria, WiFi signal
🦑 Rare (60 pts): Helium, Magnetic field, Infrared
🏮 Deep Cut (85 pts): Neutrinos, Dark matter
🌟 One in a Krillion (100 pts): Virtual photons, Phonons
Name a toothed whale
🫧 Plankton (10 pts): Dolphin, Killer whale
🤡 Too Clever (15 pts): Sperm whale, Orca
🐟 Schooler (30 pts): Bottlenose dolphin, False killer whale
🦑 Rare (60 pts): Beluga whale, Pilot whale
🏮 Deep Cut (85 pts): Narwhal, Risso's dolphin
🌟 One in a Krillion (100 pts): Pygmy sperm whale, Dwarf sperm whale
Name a famous queen
🫧 Plankton (10 pts): Cleopatra, Queen Elizabeth II
🤡 Too Clever (15 pts): Queen Victoria, Elizabeth I
🐟 Schooler (30 pts): Isabella I, Marie Antoinette
🦑 Rare (60 pts): Mary Queen of Scots, Nefertiti
🏮 Deep Cut (85 pts): Boudica, Empress Wu
🌟 One in a Krillion (100 pts): Hatshepsut, Zenobia