1. Name a historic trade route
The rarest answer starts with “A” (10 letters, 2 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
Answer archive
Krillion answers — Sunday, March 21, 2027
One day of Krillion Infinite, preserved in full.
These are the 7 prompts from the Krillion Infinite daily dive for Sunday, March 21, 2027, 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 a sport at the Summer Olympics
The rarest answer starts with “M” (17 letters, 2 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
3. Name a country that borders only one other country
The rarest answer starts with “L” (7 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
4. Name a string instrument
The rarest answer starts with “E” (4 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
5. Name a planet in our solar system
The rarest answer starts with “E” (4 letters). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
6. Name a subatomic particle
The rarest answer starts with “T” (12 letters, 2 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
7. Name a type of electromagnetic radiation
The rarest answer starts with “T” (19 letters, 2 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
The full answers
Name a historic trade route
🫧 Plankton (10 pts): The Silk Road, The Spice Route
🤡 Too Clever (15 pts): Oregon Trail, Santa Fe Trail
🐟 Schooler (30 pts): Camino Real, Natchez Trace
🦑 Rare (60 pts): Grand Trunk Road, Spice Route
🏮 Deep Cut (85 pts): Trans-Saharan trade route, Tea Horse Road
🌟 One in a Krillion (100 pts): Amber Road, Incense Route
Name a sport at the Summer Olympics
🫧 Plankton (10 pts): Swimming, Gymnastics, Basketball, Soccer
🤡 Too Clever (15 pts): Tennis, Golf
🐟 Schooler (30 pts): Volleyball, Table Tennis
🦑 Rare (60 pts): Rowing, Badminton
🏮 Deep Cut (85 pts): Fencing, Archery
🌟 One in a Krillion (100 pts): Modern Pentathlon, Trampoline
Name a country that borders only one other country
🫧 Plankton (10 pts): United Kingdom, South Korea, Canada
🤡 Too Clever (15 pts): Ireland, Portugal
🐟 Schooler (30 pts): Denmark, Vatican City
🦑 Rare (60 pts): Haiti, Dominican Republic
🏮 Deep Cut (85 pts): Brunei, Qatar
🌟 One in a Krillion (100 pts): Lesotho, San Marino
Name a string instrument
🫧 Plankton (10 pts): Violin, Guitar
🤡 Too Clever (15 pts): Mandolin, Ukulele
🐟 Schooler (30 pts): Harp, Banjo
🦑 Rare (60 pts): Cello, Viola
🏮 Deep Cut (85 pts): Double bass, Sitar
🌟 One in a Krillion (100 pts): Erhu, Viola da gamba
Name a planet in our solar system
🫧 Plankton (10 pts): Mars, Earth, Jupiter
🤡 Too Clever (15 pts): Venus, Saturn
🐟 Schooler (30 pts): Neptune, Mercury
🦑 Rare (60 pts): Pluto, Uranus
🏮 Deep Cut (85 pts): Haumea, Ceres
🌟 One in a Krillion (100 pts): Eris, Makemake
Name a subatomic particle
🫧 Plankton (10 pts): Proton, Electron
🤡 Too Clever (15 pts): Quark, Neutron
🐟 Schooler (30 pts): Neutrino, Photon
🦑 Rare (60 pts): Positron, Electron neutrino
🏮 Deep Cut (85 pts): Gluon, Tau lepton
🌟 One in a Krillion (100 pts): Tau neutrino, Muon
Name a type of electromagnetic radiation
🫧 Plankton (10 pts): Visible light, Radio waves
🤡 Too Clever (15 pts): X-rays, Gamma rays
🐟 Schooler (30 pts): Infrared, Hard X-rays
🦑 Rare (60 pts): Ultraviolet, Microwaves
🏮 Deep Cut (85 pts): Far infrared, Soft X-rays
🌟 One in a Krillion (100 pts): Terahertz radiation, Extreme ultraviolet