1. Name an ancient civilization
The rarest answer starts with “K” (15 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
Answer archive
Krillion answers — Thursday, December 17, 2026
One day of Krillion Infinite, preserved in full.
These are the 7 prompts from the Krillion Infinite daily dive for Thursday, December 17, 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 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.
3. Name a country with the letter Z in its name
The rarest answer starts with “B” (22 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
4. Name something you can tune
The rarest answer starts with “K” (11 letters, 2 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
5. Name a country that starts and ends with the letter A
The rarest answer starts with “A” (19 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
6. Name something people collect
The rarest answer starts with “B” (21 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
7. Name a romantic comedy
The rarest answer starts with “T” (12 letters, 3 words). Only 4 answers on this prompt score Deep Cut or better — think past the obvious.
The full answers
Name an ancient civilization
🫧 Plankton (10 pts): Egypt, Mesopotamia
🤡 Too Clever (15 pts): Ancient Greece, Ancient Rome
🐟 Schooler (30 pts): Aztec, Inca
🦑 Rare (60 pts): Babylon, Assyria
🏮 Deep Cut (85 pts): Phoenicia, Minoan
🌟 One in a Krillion (100 pts): Kingdom of Kush, Olmec
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 country with the letter Z in its name
🫧 Plankton (10 pts): Zambia, Zimbabwe, Azerbaijan
🤡 Too Clever (15 pts): Czechia, Belize
🐟 Schooler (30 pts): Switzerland, New Zealand
🦑 Rare (60 pts): Mozambique, Tanzania
🏮 Deep Cut (85 pts): Kazakhstan, Uzbekistan
🌟 One in a Krillion (100 pts): Bosnia and Herzegovina, Kyrgyzstan
Name something you can tune
🫧 Plankton (10 pts): Guitar, Piano, Radio, Violin
🤡 Too Clever (15 pts): TV, Voice
🐟 Schooler (30 pts): Ukulele, Drum kit, Engine
🦑 Rare (60 pts): Antenna, Banjo head, Carburetor
🏮 Deep Cut (85 pts): PID loop, Skis
🌟 One in a Krillion (100 pts): Kite bridle, Theremin pitch coil
Name a country that starts and ends with the letter A
🫧 Plankton (10 pts): Australia
🤡 Too Clever (15 pts): Argentina
🐟 Schooler (30 pts): Austria
🦑 Rare (60 pts): Albania, Algeria
🏮 Deep Cut (85 pts): Armenia, Angola
🌟 One in a Krillion (100 pts): Antigua and Barbuda, Andorra
Name something people collect
🫧 Plankton (10 pts): Stamps, Coins, Cards, Rocks
🤡 Too Clever (15 pts): Shells, Vinyl records, Sneakers
🐟 Schooler (30 pts): Antiques, Comic books, Spoons
🦑 Rare (60 pts): Thimbles, Snow globes
🏮 Deep Cut (85 pts): Airline sick bags, Umbrella covers
🌟 One in a Krillion (100 pts): Barbed wire specimens, Squirrel vertebrae
Name a romantic comedy
🫧 Plankton (10 pts): Pretty Woman
🤡 Too Clever (15 pts): The Proposal
🐟 Schooler (30 pts): Bridget Jones's Diary, How to Lose a Guy in 10 Days
🦑 Rare (60 pts): When Harry Met Sally, My Big Fat Greek Wedding
🏮 Deep Cut (85 pts): Notting Hill, 10 Things I Hate About You
🌟 One in a Krillion (100 pts): The Big Sick, Crazy Rich Asians