Glossary · The game
Rarity percentile
An estimate of how your score compares with simulated rounds, shown at the end of a round. It is a model, not a statistic of real players.
In Icillion
It is part of how Icillion works: every answer you give moves the submarine, and this is one of the things you pass or score on the way down. How to play
Related terms
How deep does your knowledge go?
Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.
▼ Start today’s iceberg ▼