Searching for The Endless Dive Quiz or Endless Dive Quiz game? Every expedition challenges you with 7 randomized finite-set prompts under a 25-second oxygen clock. Below you can test your instincts in our interactive Quiz Rarity Evaluator and inspect the complete 52-category reference syllabus.
Pick a prompt below and type your answer to see whether it lands in the Plankton Sunlight Zone (+150m) or the Krillion Hadal Trench (+1,000m).
Name an element in Group 18 of the periodic table, including oganesson. Names or symbols count.
Awaiting your test submission…
Type an answer on the left and press Evaluate Depth to see how deep your guess sinks and which answer unlocks +1,000m.
Every prompt in The Endless Dive Quiz draws from a closed, finite reference list verified against IUPAC, BIPM, NASA, NOAA, UN, and Folger Shakespeare standards. Study the surface traps versus the +1,000m Hadal picks below:
| Quiz Category | Set Size | Plankton Trap (+100m–250m) | Krillion Hadal Pick (+1,000m) | Input Rule |
|---|---|---|---|---|
| Group 1 Alkali Metals | 6 valid | Lithium, Sodium | Francium (Fr), Caesium (Cs) | Symbols allowed |
| Group 2 Alkaline Earth Metals | 6 valid | Calcium, Magnesium | Radium (Ra), Strontium (Sr) | Symbols allowed |
| Group 17 Halogens | 6 valid | Chlorine, Fluorine | Tennessine (Ts), Astatine (At) | Symbols allowed |
| Group 18 Noble Gases | 7 valid | Helium (He), Neon | Oganesson (Og), Radon (Rn) | Symbols allowed |
| Period 2 Elements (Z=3–10) | 8 valid | Carbon, Oxygen | Beryllium (Be), Boron (B) | Symbols allowed |
| Period 3 Elements (Z=11–18) | 8 valid | Sodium, Aluminium | Argon (Ar), Phosphorus (P) | Symbols allowed |
| One-Letter Chemical Symbols | 14 valid | Oxygen (O), Hydrogen (H) | Yttrium (Y), Vanadium (V), Tungsten (W) | Symbols allowed |
| Eight Precious & Platinum Metals | 8 valid | Gold (Au), Silver (Ag) | Ruthenium (Ru), Osmium (Os), Iridium (Ir) | Symbols allowed |
| Quiz Category | Set Size | Plankton Trap (+100m–250m) | Krillion Hadal Pick (+1,000m) | Input Rule |
|---|---|---|---|---|
| 50 U.S. States | 50 valid | California, Texas, New York | Wyoming (WY), South Dakota (SD), North Dakota (ND) | Postal codes allowed |
| 50 U.S. State Capitals | 50 valid | Austin, Boston, Denver | Montpelier, Pierre, Cheyenne, Olympia | Full city name |
| Canadian Provinces & Territories | 13 valid | Ontario, Quebec, BC | Nunavut (NU), Northwest Territories (NT), PEI | Postal codes allowed |
| Canadian Capital Cities | 13 valid | Toronto, Victoria, Edmonton | Iqaluit, Whitehorse, Yellowknife, Charlottetown | Full city name |
| 27 European Union Member States | 27 valid | France, Germany, Italy | Malta, Luxembourg, Cyprus, Estonia | English country name |
| 32 NATO Member Countries | 32 valid | United States, UK, France | North Macedonia, Montenegro, Albania, Luxembourg | English country name |
| 10 Deepest Oceanic Trenches | 10 valid | Mariana Trench, Tonga Trench | Peru-Chile (Atacama), Izu-Ogasawara, Kuril-Kamchatka | Trench name |
| 5 North American Great Lakes | 5 valid | Lake Superior, Lake Michigan | Lake Ontario, Lake Erie | Lake name |
| Quiz Category | Set Size | Plankton Trap (+100m–250m) | Krillion Hadal Pick (+1,000m) | Input Rule |
|---|---|---|---|---|
| 24 SI Decimal Prefixes (incl. 2022) | 24 valid | Kilo, Milli, Mega, Giga | Quecto, Quetta, Ronto, Ronna, Yocto | Prefix word only |
| 7 SI Base Units | 7 valid | Metre, Second, Kilogram | Candela, Mole, Kelvin | Unit word only |
| 7 SI Base Quantities | 7 valid | Length, Mass, Time | Luminous intensity, Amount of substance | Full quantity name |
| 8 Solar System Planets | 8 valid | Earth, Mars, Jupiter | Uranus, Neptune, Mercury | Planet name |
| 8 Standard Moon Phases | 8 valid | Full Moon, New Moon | Waning Gibbous, Waxing Gibbous, Waning Crescent | Phase name |
| 5 Layers of Earth's Atmosphere | 5 valid | Troposphere, Stratosphere | Exosphere, Thermosphere | Layer name |
| Quiz Category | Set Size | Plankton Trap (+100m–250m) | Krillion Hadal Pick (+1,000m) | Input Rule |
|---|---|---|---|---|
| 10 Shakespeare First Folio Tragedies | 10 valid | Hamlet, Romeo and Juliet | Timon of Athens, Coriolanus, Titus Andronicus (King Lear = Rare) | Play title |
| 7 Wonders of the Ancient World | 7 valid | Great Pyramid of Giza, Hanging Gardens | Mausoleum at Halicarnassus, Temple of Artemis | Monument name |
| 26 NATO Phonetic Alphabet Words | 26 valid | Alfa, Bravo, Charlie | Zulu, Yankee, X-ray, Whiskey, Victor | Code word only |
| 24 Modern Greek Alphabet Letters | 24 valid | Alpha, Beta, Gamma, Delta | Psi, Chi, Phi, Upsilon, Xi | English letter name |
| 6 UN Official Languages | 6 valid | English, French, Spanish | Arabic, Russian, Mandarin Chinese | Language name |
| 24 EU Official Languages | 24 valid | English, French, German | Maltese, Irish (Gaeilge), Estonian, Latvian | Language name |
| 6 Nobel Prize Fields | 6 valid | Peace, Physics, Chemistry | Economic Sciences, Physiology or Medicine | Field name |
| 8 Men's FIFA World Cup Winners | 8 valid | Brazil, Argentina, Germany | Uruguay, Spain, England | Country name |
All periodic table categories explicitly state "Element names or symbols count." Typing Og (Oganesson), Ts (Tennessine), Fr (Francium), or Y (Yttrium) saves precious seconds on the 25s clock and awards the full +1,000m Hadal score.
In SI Base Units, SI Decimal Prefixes, and Standard Chess Pieces, short notation letters (cd, q, N) are rejected. You must write the full English word (Candela, Quecto, Knight).
If you slightly misspell a long Hadal answer like Liechtenstein or Kuril-Kamchatka, the HUD displays a yellow correction preview. Press Enter a second time before the 25-second timer hits zero to confirm and lock in your dive!
