Name a type of structure built underground (man-made)
October 3, 2026 · 176 archived answers
High-scoring answers
Scores from Krillion Answers archive for this question and date.
All answers & scores
1–100 of 176 answers
| Answer | Points | Tier |
|---|---|---|
| Denehole | 100 | One in a Krillion |
| Erdstall | 100 | One in a Krillion |
| Archive vault | 85 | Deep Cut |
| Artificial cave | 85 | Deep Cut |
| Auxiliary Units operational base | 85 | Deep Cut |
| Barabara | 85 | Deep Cut |
| Biogas digester | 85 | Deep Cut |
| Canal tunnel | 85 | Deep Cut |
| Catch basin | 85 | Deep Cut |
| Cist | 85 | Deep Cut |
| Columbarium | 85 | Deep Cut |
| Cryptoporticus | 85 | Deep Cut |
| Cycling tunnel | 85 | Deep Cut |
| Duct bank | 85 | Deep Cut |
| Earth lodge | 85 | Deep Cut |
| Flood tunnel | 85 | Deep Cut |
| Fogou | 85 | Deep Cut |
| Freight tunnel | 85 | Deep Cut |
| Geothermal well | 85 | Deep Cut |
| Ghost station | 85 | Deep Cut |
| Grease trap | 85 | Deep Cut |
| Hiding complex | 85 | Deep Cut |
| Hypocaust | 85 | Deep Cut |
| Hypogeum | 85 | Deep Cut |
| Infiltration gallery | 85 | Deep Cut |
| Inspection pit | 85 | Deep Cut |
| Leach field | 85 | Deep Cut |
| Mikveh | 85 | Deep Cut |
| Mithraeum | 85 | Deep Cut |
| Nilometer | 85 | Deep Cut |
| Ondol | 85 | Deep Cut |
| Ore pass | 85 | Deep Cut |
| Piles | 85 | Deep Cut |
| Pit latrine | 85 | Deep Cut |
| Pumped storage cavern | 85 | Deep Cut |
| Qargi | 85 | Deep Cut |
| Qarmaq | 85 | Deep Cut |
| ROC post | 85 | Deep Cut |
| Rock-cut church | 85 | Deep Cut |
| Rock-cut temple | 85 | Deep Cut |
| Rock-cut tomb | 85 | Deep Cut |
| Sardab | 85 | Deep Cut |
| Seismic vault | 85 | Deep Cut |
| Shaft tomb | 85 | Deep Cut |
| Slurry pit | 85 | Deep Cut |
| Soakaway | 85 | Deep Cut |
| Souterrain | 85 | Deep Cut |
| Stepwell | 85 | Deep Cut |
| Stope | 85 | Deep Cut |
| Storage cavern | 85 | Deep Cut |
| Stormwater tank | 85 | Deep Cut |
| Sump | 85 | Deep Cut |
| Sunken courtyard yaodong | 85 | Deep Cut |
| Sunken tandoor | 85 | Deep Cut |
| Tram tunnel | 85 | Deep Cut |
| Undercroft | 85 | Deep Cut |
| Underground aquarium | 85 | Deep Cut |
| Underground bathhouse | 85 | Deep Cut |
| Underground boiler room | 85 | Deep Cut |
| Underground bus station | 85 | Deep Cut |
| Underground cinema | 85 | Deep Cut |
| Underground dam | 85 | Deep Cut |
| Underground data centre | 85 | Deep Cut |
| Underground factory | 85 | Deep Cut |
| Underground farm | 85 | Deep Cut |
| Underground fortress | 85 | Deep Cut |
| Underground funicular | 85 | Deep Cut |
| Underground garden | 85 | Deep Cut |
| Underground granary | 85 | Deep Cut |
| Underground greenhouse | 85 | Deep Cut |
| Underground hangar | 85 | Deep Cut |
| Underground hospital | 85 | Deep Cut |
| Underground hotel | 85 | Deep Cut |
| Underground library | 85 | Deep Cut |
| Underground magazine | 85 | Deep Cut |
| Underground museum | 85 | Deep Cut |
| Underground nightclub | 85 | Deep Cut |
| Underground office | 85 | Deep Cut |
| Underground postal railway | 85 | Deep Cut |
| Underground power station | 85 | Deep Cut |
| Underground public toilet | 85 | Deep Cut |
| Underground pumping station | 85 | Deep Cut |
| Underground quarry | 85 | Deep Cut |
| Underground railway depot | 85 | Deep Cut |
| Underground reservoir | 85 | Deep Cut |
| Underground restaurant | 85 | Deep Cut |
| Underground sauna | 85 | Deep Cut |
| Underground school | 85 | Deep Cut |
| Underground sewage treatment plant | 85 | Deep Cut |
| Underground shooting range | 85 | Deep Cut |
| Underground sports hall | 85 | Deep Cut |
| Underground storage tank | 85 | Deep Cut |
| Underground street | 85 | Deep Cut |
| Underground submarine base | 85 | Deep Cut |
| Underground substation | 85 | Deep Cut |
| Underground telephone exchange | 85 | Deep Cut |
| Underground theatre | 85 | Deep Cut |
| Underground warehouse | 85 | Deep Cut |
| Underground water tank | 85 | Deep Cut |
| Underground water treatment plant | 85 | Deep Cut |
How these answers are scored
Each answer has a score for this specific question. One in a Krillion earns 100 points; Deep Cut earns 85. The ratings are curated, rather than calculated from how many people choose an answer today.
Answers and scores: Krillion Answers archive for October 3, 2026. Other spellings may be treated differently in the live game.