Name a type of structure built underground (man-made)
October 3, 2026 · 176 archived answers
All answers & scores
101–176 of 176 answers
| Answer | Points | Tier |
|---|---|---|
| Underground wind tunnel | 85 | Deep Cut |
| Utility vault | 85 | Deep Cut |
| Wheelhouse | 85 | Deep Cut |
| Wildlife tunnel | 85 | Deep Cut |
| Winze | 85 | Deep Cut |
| Aqueduct | 60 | Rare |
| Borehole | 60 | Rare |
| Burial vault | 60 | Rare |
| Cave house | 60 | Rare |
| Cellar dwelling | 60 | Rare |
| Cesspit | 60 | Rare |
| Cistern | 60 | Rare |
| Crawl space | 60 | Rare |
| Culvert | 60 | Rare |
| Dugout | 60 | Rare |
| Earth oven | 60 | Rare |
| Earth-sheltered house | 60 | Rare |
| Elevator shaft | 60 | Rare |
| Escape tunnel | 60 | Rare |
| Foundation | 60 | Rare |
| Foxhole | 60 | Rare |
| French drain | 60 | Rare |
| Icehouse | 60 | Rare |
| In-ground pool | 60 | Rare |
| Kiva | 60 | Rare |
| Manhole | 60 | Rare |
| Military tunnel | 60 | Rare |
| Mine tunnel | 60 | Rare |
| Nuclear waste repository | 60 | Rare |
| Oil well | 60 | Rare |
| Ossuary | 60 | Rare |
| Particle accelerator | 60 | Rare |
| Pedestrian tunnel | 60 | Rare |
| Pipeline | 60 | Rare |
| Pit house | 60 | Rare |
| Qanat | 60 | Rare |
| Road tunnel | 60 | Rare |
| Secret tunnel | 60 | Rare |
| Seed vault | 60 | Rare |
| Septic tank | 60 | Rare |
| Smuggling tunnel | 60 | Rare |
| Storm drain | 60 | Rare |
| Sub-basement | 60 | Rare |
| Trapping pit | 60 | Rare |
| Trench | 60 | Rare |
| Tunnel network | 60 | Rare |
| Underground base | 60 | Rare |
| Underground city | 60 | Rare |
| Underground laboratory | 60 | Rare |
| Underground mall | 60 | Rare |
| Underpass | 60 | Rare |
| Underwater tunnel | 60 | Rare |
| Utility tunnel | 60 | Rare |
| Vault | 60 | Rare |
| Ventilation shaft | 60 | Rare |
| Bomb shelter | 30 | Schooler |
| Catacombs | 30 | Schooler |
| Cellar | 30 | Schooler |
| Crypt | 30 | Schooler |
| Dungeon | 30 | Schooler |
| Fallout shelter | 30 | Schooler |
| Missile silo | 30 | Schooler |
| Railway tunnel | 30 | Schooler |
| Root cellar | 30 | Schooler |
| Storm cellar | 30 | Schooler |
| Subway station | 30 | Schooler |
| Tomb | 30 | Schooler |
| Underground garage | 30 | Schooler |
| Well | 30 | Schooler |
| Wine cellar | 30 | Schooler |
| Basement | 10 | Plankton |
| Bunker | 10 | Plankton |
| Mine | 10 | Plankton |
| Sewer | 10 | Plankton |
| Subway | 10 | Plankton |
| Tunnel | 10 | Plankton |
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.