| Taken | Quiz | Updated | # Nom. |
|---|---|---|---|
| 1,386 | European countries with HDI higher than all neighbors | 2022-02-21 | 10 |
| 925 | Ukrainian diaspora by country | 2021-08-07 | 3 |
| 675 | Top 30 countries by GMI (militarization index) | 2024-10-04 | 1 |
| 261 | Which city in Ukraine | 2019-07-08 | 1 |
| 104 | European cities Extreme - Sudden Death | 2025-01-20 | 0 |
| 104 | European countries with HDI lower than all neighbors | 2022-02-21 | 0 |
| 58 | US states with HDI higher than all neighbors | 2022-02-20 | 0 |
| 57 | Asian cities Extreme - Sudden Death | 2025-01-20 | 0 |
| 40 | African cities Extreme - Sudden Death | 2025-01-20 | 0 |
| 37 | US states with HDI lower than all neighbors | 2022-02-21 | 0 |
| 10 | What is real? | 2025-01-23 | 0 |