| 1,175 | Guess the City by the Selfie | 2024-08-16 | 8 |
| 854 | International Vehicle Registration Codes | 2024-04-02 | 2 |
| 805 | Flags by Description | 2025-06-18 | 17 |
| 167 | Real Capital Cities - Sudden Death | 2024-11-12 | 0 |
| 114 | Europe True or False | 2024-03-29 | 1 |
| 109 | Find the Imposter in Europe | 2024-03-18 | 0 |
| 108 | Most Bicycle-Friendly Countries | 2024-01-08 | 2 |
| 108 | European Countries by License Plate | 2024-05-29 | 0 |
| 108 | California Gurls - Lyrics | 2023-07-05 | 0 |
| 105 | Countries With the Most Flight Destinations | 2025-03-14 | 1 |
| 96 | Four Letter Words in Countries | 2024-04-22 | 0 |
| 73 | Multi-Word Countries | 2024-04-28 | 0 |
| 73 | Word Scramble - Countries and Their Capitals | 2024-03-21 | 0 |
| 63 | Name the Valid Country #1 | 2024-04-09 | 0 |
| 58 | Guess the City by the Selfie #2 | 2024-08-31 | 0 |
| 57 | Name the Valid Country #3 | 2024-04-14 | 0 |
| 52 | Countries With the Least Flight Destinations | 2025-03-14 | 1 |
| 52 | Name a Capital A-Z | 2025-01-21 | 0 |
| 52 | Country and Capital With the Same Letter | 2024-04-20 | 0 |
| 50 | Countries that produce the most wind energry | 2024-01-03 | 0 |
| 49 | European Countries by Their Phone Code | 2024-01-21 | 0 |
| 46 | Countries Most Passionate About Gaming #1 | 2024-01-05 | 0 |
| 42 | Five Most Populated Capitals by Continent | 2025-01-16 | 2 |
| 41 | Name the Valid Country #2 | 2024-04-17 | 0 |
| 33 | Countries Most Passionate About Gaming #2 | 2024-01-05 | 0 |
| 31 | Countries With the Least Public Holidays | 2024-01-04 | 0 |
| 30 | Countries that Beat Belgium | 2024-10-12 | 0 |
| 28 | Coat of Arms on Flags - Sudden Death | 2025-05-31 | 0 |
| 26 | Countries With the Most Public Holidays | 2024-01-05 | 0 |
| 26 | Countries With the Most Plastic Waste Emitted to the Ocean | 2024-01-22 | 0 |
| 23 | Capital City by Length | 2024-11-10 | 1 |
| 21 | Closest Capital to Capital - Europe #1 | 2024-03-02 | 0 |
| 19 | Closest Capital to Capital - Europe #2 | 2024-03-02 | 0 |
| 13 | Closest Capital to Capital - Europe #3 | 2024-03-02 | 0 |
| 8 | Closest Capital to Capital - South America #1 | 2024-03-03 | 0 |
| 8 | Closest Capital to Capital - Asia #1 | 2024-06-11 | 0 |
| 7 | Closest Capital to Capital - Africa #1 | 2024-03-03 | 0 |
| 7 | Closest Capital to Capital - Asia #2 | 2024-03-02 | 0 |
| 6 | Closest Capital to Capital - South America #2 | 2024-03-03 | 0 |
| 5 | Closest Capital To Capital - Africa #2 | 2024-08-31 | 0 |
