| 2,059 | 50 Largest Cities (according to different sources) Map Quiz | - | - |
| 1,126 | Best Cities in the World | - | - |
| 1,247 | Cities by Satellite Images | - | - |
| 164 | Cities from Literal Meaning | - | - |
| 164 | Cities Furthest Away from Their Capitals | - | - |
| 57 | Cities in Microsoft Time Zones | - | - |
| 156 | Cities of the Same Name | - | - |
| 1,960 | Cities that are named "City" | - | - |
| 123 | Cities where the Nearest City is on Another Country | - | - |
| 158 | Cities with Population Decrease | - | - |
| 95 | Cities with the Coolest Neighbourhood | - | - |
| 81 | City Rivalries between 2 Largest Cities of Subdivision | - | - |
| 310 | City Rivalries between the 2 Largest Cities of the Country | - | - |
| 73 | Closest Country to Random City | - | - |
| 132 | Island Cities | - | - |
| 150 | Large Cities with Fastest & Slowest Growth Rate | - | - |
| 120 | Largest Border Cities | - | - |
| 146 | Largest Cities by Languages | - | - |
| 110 | Largest Cities in Native Script | - | - |
| 116 | Largest City by Island | - | - |
| 445 | Largest Non-Capital Cities | - | - |
| 109 | Largest Non-Capital Cities (Country or Subdivision) | - | - |
| 92 | Largest Non-Capital Cities Where The Closest Capital Is Not Its Own | - | - |
| 2,221 | Most Isolated Cities with Over 1M Population | - | - |
| 107 | Most Livable Cities 2018 Map Quiz | - | - |
| 116 | Nearest Cities with over 5 Million Population | - | - |
| 111 | Nearest City Pairs | - | - |
| 57 | Nearest City Pairs in Different Countries | - | - |
| 136 | New 5M Cities in 2030 Map Quiz | - | - |
| 132 | New Megacities in 2030 | - | - |
| 389 | One Syllable Cities | - | - |
| 128 | Overtaking Cities in terms of Population | - | - |
| 102 | Shrinking Cities | - | - |
| 31 | Sinking Cities | - | - |
| 133 | Smartest Cities in the World | - | - |
| 100 | The Next Nearest 5 Million+ Cities Chain Game | - | - |
| 43 | The Next Nearest 5 Million+ Cities Chain Game #2 | - | - |
| 2,314 | Top 10 Urban Areas by Language | - | - |
| 158 | Top 20 Healthiest Cities to Live In | - | - |
| 111 | Urban Agglomerations | - | - |
| 139 | Wealthiest African Cities | - | - |
| 94 | Where is Santiago? | - | - |
| 1,196 | World Largest Inland Cities | - | - |
| 1,124 | World Largest Urban Areas by Population in 2022 | - | - |
