| Takes | Quiz | Points | Best |
|---|---|---|---|
| 60 | Largest cities of the Baltic Sea drainage basin on a map | - | - |
| 36 | Largest cities of the Danube river basin on a map | - | - |
| 97 | Largest cities of the Rhine river basin on a map | - | - |
| 65 | Largest cities of the Saint-Lawrence river basin on a map | - | - |