| Hint | Answer | % Correct |
|---|---|---|
| Amazon | Brazil / Peru / Colombia | 100%
|
| Nile | Ethiopia / Eritrea / Sudan / Uganda / Tanzania / Kenya / Rwanda / Burundi / Egypt / Democratic Republic of the Congo / South Sudan | 100%
|
| Danube | Germany / Austria / Slovakia / Hungary / Croatia / Serbia / Bulgaria / Romania / Moldova / Ukraine | 100%
|
| Mississippi | United States of America | 100%
|
| Mackenzie | Canada | 94%
|
| Yangtze | China | 94%
|
| Murray | Australia | 88%
|
| Yenisey | Russia / Mongolia | 88%
|
| Zambezi | Zambia / Angola / Zimbabwe / Mozambique / Malawi / Tanzania / Namibia / Botswana | 88%
|
| Shatt al-Arab | Iraq / Turkey / Syria / Iran | 82%
|
| Volta | Ghana / Burkina Faso / Togo / Côte d'Ivoire / Benin | 71%
|
| Chenab | India / Pakistan | 65%
|
| Pilcomayo | Paraguay / Argentina / Bolivia | 53%
|
| Magdalena | Colombia | 29%
|
| Syr Darya | Kazakhstan / Kyrgyzstan / Uzbekistan / Tajikistan | 29%
|
| Beni | Bolivia | 18%
|