| Hint | Answer | % Correct |
|---|---|---|
| Congo | Congo | 98%
|
| Congo | DR Congo | 98%
|
| Danube | Germany | 98%
|
| Rhine | Germany | 98%
|
| Danube | Austria | 97%
|
| Rhine | Austria | 97%
|
| Danube | Hungary | 97%
|
| Amur | China | 95%
|
| Mekong | China | 95%
|
| Mekong | Laos | 95%
|
| Mekong | Myanmar | 95%
|
| Rhine | France | 93%
|
| Ganges | India | 93%
|
| Danube | Serbia | 93%
|
| Ganges | Bangladesh | 92%
|
| Mekong | Cambodia | 92%
|
| Niger | Niger | 92%
|
| Danube | Romania | 92%
|
| Rhine | Switzerland | 92%
|
| Zambezi | Zambia | 92%
|
| Mekong | Thailand | 90%
|
| Congo | Angola | 88%
|
| Zambezi | Botswana | 88%
|
| Niger | Nigeria | 88%
|
| Amur | Russia | 88%
|
| Zambezi | Zimbabwe | 88%
|
| Danube | Bulgaria | 86%
|
| Rhine | Netherlands | 86%
|
| Orange | South Africa | 86%
|
| Danube | Ukraine | 86%
|
| Danube | Slovakia | 85%
|
| Orange | Namibia | 83%
|
| Zambezi | Namibia | 83%
|
| Danube | Croatia | 80%
|
| Danube | Moldova | 80%
|
| Orange | Lesotho | 78%
|
| Rhine | Liechtenstein | 78%
|
| Niger | Mali | 76%
|
| Niger | Benin | 63%
|
| Niger | Guinea | 58%
|