| Rivers | Lakes and Lagoons | Seas, Bays or Gulfs | Countries | % Correct |
|---|---|---|---|---|
| Mackenzie | Great Bear Lake | Hudson Bay | Canada | 100%
|
| Yangtze | Lake Qinghai | Yellow Sea | China | 100%
|
| Nile | Lake Nasser | Red Sea | Egypt | Sudan | 100%
|
| Po | Lake Como | Adriatic Sea | Italy | 100%
|
| Volga | Lake Baikal | Bering Sea | Russia | 100%
|
| Paraná | Nahuel Huapi Lake | Río de la Plata | Argentina | 95%
|
| Mekong | Tonle Sap | Gulf of Thailand | Cambodia | 95%
|
| Rhine | Lake Geneva | Bay of Biscay | France | 95%
|
| Ganges | Vembanad Lake | Laccadive Sea | India | 95%
|
| Rio Grande | Lake Erie | Chesapeake Bay | United States | 95%
|
| Danube | Lake Balaton | Hungary | 90%
| |
| Amazon | Lake Maracaibo | Venezuela | 90%
| |
| Murray | Lake Eyre | Gulf of Carpentaria | Australia | 86%
|
| Pärnu | Lake Peipus | Gulf of Finland | Estonia | 86%
|
| Torne | Vättern | Bay of Bothnia | Sweden | 86%
|
| Euphrates | Lake Van | Sea of Marmara | Turkey | 86%
|
| Dnieper | Syvash | Sea of Azov | Ukraine | 86%
|
| Karun | Lake Urmia | Arabian Gulf | Iran | 81%
|
| Meuse | IJsselmeer | North Sea | Netherlands | 81%
|
| Ebro | Mar Menor | Balearic Sea | Spain | 81%
|
| Amu Darya | Caspian Sea | Turkmenistan | 81%
| |
| Sumida | Lake Biwa | Sea of Okhotsk | Japan | 76%
|
| Waitaki | Lake Taupo | Bay of Plenty | New Zealand | 71%
|
| Tana | Lake Turkana | Ungwana Bay | Kenya | 57%
|
| Kaduna | Kainji Reservoir | Bight of Biafra | Nigeria | 52%
|