| Letter | Answer | % Correct |
|---|---|---|
| S | Sakhalin | Salsette | Samar | Santa Inés Island | Santa Isabel Island | São Luís | São Vicente | Sardinia | Seram Island | Severny Island | Shikoku | Siberut | Sicily | Singapore Island | Siple Island | Socotra | Södertörn | Somerset Island | South Georgia | South Island | Southampton Island | Spaatz Island | Spitsbergen | Sri Lanka | St. Lawrence Island | Staten Island | Stefansson Island | Sulawesi | Sumatra | Sumba | Sumbawa | 96%
|
| H | Hainan | Haizhu | Halmahera | Hawaiʻi | Hispaniola | Hokkaidō | Hong Kong Island | Honshū | Hoste Island | 94%
|
| C | Cape Breton Island | Carney Island | Cebu | Chichagof Island | Chiloé Island | Chongming | Coats Island | Cornwallis Island | Corsica | Crete | Cuba | Cyprus | 93%
|
| M | Mackenzie King Island | Madagascar | Madura Island | Malaita | Mallorca | Manhattan Island | Marajó | Masbate | Mauritius | Melville Island | Milne Land | Mindanao | Mindoro | Island of Montreal | 93%
|
| G | Graham Island | Gran Canaria | Grande Terre | Great Britain | Greenland | Guadalcanal | Gurupá | 92%
|
| I | Iceland | Ireland | Isabela Island | Isla Grande de Tierra del Fuego | 92%
|
| J | Jamaica | Java | Jeju | Jolo | 92%
|
| B | Baffin Island | Bahrain | Bali | Bananal Island | Bangka | Banks Island | Baranof Island | Batam | Bathurst Island | Belitung | Bến Tre | Berkner Island | Bhola Island | Bohol | Bolshevik Island | Bolshoy Lyakhovsky Island | Borneo | Bougainville | Buru | Buton | Bylot Island | 91%
|
| T | Taiwan | Tasmania | Tenerife | Thurston Island | Timor | Trinidad | Tupinambarana | 90%
|
| N | Nantai | Negros | New Britain | New Guinea | New Ireland | New Siberia | Newfoundland | Nias | Nordaustlandet | North Island | North Jutlandic Island | Nunivak Island | 83%
|
| L | Leyte | Lombok | Long Island | Luzon | 76%
|
| Z | Zanzibar | Zealand | Zeraf | Zhongshan Island | Zhoushan | 71%
|
| P | Palawan | Panay | Penang Island | Phuket | Prince Charles Island | Prince Edward Island | Prince of Wales Island | Prince Patrick Island | Puerto Rico | 63%
|
| O | Oahu | October Revolution Island | Okinawa Island | 62%
|
| V | Vancouver Island | Vanua Levu | Victoria Island | Viti Levu | 62%
|
| K | Kangaroo Island | King William Island | Kodiak Island | Kolguyev Island | Komsomolets Island | Kotelny Island | Kyūshū | 53%
|
| E | East Falkland | Edgeøya | Ellef Ringnes Island | Ellesmere Island | Espiritu Santo | Euboea | 50%
|
| X | Xiamen Island | 24%
|
| R | Réunion | Riesco Island | Roosevelt Island | 23%
|
| W | Wellington Island | West Falkland | Wetar | Wrangel Island | 23%
|
| F | Flores | 22%
|
| A | Adelaide Island | Admiralty Island | Alexander Island | Amund Ringnes Island | Anticosti Island | Arga Muora Sise | Axel Heiberg Island | 14%
|
| D | Devon Island | Disko Island | 13%
|
| Y | Yos Sudarso Island | Yuzhny Island | 9%
|
| U | Unguja | Unimak Island | 4%
|