Expedition #37

2026-11-10 · five prompts, fully revealed. Prefer no spoilers? Use the hints pages instead.

Prompt 1 of 5

Pin a country that has had multi-stop city waterbuses

Ruling note: City and city-region routes count, including former ferries with intermediate stops. Charters and sightseeing-only cruises do not.

Gem note: Timișoara puts waterbuses on the Bega Canal alongside its trams and buses.

52 accepted answers
CountryTierPick share
Italy Common
Thailand Uncommon
Türkiye Uncommon
Australia Uncommon
United Kingdom Rare
Netherlands Rare
United States Rare
France Rare
Japan Rare
Canada Rare
China Rare
India Rare
Germany Rare
Denmark Rare
Sweden Rare
United Arab Emirates Rare
Russia Rare
Singapore Rare
Switzerland Rare
Spain Rare
Belgium Rare
Poland Elusive
Vietnam Elusive
Bangladesh Elusive
Philippines Elusive
Argentina Elusive
Brazil Elusive
Norway Elusive
South Korea Elusive
New Zealand Elusive
Egypt Elusive
Greece Elusive
Indonesia Elusive
Malta Elusive
Malaysia Elusive
Finland Elusive
Nigeria Elusive
Portugal Elusive
Chile Elusive
Czechia Elusive
Croatia Elusive
Hungary Elusive
Ukraine Elusive
South Africa Elusive
Bahrain Elusive
Cambodia Elusive
Myanmar Elusive
Sri Lanka Elusive
Montenegro Elusive
Ivory Coast Farflung
Lithuania Farflung
Romania Farflung
Prompt 2 of 5

Pin a country that has had a stadium with a retractable roof over the playing area

Ruling note: Past and present stadiums count, including tennis stadiums and bullrings. The moving roof covers the playing area, not just the stands.

Gem note: A small Challenger tennis venue in Prostějov has its own retractable roof.

27 accepted answers
CountryTierPick share
United States Common
United Kingdom Uncommon
Australia Uncommon
Canada Uncommon
Germany Rare
Japan Rare
Spain Rare
France Rare
Netherlands Rare
Brazil Rare
China Rare
Russia Rare
Qatar Rare
Argentina Elusive
Indonesia Elusive
Poland Elusive
Sweden Elusive
Singapore Elusive
Denmark Elusive
Saudi Arabia Elusive
Türkiye Elusive
Portugal Elusive
Romania Elusive
Kazakhstan Elusive
Colombia Farflung
Slovakia Farflung
Czechia Farflung
Prompt 3 of 5

Pin a country where scientists have cloned a mammal

Ruling note: A clone counts where it was made, not where its donor came from. Dolly was the first clone from an adult cell, not the first cloned mammal.

Gem note: A research institute outside Nairobi cloned a Boran bull in 2016, a first step towards cattle that resist a disease spread by tsetse flies.

34 accepted answers
CountryTierPick share
United Kingdom Common
United States Uncommon
China Uncommon
South Korea Uncommon
Japan Rare
France Rare
Italy Rare
United Arab Emirates Rare
Australia Rare
Spain Rare
India Rare
Argentina Rare
Brazil Rare
Canada Rare
Germany Rare
Russia Rare
New Zealand Elusive
Iran Elusive
Denmark Elusive
Türkiye Elusive
South Africa Elusive
Mexico Elusive
Thailand Elusive
Chile Elusive
Peru Elusive
Colombia Elusive
Netherlands Elusive
Taiwan Elusive
Belgium Elusive
Vietnam Elusive
Hungary Farflung
Estonia Farflung
Poland Farflung
Kenya Farflung
Prompt 4 of 5

Pin a country that has made snake antivenom for treating patients

Ruling note: Past and present production counts, including Croatia and Ecuador. Collecting venom or importing the finished medicine alone does not.

Gem note: A Soviet-era institute in Tashkent made antidotes to cobra and viper venoms.

45 accepted answers
CountryTierPick share
Australia Common
India Uncommon
Brazil Uncommon
United States Uncommon
Mexico Rare
South Africa Rare
Thailand Rare
China Rare
France Rare
United Kingdom Rare
Russia Rare
Costa Rica Rare
Japan Rare
Argentina Rare
Indonesia Rare
Iran Rare
Pakistan Rare
Colombia Rare
Israel Rare
South Korea Elusive
Saudi Arabia Elusive
Taiwan Elusive
Philippines Elusive
Vietnam Elusive
Egypt Elusive
Myanmar Elusive
Peru Elusive
Türkiye Elusive
Germany Elusive
Spain Elusive
Italy Elusive
Morocco Elusive
Bangladesh Elusive
Bolivia Elusive
Algeria Elusive
Ecuador Elusive
Croatia Elusive
Bulgaria Elusive
Poland Elusive
Serbia Elusive
Venezuela Elusive
Syria Elusive
Tunisia Farflung
Uruguay Farflung
Uzbekistan Farflung
Prompt 5 of 5

Pin a country whose official language uses an alphabet or script that no other country uses for a national official language

Ruling note: National official languages only. Greek, Hangul, Ge’ez and Tifinagh are shared; Tibetan and Bengali are regional in China and India. Mongolia’s traditional script has been co-official since 2025.

Gem note: Developed from the fifteenth century, the Maldives’ Thaana script derived its first nine letters directly from Arabic numerals.

13 accepted answers
CountryTierPick share
Japan Common
Thailand Uncommon
Israel Uncommon
Georgia Rare
Armenia Rare
Cambodia Rare
Myanmar Rare
Bangladesh Rare
Sri Lanka Elusive
Laos Elusive
Bhutan Elusive
Mongolia Elusive
Maldives Farflung