チャレンジを作成

あなたのスキルを友人、同僚、または他の人と比較してください。

リーダーボードを使ってチャレンジを作成しましょう。

含まれる質問

Abkhazia

Afghanistan (-2021)

Afghanistan (Taliban)

Alaska

Albania

Alderney

Algeria

American Samoa

Andorra

Angola

Anguilla

Antarctica

Antigua and Barbuda

Argentina

Armenia

Artsakh (Nagorno-Karabakh)

Aruba

Ascension Island

Australia

Austria

Azerbaijan

Azores

Bahrain

Bali

Bangladesh

Barbados

Barotseland

Basque Country

Belarus

Belgium

Belize

Benin

Bermuda

Bhutan

Bolivia

Bonaire

Bosnia and Herzegovina

Botswana

Bougainville

Brazil

British Antarctic Territory

British Indian Ocean Territory

British Virgin Islands

Brunei

Bulgaria

Burkina Faso

Burundi

Cambodia

Cameroon

Canada

Canary Islands

Cape Verde

Catalonia

Cayman Islands

Central African Republic

Ceuta

Chad

Chechnya

Chile

China

Christmas Island

Cocos Islands

Colombia

Comoros

Cook Islands

Corsica

Costa Rica

Crimea

Croatia

Cuba

Curaçao

Cyprus

Czech Republic (Czechia)

Darfur

Democratic Republic of the Congo

Denmark

District of Columbia

Djibouti

Dominica

Dominican Republic

East Timor

Easter Island

Ecuador

Egypt

El Hierro

El Salvador

England

Equatorial Guinea

Eritrea

Estonia

Eswatini

Ethiopia

Falkland Islands

Faroe Islands

Fiji

Finland

Flemish Region

Formentera

France

French Guiana

French Polynesia

French Southern and Antarctic Lands

Fuerteventura

Gabon

Galápagos

Georgia

Germany

Ghana

Gibraltar

Gran Canaria

Greece

Greenland

Grenada

Guadeloupe

Guam

Guatemala

Guernsey

Guinea

Guinea-Bissau

Guyana

Haiti

Hawaii

Herm

Honduras

Hong Kong

Hungary

Ibiza

Iceland

India

Indonesia

Iran

Iraq

Ireland

Isle of Man

Israel

Italy

Ivory Coast

Jamaica

Japan

Jarvis Island

Jersey

Johnston Atoll

Jordan

Juan Fernández Islands

Kaliningrad

Kazakhstan

Kenya

Kingman Reef

Kiribati

Kosovo

Kurdistan

Kuwait

Kyrgyzstan

La Gomera

La Palma

Lanzarote

Laos

Latvia

Lebanon

Lesotho

Liberia

Libya

Liechtenstein

Lithuania

Lord Howe Island

Luxembourg

Macau

Madagascar

Madeira

Malawi

Malaysia

Maldives

Mali

Mallorca

Malta

Marshall Islands

Martinique

Mauritania

Mauritius

Mayotte

Melilla

Menorca

Mexico

Midway Atoll

Moldova

Monaco

Mongolia

Montenegro

Montserrat

Morocco

Mozambique

Myanmar

Namibia

Nauru

Navassa Island

Nepal

Netherlands

New Caledonia

New Zealand

Nicaragua

Niger

Nigeria

Niue

Norfolk Island

North Korea

North Macedonia

Northern Cyprus

Northern Ireland

Northern Mariana Islands

Norway

Oman

Orkney

Pakistan

Palau

Palestine

Palmyra Atoll

Panama

Papua New Guinea

Paraguay

Peru

Philippines

Pitcairn Islands

Poland

Portugal

Prince Edward Island

Puerto Rico

Qatar

Quebec

Republic of the Congo

Romania

Russia

Rwanda

Réunion

Saba

Saint Barthélemy

Saint Helena

Saint Kitts and Nevis

Saint Lucia

Saint Pierre and Miquelon

Saint Vincent and the Grenadines

Samoa

San Marino

Sardinia

Sark

Saudi Arabia

Scania

Scotland

Senegal

Serbia

Seychelles

Shetland

Sicily

Sierra Leone

Singapore

Sint Eustatius

Sint Maarten

Slovakia

Slovenia

Solomon Islands

Somalia

Somaliland

South Africa

South Georgia and the South Sandwich Islands

South Korea

South Ossetia

South Sudan

Spain

Sri Lanka

Sudan

Suriname

Sweden

Switzerland

Syria

Sápmi

São Tomé and Príncipe

Taiwan

Tajikistan

Tanzania

Tasmania

Tenerife

Thailand

The Bahamas

The Gambia

Tibet

Togo

Tokelau

Tonga

Transnistria

Trinidad and Tobago

Tristan da Cunha

Tunisia

Turkmenistan

Turks and Caicos Islands

Tuvalu

Türkiye

US Virgin Islands

Uganda

Ukraine

United Arab Emirates

United Kingdom

United States

Uruguay

Uzbekistan

Vanuatu

Vatican City

Venezuela

Vietnam

Wake Island

Wales

Wallis and Futuna

Wallonia

West Papua

Western Sahara

Yemen

Zambia

Zimbabwe

the Federated States of Micronesia

Åland Islands

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