Every accepted answer
1. Name a country with more than 50 million people whose flag has red on it.
Edge of Space (1000 m): DR Congo, Myanmar, Sudan, Uganda
Jet Stream (850 m): Italy, Kenya, Colombia, South Korea, Bangladesh, Ethiopia
Updraft (600 m): Türkiye, Germany, Thailand, United Kingdom, France, South Africa
Drifter (300 m): Mexico, Japan, Philippines, Egypt, Vietnam, Iran
Ballast (100 m): China, United States, Indonesia, Russia
2. Name a country whose capital is not its largest city.
Edge of Space (1000 m): Liechtenstein (Capital: Vaduz)
Jet Stream (850 m): Belize (Capital: Belmopan), Malta (Capital: Valletta), Myanmar (Capital: Naypyidaw), Cameroon (Capital: Yaoundé)
Updraft (600 m): Morocco (Capital: Rabat), Vietnam (Capital: Hanoi), Tanzania (Capital: Dodoma), Ivory Coast (Capital: Yamoussoukro), Kazakhstan (Capital: Astana), South Africa (Capitals: Pretoria, Bloemfontein, Cape Town), Bolivia (Capitals: Sucre, La Paz), Ecuador (Capital: Quito)
Drifter (300 m): Turkey, India (Capital: New Delhi), Nigeria (Capital: Abuja), New Zealand (Capital: Wellington), Pakistan (Capital: Islamabad), China (Capital: Beijing)
Decoy (150 m): Switzerland (Capital: Bern)
Ballast (100 m): Australia (Capital: Canberra), United States (Capital: Washington D.C.), Canada (Capital: Ottawa), Brazil (Capital: Brasília)
3. Name a country the Equator passes through (on land).
Edge of Space (1000 m): São Tomé and Príncipe
Jet Stream (850 m): Congo, Gabon, Somalia
Updraft (600 m): Uganda, DR Congo
Drifter (300 m): Colombia, Kenya, Indonesia
Ballast (100 m): Ecuador, Brazil
4. Name a country or territory in Asia smaller than 30,000 km² (about Belgium).
Edge of Space (1000 m): Maldives, Brunei
Jet Stream (850 m): Bahrain, Timor-Leste, Macau
Updraft (600 m): Kuwait, Armenia, Qatar, Hong Kong
Drifter (300 m): Lebanon, Palestine
Ballast (100 m): Israel, Singapore
5. Name a country that was once a Soviet republic.
Edge of Space (1000 m): Latvia, Estonia
Jet Stream (850 m): Armenia, Lithuania, Moldova
Updraft (600 m): Belarus, Turkmenistan, Kyrgyzstan, Georgia
Drifter (300 m): Kazakhstan, Tajikistan, Azerbaijan
Ballast (100 m): Russia, Ukraine, Uzbekistan
6. Name a country that borders Tanzania or Uganda (not those two).
Edge of Space (1000 m): South Sudan
Jet Stream (850 m): Rwanda, Burundi
Updraft (600 m): Malawi, Zambia
Drifter (300 m): Mozambique
Ballast (100 m): Kenya, DR Congo
7. Name a country in South-Eastern Asia with a coastline.
Edge of Space (1000 m): Timor-Leste, Brunei
Jet Stream (850 m): Cambodia, Singapore
Updraft (600 m): Myanmar, Malaysia
Drifter (300 m): Vietnam, Thailand
Ballast (100 m): Indonesia, Philippines