| Countries of Europe After World War II | 0 | - | 4.99 | 189,067 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,469 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,165 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,770 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,351 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,551 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,018 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,175 |
| Vietnam War Countries | 0 | - | 4.82 | 94,489 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,291 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,986 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,998 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,210 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,935 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,738 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,831 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,906 |
| UK Immigration by Country | 0 | - | 4.94 | 141,431 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,728 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,929 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,198 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,607 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Random European Capital to Country | 0 | - | 4.98 | 191,810 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,944 |
| Every European Country Shape | 0 | - | 4.96 | 202,565 |
| Countries of Africa | 0 | - | 5.00 | 2,552,051 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,279 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,561 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,639 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,107 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,209 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,586 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,662 |
| The Only European Country ... | 0 | - | 4.91 | 218,253 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,363 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,099 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,820 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,828 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,724 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,851 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,521 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,127 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,709 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,397 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,073 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,422 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,736 |
| Europe Capital to Country | 0 | - | 4.99 | 251,527 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,633 |
| European Capitals by Map | 0 | - | 4.99 | 141,351 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,621 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,969 |
| European Coastal Capitals | 0 | - | 4.95 | 91,074 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,250 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,313 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,147 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,344 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,298 |
| Countries of the Middle East | 0 | - | 4.96 | 202,206 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,906 |
| Slavic Countries | 0 | - | 4.96 | 112,153 |
| African Island Countries | 0 | - | 4.96 | 102,207 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,873 |
| Random European Flag to Country | 0 | - | 4.90 | 183,777 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,565 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,539 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,076 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,270 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,017 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,250 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,321 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,852 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,619 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,806 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,278 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,043 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,689 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,965 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,945 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,390 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,690 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,323 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,657 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,727 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,078 |
| Official Cities in the UK | 0 | - | 4.89 | 285,410 |
| Cities in European History #1 | 0 | - | 4.63 | 134,428 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,385 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,806 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,457 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,569 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,305 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,180 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,850 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,355 |
| Monarchies of Europe | 0 | - | 4.90 | 98,600 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,159 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,974 |
| The Only African Country ... | 0 | - | 4.99 | 129,483 |
| The Only American Country ... | 0 | - | 4.92 | 122,030 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,306 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,179 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,291 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,208 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,576 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,689 |
| European Countries with One Border | 0 | - | 4.97 | 183,461 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,213 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,594 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,610 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,393 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,631 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,840 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,686 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,433 |
| Central American Countries | 0 | - | 4.98 | 157,079 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,124 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,128 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,701 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,563 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,031 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,438 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,599 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,885 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,510 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,477 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,628 |
| Arms Exports - United States | 0 | - | 4.77 | 62,629 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,170 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,198 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,576 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,525 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,616 |
| Countries That Border Russia | 0 | - | 4.98 | 463,825 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,327 |
| Countries Bordering France | 0 | - | 4.83 | 404,283 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,271 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,789 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,462 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,313 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,606 |
| Germany Country Quiz | 0 | - | 4.83 | 158,538 |
| Russia Country Quiz | 0 | - | 4.83 | 115,114 |
| Japan Country Quiz | 0 | - | 4.93 | 143,054 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,604 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,502 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,001 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,270 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,709 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,871 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,254 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,280 |
| Most Forested European Countries | 0 | - | 4.80 | 75,550 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,614 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,536 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,601 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,687 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,501 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,833 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,198 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,999 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,143 |
| Every African Country Shape | 0 | - | 4.90 | 88,041 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,854 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,636 |
| Countries Bordering India | 0 | - | 4.98 | 163,703 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,872 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,821 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,645 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,907 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,747 |
| Countries that Border China | 0 | - | 4.96 | 263,920 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,976 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,051 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,048 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,527 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,891 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,865 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,748 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,149 |
| Countries that Border Poland | 0 | - | 4.99 | 172,911 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,240 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,219 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,700 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,407 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,523 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,061 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,895 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,742 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,116 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,266 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,373 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,945 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,887 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,856 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,072 |
