| Neutral European Countries of WWII | 0 | - | 4.91 | 161,370 |
| Vietnam War Countries | 0 | - | 4.82 | 94,150 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,212 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,227 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,417 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,130 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,584 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,612 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,204 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,176 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,699 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,742 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,387 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,622 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,145 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,953 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,873 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,139 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,540 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,711 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,983 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,364 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,682 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,509 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,642 |
| Countries of Africa | 0 | - | 5.00 | 2,533,701 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,291 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,793 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,740 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,070 |
| The Only European Country ... | 0 | - | 4.91 | 216,337 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,023 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,964 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,294 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,517 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,679 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,210 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,500 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,499 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,181 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,141 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,642 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,214 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,493 |
| Asia Capital to Country | 0 | - | 4.96 | 126,566 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,213 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,543 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,372 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,451 |
| Countries of the Middle East | 0 | - | 4.96 | 200,974 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,163 |
| Slavic Countries | 0 | - | 4.96 | 111,577 |
| African Island Countries | 0 | - | 4.96 | 101,530 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,981 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,768 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,408 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,360 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,837 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,561 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,641 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,569 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,163 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,105 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,507 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,142 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,071 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,918 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,194 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,268 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,411 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,686 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,764 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,690 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,174 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,658 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,242 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,822 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,811 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,183 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,034 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,017 |
| Monarchies of Europe | 0 | - | 4.90 | 98,051 |
| Monarchies of Asia | 0 | - | 4.97 | 71,039 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,826 |
| The Only African Country ... | 0 | - | 4.99 | 129,035 |
| The Only American Country ... | 0 | - | 4.92 | 121,507 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,101 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,729 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,756 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,397 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,890 |
| European Countries with One Border | 0 | - | 4.97 | 182,659 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,460 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,107 |
| UK Immigration by Country | 0 | - | 4.94 | 140,791 |
| Central American Countries | 0 | - | 4.98 | 156,339 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,479 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,626 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,229 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,506 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,087 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,399 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,192 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,013 |
| Arms Exports - United States | 0 | - | 4.75 | 62,349 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,784 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,033 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,905 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,924 |
| Countries That Border Russia | 0 | - | 4.98 | 461,457 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,978 |
| Countries Bordering France | 0 | - | 4.83 | 402,262 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,098 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,541 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,030 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,874 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,334 |
| Germany Country Quiz | 0 | - | 4.82 | 157,737 |
| Russia Country Quiz | 0 | - | 4.85 | 114,385 |
| Italy Country Quiz | 0 | - | 4.82 | 123,310 |
| Japan Country Quiz | 0 | - | 4.93 | 142,355 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,641 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,294 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,322 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,729 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,638 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,852 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,616 |
| Random European Capital to Country | 0 | - | 4.98 | 190,771 |
| Random European Country to Capital | 0 | - | 4.93 | 164,947 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,080 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,867 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,133 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,331 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,365 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,415 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,572 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,427 |
| Every European Country Shape | 0 | - | 4.96 | 201,476 |
| Every African Country Shape | 0 | - | 4.90 | 87,172 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,765 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,219 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,615 |
| Countries Bordering India | 0 | - | 4.98 | 163,382 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,161 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,261 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,133 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,224 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,496 |
| Countries that Border China | 0 | - | 4.96 | 263,013 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,298 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,829 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,494 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,602 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,336 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,752 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,073 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,822 |
| Countries that Border Poland | 0 | - | 4.99 | 172,182 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,516 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,643 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,389 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,106 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,024 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,327 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,835 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,831 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,794 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,924 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,141 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,490 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,492 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,202 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,959 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,980 |
| Countries Closest to India | 0 | - | 4.97 | 102,712 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,564 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,907 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,889 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,773 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,683 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,440 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,294 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,427 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,011 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,978 |
| Hindu Countries | 0 | - | 4.86 | 50,081 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,724 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,291 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.62 | 63,405 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 105,619 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,515 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,495 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,564 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,502 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,339 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,857 |
| Countries that Beat China | 0 | - | 4.86 | 115,655 |
