| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,380 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,434 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,731 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,564 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,150 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,616 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,192 |
| Countries of Africa | 0 | - | 5.00 | 2,530,351 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,169 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,105 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,170 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,390 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,101 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,078 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,444 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,435 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,561 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,538 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,374 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,620 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,848 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,192 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,756 |
| Countries of the Middle East | 0 | - | 4.96 | 200,752 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,008 |
| The Only European Country ... | 0 | - | 4.91 | 216,016 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,760 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| African Island Countries | 0 | - | 4.96 | 101,436 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,255 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,784 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,582 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,648 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,665 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,283 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,184 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,662 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,438 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,536 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,511 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,088 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,983 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,392 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,011 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,977 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,820 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,086 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,444 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,516 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,025 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,635 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,346 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,583 |
| UK Immigration by Country | 0 | - | 4.94 | 140,682 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,174 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,737 |
| Central American Countries | 0 | - | 4.98 | 155,899 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,331 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,908 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,062 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,945 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,023 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,458 |
| Vietnam War Countries | 0 | - | 4.82 | 94,085 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,236 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,979 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,359 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 131,302 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,939 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,321 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,939 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,128 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,028 |
| Monarchies of Europe | 0 | - | 4.90 | 97,968 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,942 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,063 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,252 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,712 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,779 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,320 |
| The Only African Country ... | 0 | - | 4.98 | 128,942 |
| The Only American Country ... | 0 | - | 4.92 | 121,409 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,061 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,912 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,796 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,650 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,672 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,262 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,786 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,837 |
| Countries That Border Russia | 0 | - | 4.98 | 461,141 |
| European Countries with One Border | 0 | - | 4.97 | 182,527 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,327 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,890 |
| Countries Bordering France | 0 | - | 4.83 | 401,920 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,646 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,506 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,955 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,784 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,294 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,003 |
| Germany Country Quiz | 0 | - | 4.82 | 157,597 |
| Russia Country Quiz | 0 | - | 4.85 | 114,287 |
| Italy Country Quiz | 0 | - | 4.82 | 123,216 |
| Japan Country Quiz | 0 | - | 4.93 | 142,225 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,473 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,242 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,016 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,295 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,683 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,552 |
| Random European Capital to Country | 0 | - | 4.98 | 190,635 |
| Random European Country to Capital | 0 | - | 4.93 | 164,629 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,224 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,602 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,044 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,770 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,114 |
| Hindu Countries | 0 | - | 4.86 | 50,013 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,279 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,331 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,384 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,279 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,133 |
| Every European Country Shape | 0 | - | 4.96 | 201,315 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,566 |
| Every African Country Shape | 0 | - | 4.90 | 87,033 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,150 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,483 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,091 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,442 |
| Countries Bordering India | 0 | - | 4.98 | 163,325 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,098 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,191 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,102 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,445 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,149 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,449 |
| Countries that Border China | 0 | - | 4.96 | 262,866 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,232 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,786 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,428 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,524 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,256 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,731 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,996 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,759 |
| Countries that Border Poland | 0 | - | 4.99 | 172,060 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,355 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,525 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,331 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,043 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,918 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,259 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,516 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,794 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,649 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,725 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,853 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,091 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,389 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,413 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,418 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,029 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,261 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,930 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,884 |
| Countries Closest to India | 0 | - | 4.97 | 102,639 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,465 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,722 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,842 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,704 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,436 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,552 |
| Countries that Beat China | 0 | - | 4.86 | 115,496 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,471 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,618 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,635 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,414 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,417 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,919 |
| Random European Flag to Country | 0 | - | 4.89 | 181,978 |
| Random African Flag to Country | 0 | - | 4.88 | 74,688 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,844 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,869 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,062 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,703 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,278 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,991 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,108 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,916 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,127 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,974 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,650 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,173 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,072 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,330 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,623 |
