| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,374 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,835 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,847 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,339 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,170 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,931 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,251 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,235 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 115,738 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,700 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,739 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,543 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,639 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,954 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,864 |
| Countries of Africa | 0 | - | 5.00 | 2,515,070 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,645 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,538 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,848 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,045 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,995 |
| The Only European Country ... | 0 | - | 4.91 | 214,590 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,654 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,995 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,382 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,967 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,714 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,751 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,571 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,530 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,430 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,794 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,695 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,948 |
| Asia Capital to Country | 0 | - | 4.96 | 125,980 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,530 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,284 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,938 |
| Countries of the Middle East | 0 | - | 4.96 | 199,444 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,522 |
| Slavic Countries | 0 | - | 4.96 | 111,063 |
| Vietnam War Countries | 0 | - | 4.83 | 93,776 |
| African Island Countries | 0 | - | 4.96 | 100,996 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,826 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,603 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,035 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,739 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,467 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,944 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,956 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,013 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,286 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,368 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,533 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,753 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,511 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,592 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,449 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,687 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,779 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,400 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,193 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,778 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,362 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,705 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,366 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,495 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,577 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,499 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,699 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,589 |
| Monarchies of Europe | 0 | - | 4.90 | 97,534 |
| Monarchies of Asia | 0 | - | 4.97 | 70,724 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,539 |
| The Only African Country ... | 0 | - | 4.99 | 128,551 |
| The Only American Country ... | 0 | - | 4.92 | 121,008 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,856 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,354 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,208 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,673 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,302 |
| European Countries with One Border | 0 | - | 4.97 | 181,893 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,802 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,709 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,563 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,370 |
| UK Immigration by Country | 0 | - | 4.94 | 139,934 |
| Central American Countries | 0 | - | 4.98 | 155,325 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,851 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,507 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,024 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,644 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,658 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,570 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,271 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,972 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,885 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,619 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,387 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,441 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,315 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,591 |
| Countries That Border Russia | 0 | - | 4.98 | 459,811 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,624 |
| Countries Bordering France | 0 | - | 4.83 | 400,573 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,591 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,317 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,665 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,408 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,075 |
| Germany Country Quiz | 0 | - | 4.82 | 156,877 |
| Russia Country Quiz | 0 | - | 4.85 | 113,848 |
| Italy Country Quiz | 0 | - | 4.82 | 122,470 |
| Japan Country Quiz | 0 | - | 4.92 | 141,574 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,563 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,983 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,881 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,263 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,755 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,207 |
| Random European Capital to Country | 0 | - | 4.98 | 189,543 |
| Random European Country to Capital | 0 | - | 4.92 | 147,702 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,062 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,858 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,993 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,140 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,232 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,082 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,926 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,036 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,627 |
| Every European Country Shape | 0 | - | 4.96 | 200,551 |
| Every African Country Shape | 0 | - | 4.90 | 86,406 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 80,250 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,321 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,460 |
| Countries Bordering India | 0 | - | 4.98 | 163,092 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,836 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,935 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,980 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,910 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,288 |
| Countries that Border China | 0 | - | 4.96 | 262,144 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,975 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,600 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,185 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,323 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,928 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,344 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,664 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,571 |
| Countries that Border Poland | 0 | - | 4.99 | 171,602 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,763 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,072 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,069 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,810 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,508 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,629 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,964 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,476 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,612 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,900 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,079 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,130 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,553 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,824 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,556 |
| Countries Closest to India | 0 | - | 4.97 | 102,358 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,084 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,668 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,631 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,262 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,262 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,435 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,359 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,332 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,481 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 178,881 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,814 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,337 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,857 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,105 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,987 |
| Hindu Countries | 0 | - | 4.86 | 49,707 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,645 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,243 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 105,052 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,208 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,816 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,356 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,016 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,963 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,098 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,894 |
| Countries that Beat China | 0 | - | 4.86 | 114,956 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,099 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,682 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,805 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,496 |
