| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,243 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,641 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,449 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,926 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,952 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,804 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,137 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,691 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,696 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,606 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,729 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,199 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,423 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,518 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,367 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,886 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,462 |
| The Only European Country ... | 0 | - | 4.91 | 213,696 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,028 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,450 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,178 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,636 |
| Countries of Africa | 0 | - | 5.00 | 2,506,468 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,761 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,825 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,203 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,158 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,843 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,391 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,212 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,439 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,398 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,011 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,931 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,145 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,238 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,219 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,562 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,529 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,766 |
| Asia Capital to Country | 0 | - | 4.96 | 125,700 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,064 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,224 |
| Countries of the Middle East | 0 | - | 4.96 | 198,827 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,212 |
| Slavic Countries | 0 | - | 4.96 | 110,816 |
| African Island Countries | 0 | - | 4.96 | 100,739 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,663 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,440 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,031 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,569 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,669 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,723 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,135 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,534 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,214 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,373 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,199 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,476 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,158 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,958 |
| Vietnam War Countries | 0 | - | 4.83 | 93,580 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,713 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,522 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,663 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,844 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,788 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,554 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,412 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,151 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,341 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,311 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,427 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,336 |
| Monarchies of Europe | 0 | - | 4.90 | 97,277 |
| Monarchies of Asia | 0 | - | 4.97 | 70,579 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,419 |
| The Only African Country ... | 0 | - | 4.99 | 128,322 |
| The Only American Country ... | 0 | - | 4.92 | 120,716 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,761 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,230 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,012 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,313 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,987 |
| Countries That Border Russia | 0 | - | 4.98 | 458,791 |
| European Countries with One Border | 0 | - | 4.97 | 181,563 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,443 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,506 |
| Countries Bordering France | 0 | - | 4.85 | 398,512 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,922 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,067 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,473 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,287 |
| UK Immigration by Country | 0 | - | 4.94 | 139,548 |
| Central American Countries | 0 | - | 4.98 | 154,985 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,616 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,181 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,834 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,695 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,183 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,337 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,050 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,770 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,178 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,209 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,087 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,450 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,193 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,463 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,168 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Germany Country Quiz | 0 | - | 4.82 | 156,479 |
| Russia Country Quiz | 0 | - | 4.85 | 113,605 |
| Italy Country Quiz | 0 | - | 4.82 | 122,148 |
| Japan Country Quiz | 0 | - | 4.92 | 141,187 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,079 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,826 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,805 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,018 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,833 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,224 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,991 |
| Random European Capital to Country | 0 | - | 4.98 | 189,146 |
| Random European Country to Capital | 0 | - | 4.92 | 147,394 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,783 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,776 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,268 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,860 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,820 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,060 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,132 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,346 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,200 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,657 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,298 |
| Every European Country Shape | 0 | - | 4.96 | 200,065 |
| Every African Country Shape | 0 | - | 4.90 | 86,033 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,073 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,153 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,104 |
| Countries Bordering India | 0 | - | 4.98 | 162,571 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,669 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,746 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,918 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,201 |
| Countries that Border China | 0 | - | 4.96 | 261,778 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,513 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,053 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,709 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,292 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,422 |
| Countries that Border Poland | 0 | - | 4.99 | 171,299 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,412 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,812 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,922 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,687 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,210 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,503 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,225 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,356 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,482 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,782 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,858 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,915 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,315 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,739 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,309 |
| Countries Closest to India | 0 | - | 4.97 | 102,185 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,882 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,254 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,514 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,082 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,067 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,303 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,675 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,640 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Iran Country Quiz | 0 | - | 4.53 | 59,890 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,463 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,471 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,996 |
| Countries with Megacities | 0 | - | 4.99 | 246,519 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,797 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,500 |
| Hindu Countries | 0 | - | 4.85 | 49,534 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,761 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,445 |
