| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,255 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,651 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,460 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,952 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,965 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,815 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,162 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,718 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,703 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,613 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,775 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,222 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,434 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,694 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,354 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,378 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,926 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,794 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,501 |
| The Only European Country ... | 0 | - | 4.91 | 213,754 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,075 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,484 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,190 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,668 |
| Countries of Africa | 0 | - | 5.00 | 2,507,041 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,768 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,835 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,214 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,205 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,851 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,527 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,392 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,450 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,405 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,025 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,986 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,179 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,242 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,587 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,547 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,786 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,174 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,264 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,227 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| African Island Countries | 0 | - | 4.96 | 100,762 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,685 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,461 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,061 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,588 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,689 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,738 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,142 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,264 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,545 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,240 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,215 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,493 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,169 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,968 |
| Vietnam War Countries | 0 | - | 4.83 | 93,586 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,720 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,534 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,671 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,883 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,814 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,572 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,173 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,355 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,334 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,440 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,294 |
| Monarchies of Asia | 0 | - | 4.97 | 70,589 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,426 |
| The Only African Country ... | 0 | - | 4.99 | 128,341 |
| The Only American Country ... | 0 | - | 4.92 | 120,732 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,771 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,240 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,026 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,343 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,005 |
| Countries That Border Russia | 0 | - | 4.98 | 458,840 |
| European Countries with One Border | 0 | - | 4.97 | 181,588 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,499 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,520 |
| Countries Bordering France | 0 | - | 4.83 | 398,750 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,974 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,078 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,614 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,295 |
| UK Immigration by Country | 0 | - | 4.94 | 139,591 |
| Central American Countries | 0 | - | 4.98 | 155,010 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,636 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,215 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,850 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,826 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,216 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,346 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,063 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,779 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,199 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,223 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,103 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,482 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,462 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,201 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,474 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,181 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,972 |
| Germany Country Quiz | 0 | - | 4.82 | 156,503 |
| Russia Country Quiz | 0 | - | 4.85 | 113,618 |
| Italy Country Quiz | 0 | - | 4.82 | 122,166 |
| Japan Country Quiz | 0 | - | 4.92 | 141,213 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,108 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,837 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,812 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,027 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,394 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,256 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,010 |
| Random European Capital to Country | 0 | - | 4.98 | 189,171 |
| Random European Country to Capital | 0 | - | 4.92 | 147,424 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,802 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,782 |
| Biggest British Empire Countries | 0 | - | 4.73 | 90,262 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,869 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,832 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,144 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,388 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,259 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,683 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,320 |
| Every European Country Shape | 0 | - | 4.96 | 200,098 |
| Every African Country Shape | 0 | - | 4.90 | 86,064 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,087 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,164 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,124 |
| Countries Bordering India | 0 | - | 4.98 | 162,584 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,681 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,758 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,920 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,208 |
| Countries that Border China | 0 | - | 4.96 | 261,793 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,519 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,065 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,722 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,298 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,433 |
| Countries that Border Poland | 0 | - | 4.99 | 171,322 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,435 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,827 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,931 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,693 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,228 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,512 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,255 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,365 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,490 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,789 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,872 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,940 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,333 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,749 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,322 |
| Countries Closest to India | 0 | - | 4.97 | 102,198 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,895 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,282 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,522 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,096 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,083 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,308 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,683 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,647 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,291 |
| Iran Country Quiz | 0 | - | 4.53 | 59,897 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,698 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,534 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,067 |
| Countries with Megacities | 0 | - | 4.99 | 246,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,996 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,849 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,422 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,783 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,010 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,524 |
| Hindu Countries | 0 | - | 4.85 | 49,548 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,768 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,451 |
