| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,280 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,681 |
| Hindu Countries | 0 | - | 4.85 | 49,581 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,733 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,992 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,776 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,622 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,878 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,251 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,915 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,401 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,417 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,707 |
| Countries of Africa | 0 | - | 5.00 | 2,507,929 |
| Countries Bordering India | 0 | - | 4.98 | 162,604 |
| Countries Closest to India | 0 | - | 4.97 | 102,207 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,998 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,861 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,816 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,564 |
| The Only European Country ... | 0 | - | 4.91 | 213,839 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,150 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,541 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,295 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,802 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,672 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,493 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,084 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,231 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,295 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,188 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,335 |
| Countries of the Middle East | 0 | - | 4.96 | 198,929 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Slavic Countries | 0 | - | 4.96 | 110,860 |
| Vietnam War Countries | 0 | - | 4.83 | 93,610 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,734 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,492 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,113 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,764 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,578 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,277 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,247 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,508 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,354 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,907 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,177 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,682 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,961 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,856 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,596 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,181 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,201 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,381 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,472 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| Monarchies of Europe | 0 | - | 4.90 | 97,316 |
| Monarchies of Asia | 0 | - | 4.97 | 70,604 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,045 |
| European Countries with One Border | 0 | - | 4.97 | 181,630 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,522 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,545 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,111 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,587 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,309 |
| UK Immigration by Country | 0 | - | 4.94 | 139,643 |
| Central American Countries | 0 | - | 4.98 | 155,055 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,270 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,863 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,262 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,364 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,798 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,777 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,452 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,214 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,248 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,122 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,493 |
| Countries That Border Russia | 0 | - | 4.98 | 458,923 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,493 |
| Countries Bordering France | 0 | - | 4.83 | 399,117 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,058 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,218 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,509 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,202 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Countries that Beat India | 0 | - | 4.41 | 62,591 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,795 |
| Germany Country Quiz | 0 | - | 4.82 | 156,549 |
| Russia Country Quiz | 0 | - | 4.85 | 113,635 |
| Italy Country Quiz | 0 | - | 4.82 | 122,207 |
| Japan Country Quiz | 0 | - | 4.92 | 141,246 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,148 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,853 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,821 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,038 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,925 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,290 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,069 |
| Random European Capital to Country | 0 | - | 4.98 | 189,212 |
| Random European Country to Capital | 0 | - | 4.92 | 147,450 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,838 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| Biggest British Empire Countries | 0 | - | 4.73 | 94,815 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,893 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,854 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,152 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,210 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,483 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,335 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,740 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,354 |
| Every European Country Shape | 0 | - | 4.96 | 200,175 |
| Every African Country Shape | 0 | - | 4.90 | 86,120 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,154 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,701 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,780 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,928 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,787 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,216 |
| Countries that Border China | 0 | - | 4.96 | 261,820 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,850 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,531 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,083 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,229 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,749 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,306 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,492 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,452 |
| Countries that Border Poland | 0 | - | 4.99 | 171,355 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,856 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,939 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,704 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,273 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,536 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,310 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,380 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,509 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,807 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,892 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,957 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,360 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,753 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,345 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,909 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,331 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,531 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,110 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,106 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,317 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,415 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,767 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,618 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,839 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,050 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,631 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,201 |
| Countries with Megacities | 0 | - | 4.99 | 246,891 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,111 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,962 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,520 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,851 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,801 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,568 |
