| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,239 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,637 |
| Hindu Countries | 0 | - | 4.85 | 49,524 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,692 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,914 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,946 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,798 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,682 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,604 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,724 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,197 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,453 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,328 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,361 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,621 |
| Countries of Africa | 0 | - | 5.00 | 2,506,338 |
| Countries Bordering India | 0 | - | 4.98 | 162,569 |
| Countries Closest to India | 0 | - | 4.97 | 102,180 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,874 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,841 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,775 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,451 |
| The Only European Country ... | 0 | - | 4.91 | 213,680 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,011 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,441 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,175 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,154 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,344 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,154 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,434 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,912 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,138 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,234 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,217 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,528 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,760 |
| Asia Capital to Country | 0 | - | 4.96 | 125,690 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,059 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,164 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,210 |
| Countries of the Middle East | 0 | - | 4.96 | 198,821 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,207 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| Vietnam War Countries | 0 | - | 4.83 | 93,578 |
| African Island Countries | 0 | - | 4.96 | 100,731 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,709 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,476 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,655 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,429 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,021 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,565 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,659 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,720 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,128 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,527 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,208 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,368 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,194 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,469 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,283 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,877 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,132 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,662 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,831 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,779 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,545 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,132 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,410 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,148 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,335 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,304 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,417 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,334 |
| Monarchies of Europe | 0 | - | 4.90 | 97,269 |
| Monarchies of Asia | 0 | - | 4.97 | 70,576 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| The Only African Country ... | 0 | - | 4.99 | 128,316 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,226 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,005 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,304 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| European Countries with One Border | 0 | - | 4.97 | 181,556 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,382 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,501 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,064 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,519 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,283 |
| UK Immigration by Country | 0 | - | 4.94 | 139,542 |
| Central American Countries | 0 | - | 4.98 | 154,981 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,609 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,162 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,826 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,614 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,175 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,331 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,044 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,766 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,755 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,422 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,174 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,204 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,083 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,476 |
| Countries That Border Russia | 0 | - | 4.98 | 458,770 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,447 |
| Countries Bordering France | 0 | - | 4.85 | 398,431 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,908 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,190 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,459 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,167 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,962 |
| Countries that Beat India | 0 | - | 4.41 | 62,568 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,556 |
| Germany Country Quiz | 0 | - | 4.82 | 156,476 |
| Russia Country Quiz | 0 | - | 4.85 | 113,601 |
| Italy Country Quiz | 0 | - | 4.82 | 122,141 |
| Japan Country Quiz | 0 | - | 4.92 | 141,183 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,070 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,824 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,804 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,450 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,214 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,988 |
| Random European Capital to Country | 0 | - | 4.98 | 189,137 |
| Random European Country to Capital | 0 | - | 4.92 | 147,386 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,779 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,265 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,859 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,816 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,059 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,127 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,197 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,330 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,186 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,648 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,292 |
| Every European Country Shape | 0 | - | 4.96 | 200,048 |
| Every African Country Shape | 0 | - | 4.90 | 86,010 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,070 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,148 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,101 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,665 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,741 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,916 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,759 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,199 |
| Countries that Border China | 0 | - | 4.96 | 261,771 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,824 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,509 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,048 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,199 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,700 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,289 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,445 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,421 |
| Countries that Border Poland | 0 | - | 4.99 | 171,293 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,397 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,808 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,919 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,685 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,204 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,216 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,355 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,478 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,782 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,851 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,914 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,304 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,738 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,305 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,878 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,244 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,513 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,081 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,067 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,301 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,671 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,739 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,528 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,771 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,401 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,450 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,984 |
| Countries with Megacities | 0 | - | 4.99 | 246,496 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,907 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,789 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,363 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,749 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,788 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,493 |
