| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,359 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,296 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,792 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,444 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,003 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,225 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,459 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,895 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,496 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,760 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,503 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,927 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,353 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,130 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,892 |
| UK Immigration by Country | 0 | - | 4.94 | 139,600 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,223 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,668 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,109 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,018 |
| Random European Capital to Country | 0 | - | 4.98 | 189,175 |
| Random European Country to Capital | 0 | - | 4.92 | 147,430 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,810 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,260 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,698 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,331 |
| Every European Country Shape | 0 | - | 4.96 | 200,107 |
| Countries of Africa | 0 | - | 5.00 | 2,507,164 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,134 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,657 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,235 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,098 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,933 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,510 |
| The Only European Country ... | 0 | - | 4.91 | 213,767 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,089 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,209 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,489 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,196 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,595 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,709 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,222 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,191 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,264 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,245 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,591 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,550 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,789 |
| Europe Capital to Country | 0 | - | 4.99 | 247,620 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,426 |
| European Capitals by Map | 0 | - | 4.99 | 136,217 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,160 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,589 |
| European Coastal Capitals | 0 | - | 4.95 | 89,727 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,739 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,592 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,271 |
| Biggest British Empire Countries | 0 | - | 4.73 | 91,156 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,874 |
| Countries of the Middle East | 0 | - | 4.96 | 198,866 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| Slavic Countries | 0 | - | 4.96 | 110,834 |
| African Island Countries | 0 | - | 4.96 | 100,768 |
| Random European Flag to Country | 0 | - | 4.89 | 180,870 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,427 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,690 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,465 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,071 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,596 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,697 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,742 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,148 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,268 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,547 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,380 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,218 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,496 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,956 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,819 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,818 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,578 |
| Official Cities in the UK | 0 | - | 4.89 | 280,459 |
| Cities in European History #1 | 0 | - | 4.63 | 133,095 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,090 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,692 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,757 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,325 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,176 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,616 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,338 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,297 |
| Monarchies of Asia | 0 | - | 4.97 | 70,591 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,728 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| The Only American Country ... | 0 | - | 4.92 | 120,735 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,773 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,353 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,013 |
| European Countries with One Border | 0 | - | 4.97 | 181,592 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,505 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,087 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,661 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,067 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,097 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,182 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,657 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,854 |
| Central American Countries | 0 | - | 4.98 | 155,016 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,224 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,853 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,839 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,225 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,068 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,781 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,435 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,202 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,225 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,105 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,483 |
| Countries That Border Russia | 0 | - | 4.98 | 458,856 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,465 |
| Countries Bordering France | 0 | - | 4.83 | 398,802 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,984 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,206 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,478 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,187 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,973 |
| Germany Country Quiz | 0 | - | 4.82 | 156,509 |
| Russia Country Quiz | 0 | - | 4.85 | 113,619 |
| Italy Country Quiz | 0 | - | 4.82 | 122,171 |
| Japan Country Quiz | 0 | - | 4.92 | 141,219 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,842 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,029 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,063 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,613 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,653 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,188 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,381 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,782 |
| Most Forested European Countries | 0 | - | 4.80 | 74,899 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,834 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,144 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,532 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,034 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,686 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,401 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,268 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,674 |
| Every African Country Shape | 0 | - | 4.90 | 86,071 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,089 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,165 |
| Countries Bordering India | 0 | - | 4.98 | 162,585 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,684 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,764 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,921 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,770 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,209 |
| Countries that Border China | 0 | - | 4.96 | 261,794 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,838 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,521 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,065 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,216 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,726 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,300 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,464 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,437 |
| Countries that Border Poland | 0 | - | 4.99 | 171,324 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,442 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,932 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,694 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,515 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,269 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,367 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,490 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,791 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,875 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,941 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,336 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,749 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,327 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,927 |
| Countries Closest to India | 0 | - | 4.97 | 102,198 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,897 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,289 |
