| Countries of Europe After World War II | 0 | - | 4.99 | 189,618 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,670 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,684 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,324 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,681 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,079 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,222 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,429 |
| Vietnam War Countries | 0 | - | 4.82 | 94,734 |
| Countries of the German Empire | 0 | - | 4.51 | 38,300 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,560 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,071 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,577 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,601 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,888 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,064 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,102 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,022 |
| UK Immigration by Country | 0 | - | 4.94 | 141,869 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,111 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,193 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,938 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,227 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,161 |
| Random European Capital to Country | 0 | - | 4.98 | 192,327 |
| Random European Country to Capital | 0 | - | 4.93 | 166,066 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,099 |
| Every European Country Shape | 0 | - | 4.96 | 203,229 |
| Countries of Africa | 0 | - | 5.00 | 2,563,941 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,393 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,815 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,977 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,403 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,154 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,220 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,433 |
| The Only European Country ... | 0 | - | 4.91 | 219,504 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,272 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,785 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,974 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,916 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,914 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,083 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,716 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,588 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,001 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,600 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,275 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,566 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,916 |
| Europe Capital to Country | 0 | - | 4.99 | 252,520 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,243 |
| European Capitals by Map | 0 | - | 4.99 | 142,464 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,094 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,359 |
| European Coastal Capitals | 0 | - | 4.95 | 91,472 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,154 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,911 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,188 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,592 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,392 |
| Countries of the Middle East | 0 | - | 4.96 | 203,214 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,342 |
| Slavic Countries | 0 | - | 4.96 | 112,485 |
| African Island Countries | 0 | - | 4.96 | 102,711 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,933 |
| Random European Flag to Country | 0 | - | 4.90 | 184,432 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,033 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,982 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,460 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,922 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,109 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,744 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,697 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,070 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,963 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,496 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,039 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,661 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,055 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,283 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,572 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,419 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,253 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,072 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,347 |
| Official Cities in the UK | 0 | - | 4.89 | 286,794 |
| Cities in European History #1 | 0 | - | 4.63 | 134,722 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,292 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,805 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,563 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,321 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,252 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,759 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,602 |
| Monarchies of Europe | 0 | - | 4.90 | 99,012 |
| Monarchies of Asia | 0 | - | 4.97 | 71,592 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,341 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,778 |
| The Only African Country ... | 0 | - | 4.99 | 129,778 |
| The Only American Country ... | 0 | - | 4.92 | 122,332 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,438 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,550 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,965 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,696 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,044 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,963 |
| European Countries with One Border | 0 | - | 4.97 | 183,997 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,703 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,898 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,963 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,150 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,247 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,763 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,099 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,676 |
| Central American Countries | 0 | - | 4.98 | 157,503 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,681 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,536 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,938 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,676 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,464 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,666 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,936 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,131 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,237 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,637 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,919 |
| Arms Exports - United States | 0 | - | 4.77 | 62,785 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,204 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,417 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,034 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,921 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,806 |
| Countries That Border Russia | 0 | - | 4.98 | 464,843 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,527 |
| Countries Bordering France | 0 | - | 4.83 | 405,280 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,170 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,936 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,680 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,932 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,779 |
| Germany Country Quiz | 0 | - | 4.82 | 159,023 |
| Russia Country Quiz | 0 | - | 4.83 | 115,419 |
| Japan Country Quiz | 0 | - | 4.93 | 143,490 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,821 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,626 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,129 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,481 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,926 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,084 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,546 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,393 |
| Most Forested European Countries | 0 | - | 4.80 | 75,739 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,814 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,659 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,744 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,722 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,632 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,870 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,187 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,043 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,696 |
| Every African Country Shape | 0 | - | 4.90 | 88,584 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,630 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,120 |
| Countries Bordering India | 0 | - | 4.98 | 163,876 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,084 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,023 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,743 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,135 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,894 |
| Countries that Border China | 0 | - | 4.96 | 264,490 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,184 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,199 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,250 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,901 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,187 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,935 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,955 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,346 |
| Countries that Border Poland | 0 | - | 4.99 | 173,322 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,697 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,564 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,929 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,616 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,662 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,204 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 52,020 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,335 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,341 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,447 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,549 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,246 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,149 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,622 |
