| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,469 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,352 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,165 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,648 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,569 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,596 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,661 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,308 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,670 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,898 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,557 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,267 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,482 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,292 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,118 |
| UK Immigration by Country | 0 | - | 4.94 | 139,891 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,546 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,704 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,503 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,186 |
| Random European Capital to Country | 0 | - | 4.98 | 189,485 |
| Random European Country to Capital | 0 | - | 4.92 | 147,654 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,012 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,354 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,961 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,574 |
| Every European Country Shape | 0 | - | 4.96 | 200,464 |
| Countries of Africa | 0 | - | 5.00 | 2,513,347 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,312 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,798 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,460 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,225 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,419 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,976 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,902 |
| The Only European Country ... | 0 | - | 4.91 | 214,410 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,555 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,265 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,906 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,359 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,630 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,833 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,336 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,505 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,480 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,402 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,760 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,670 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,923 |
| Europe Capital to Country | 0 | - | 4.99 | 248,349 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,780 |
| European Capitals by Map | 0 | - | 4.99 | 136,969 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,409 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,788 |
| European Coastal Capitals | 0 | - | 4.95 | 89,933 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,287 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,446 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,805 |
| Biggest British Empire Countries | 0 | - | 4.73 | 98,934 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,966 |
| Countries of the Middle East | 0 | - | 4.96 | 199,313 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,455 |
| Slavic Countries | 0 | - | 4.96 | 111,019 |
| African Island Countries | 0 | - | 4.96 | 100,937 |
| Random European Flag to Country | 0 | - | 4.89 | 181,200 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,231 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,979 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,683 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,380 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,871 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,893 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,953 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,232 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,303 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,476 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,711 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,454 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,553 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,408 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,635 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,261 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,105 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,129 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,909 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,746 |
| Official Cities in the UK | 0 | - | 4.89 | 281,182 |
| Cities in European History #1 | 0 | - | 4.63 | 133,341 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,558 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,337 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,807 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,881 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,735 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,328 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,682 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,531 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,465 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,539 |
| Monarchies of Europe | 0 | - | 4.90 | 97,487 |
| Monarchies of Asia | 0 | - | 4.97 | 70,694 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,514 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,173 |
| The Only African Country ... | 0 | - | 4.99 | 128,477 |
| The Only American Country ... | 0 | - | 4.92 | 120,911 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,833 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,329 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,171 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,606 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,242 |
| European Countries with One Border | 0 | - | 4.97 | 181,833 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,733 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,514 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,795 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,342 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,699 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,413 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,779 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,926 |
| Central American Countries | 0 | - | 4.98 | 155,250 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,811 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,449 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,981 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,483 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,493 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,391 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,211 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,927 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,853 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,580 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,347 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,394 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,270 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,567 |
| Countries That Border Russia | 0 | - | 4.98 | 459,656 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,597 |
| Countries Bordering France | 0 | - | 4.83 | 400,390 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,479 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,295 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,623 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,364 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,059 |
| Germany Country Quiz | 0 | - | 4.82 | 156,824 |
| Russia Country Quiz | 0 | - | 4.85 | 113,806 |
| Italy Country Quiz | 0 | - | 4.82 | 122,428 |
| Japan Country Quiz | 0 | - | 4.92 | 141,530 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,964 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,108 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,118 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,276 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,705 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,454 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,273 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,507 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,589 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,844 |
| Most Forested European Countries | 0 | - | 4.80 | 75,000 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,951 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,125 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,203 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,548 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,111 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,705 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,955 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,803 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,827 |
| Every African Country Shape | 0 | - | 4.90 | 86,345 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 77,876 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,259 |
| Countries Bordering India | 0 | - | 4.98 | 163,024 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,805 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,899 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,967 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,886 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,275 |
| Countries that Border China | 0 | - | 4.96 | 262,079 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,940 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,587 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,162 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,302 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,888 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,338 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,610 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,545 |
| Countries that Border Poland | 0 | - | 4.99 | 171,552 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,694 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,011 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,043 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,794 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,605 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,893 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,462 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,592 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,884 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,031 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,100 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,521 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,798 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,507 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,008 |
| Countries Closest to India | 0 | - | 4.97 | 102,315 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,038 |
