| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,721 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,509 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,657 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,189 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,922 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,108 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,111 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,281 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,060 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,239 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,677 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,339 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,818 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,640 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,580 |
| UK Immigration by Country | 0 | - | 4.94 | 140,592 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,465 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,758 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,312 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,505 |
| Random European Capital to Country | 0 | - | 4.98 | 190,536 |
| Random European Country to Capital | 0 | - | 4.93 | 164,249 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,391 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,526 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,966 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,173 |
| Every European Country Shape | 0 | - | 4.96 | 201,193 |
| Countries of Africa | 0 | - | 5.00 | 2,528,358 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,080 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,109 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 74,854 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,582 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,381 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,516 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,704 |
| The Only European Country ... | 0 | - | 4.91 | 215,821 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,600 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,368 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,652 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,548 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,700 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,065 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,575 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,290 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,036 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,023 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,224 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,125 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,396 |
| Europe Capital to Country | 0 | - | 4.99 | 249,419 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,484 |
| European Capitals by Map | 0 | - | 4.99 | 138,386 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,813 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,177 |
| European Coastal Capitals | 0 | - | 4.95 | 90,310 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,399 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,611 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,998 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,709 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,090 |
| Countries of the Middle East | 0 | - | 4.96 | 200,637 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,929 |
| Slavic Countries | 0 | - | 4.96 | 111,431 |
| African Island Countries | 0 | - | 4.96 | 101,364 |
| Random European Flag to Country | 0 | - | 4.89 | 181,860 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,858 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,587 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,212 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,075 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,560 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,364 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,466 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,489 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,993 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,907 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,293 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,925 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,916 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,764 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,009 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,373 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,908 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,547 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,133 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,541 |
| Official Cities in the UK | 0 | - | 4.89 | 282,822 |
| Cities in European History #1 | 0 | - | 4.63 | 133,740 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,848 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,928 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,041 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,134 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,048 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,685 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,873 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,986 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,881 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,893 |
| Monarchies of Europe | 0 | - | 4.90 | 97,887 |
| Monarchies of Asia | 0 | - | 4.97 | 70,931 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,746 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,171 |
| The Only African Country ... | 0 | - | 4.99 | 128,879 |
| The Only American Country ... | 0 | - | 4.92 | 121,357 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,036 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,596 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,626 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,183 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,721 |
| European Countries with One Border | 0 | - | 4.97 | 182,435 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,248 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,947 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,084 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,962 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,879 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,869 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,016 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,131 |
| Central American Countries | 0 | - | 4.98 | 155,811 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,257 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,927 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,347 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,010 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,982 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,879 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,656 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,267 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,091 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,888 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,669 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,811 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,714 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,787 |
| Countries That Border Russia | 0 | - | 4.98 | 460,939 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,845 |
| Countries Bordering France | 0 | - | 4.83 | 401,722 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,484 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,477 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,904 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,725 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,255 |
| Germany Country Quiz | 0 | - | 4.82 | 157,485 |
| Russia Country Quiz | 0 | - | 4.85 | 114,215 |
| Italy Country Quiz | 0 | - | 4.82 | 123,108 |
| Japan Country Quiz | 0 | - | 4.93 | 142,148 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,207 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,275 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,650 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,736 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,972 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,346 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,422 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,105 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,503 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,016 |
| Most Forested European Countries | 0 | - | 4.80 | 75,212 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,254 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,311 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,368 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,605 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,252 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,755 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,064 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,930 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,513 |
| Every African Country Shape | 0 | - | 4.90 | 86,911 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,017 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,706 |
| Countries Bordering India | 0 | - | 4.98 | 163,291 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,060 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,157 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,089 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,119 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,424 |
| Countries that Border China | 0 | - | 4.96 | 262,763 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,202 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,767 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,398 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,488 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,214 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,717 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,942 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,732 |
| Countries that Border Poland | 0 | - | 4.99 | 171,995 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,273 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,464 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,296 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,004 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,239 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,771 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,524 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,683 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,820 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,066 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,359 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,373 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,955 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,916 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,830 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,203 |
| Countries Closest to India | 0 | - | 4.97 | 102,596 |
