| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,597 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,441 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,417 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,919 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,255 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,850 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,860 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,725 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,879 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,076 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,634 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,359 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,642 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,456 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,336 |
| UK Immigration by Country | 0 | - | 4.94 | 140,206 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,058 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,727 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,931 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,292 |
| Random European Capital to Country | 0 | - | 4.98 | 189,749 |
| Random European Country to Capital | 0 | - | 4.92 | 147,850 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,200 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,438 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,649 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,873 |
| Every European Country Shape | 0 | - | 4.96 | 200,815 |
| Countries of Africa | 0 | - | 5.00 | 2,521,082 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,773 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,963 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,643 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,406 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,903 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,247 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,293 |
| The Only European Country ... | 0 | - | 4.91 | 215,095 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,055 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,311 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,292 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,464 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,664 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,941 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,450 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,775 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,657 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,523 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,880 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,756 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,012 |
| Europe Capital to Country | 0 | - | 4.99 | 248,870 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,126 |
| European Capitals by Map | 0 | - | 4.99 | 137,694 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,585 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,956 |
| European Coastal Capitals | 0 | - | 4.95 | 90,098 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,749 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,372 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,390 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,457 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,033 |
| Countries of the Middle East | 0 | - | 4.96 | 199,833 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,725 |
| Slavic Countries | 0 | - | 4.96 | 111,241 |
| African Island Countries | 0 | - | 4.96 | 101,144 |
| Random European Flag to Country | 0 | - | 4.89 | 181,544 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,156 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,298 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,966 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,735 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,204 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,136 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,220 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,397 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,508 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,689 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,881 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,668 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,723 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,576 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,830 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,599 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,451 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,349 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,015 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,900 |
| Official Cities in the UK | 0 | - | 4.89 | 282,080 |
| Cities in European History #1 | 0 | - | 4.63 | 133,537 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,690 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,567 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,917 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,985 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,893 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,528 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,778 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,765 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,720 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,736 |
| Monarchies of Europe | 0 | - | 4.90 | 97,690 |
| Monarchies of Asia | 0 | - | 4.97 | 70,825 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,623 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,614 |
| The Only African Country ... | 0 | - | 4.99 | 128,694 |
| The Only American Country ... | 0 | - | 4.92 | 121,162 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,924 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,458 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,372 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,905 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,486 |
| European Countries with One Border | 0 | - | 4.97 | 182,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,969 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,712 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,941 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,637 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,248 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,625 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,905 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,042 |
| Central American Countries | 0 | - | 4.98 | 155,509 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,030 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,689 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,165 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,231 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,757 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,383 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,454 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,094 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,969 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,737 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,509 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,624 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,476 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,678 |
| Countries That Border Russia | 0 | - | 4.98 | 460,300 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,718 |
| Countries Bordering France | 0 | - | 4.83 | 401,088 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,986 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,381 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,766 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,541 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,153 |
| Germany Country Quiz | 0 | - | 4.82 | 157,169 |
| Russia Country Quiz | 0 | - | 4.85 | 114,033 |
| Italy Country Quiz | 0 | - | 4.82 | 122,658 |
| Japan Country Quiz | 0 | - | 4.92 | 141,895 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,084 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,189 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,443 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,832 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,738 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,348 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,663 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,770 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,926 |
| Most Forested European Countries | 0 | - | 4.80 | 75,101 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,086 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,190 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,290 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,570 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,172 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,727 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,506 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,379 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,988 |
| Every African Country Shape | 0 | - | 4.90 | 86,594 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,840 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,516 |
| Countries Bordering India | 0 | - | 4.98 | 163,197 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,925 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,024 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,028 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,009 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,336 |
| Countries that Border China | 0 | - | 4.96 | 262,476 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,064 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,673 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,269 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,394 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,055 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,368 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,804 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,633 |
| Countries that Border Poland | 0 | - | 4.99 | 171,769 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,991 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,241 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,163 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,908 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,175 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,697 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,208 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,558 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,689 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,973 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,206 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,239 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,717 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,869 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,676 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,097 |
| Countries Closest to India | 0 | - | 4.97 | 102,455 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,221 |
