| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,340 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,106 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,665 |
| The Only European Country ... | 0 | - | 4.91 | 213,981 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,644 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,992 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,205 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,458 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,313 |
| Slavic Countries | 0 | - | 4.96 | 110,901 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,746 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,339 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,898 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,043 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,245 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,412 |
| Monarchies of Europe | 0 | - | 4.90 | 97,365 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,074 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,451 |
| European Countries with One Border | 0 | - | 4.97 | 181,685 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,586 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,936 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,552 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,136 |
| UK Immigration by Country | 0 | - | 4.94 | 139,727 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,991 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,318 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,288 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| Countries That Border Russia | 0 | - | 4.98 | 459,039 |
| Countries Bordering France | 0 | - | 4.83 | 399,599 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,172 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,098 |
| Germany Country Quiz | 0 | - | 4.82 | 156,639 |
| Russia Country Quiz | 0 | - | 4.85 | 113,687 |
| Italy Country Quiz | 0 | - | 4.82 | 122,282 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,278 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,876 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,053 |
| Countries of Africa | 0 | - | 5.00 | 2,509,342 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,430 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,861 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,802 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,240 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,873 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,236 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,611 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,440 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,196 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,725 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,816 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,782 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,476 |
| Countries that Border Poland | 0 | - | 4.99 | 171,415 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,335 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,558 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,382 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,398 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,830 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,386 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,132 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,140 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,634 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,549 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,420 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,607 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,906 |
| Europe Capital to Country | 0 | - | 4.99 | 248,033 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,551 |
| European Capitals by Map | 0 | - | 4.99 | 136,453 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,262 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,677 |
| European Coastal Capitals | 0 | - | 4.95 | 89,828 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,951 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,875 |
| Which City in Europe? | 0 | - | 4.83 | 106,741 |
| Countries of the Middle East | 0 | - | 4.96 | 199,043 |
| African Island Countries | 0 | - | 4.96 | 100,833 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,514 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,737 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,803 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,325 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,795 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,547 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,202 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,686 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,834 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,169 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,197 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,324 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,459 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,294 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,526 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,552 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,888 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,644 |
| Countries that Beat China | 0 | - | 4.86 | 114,752 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,505 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,238 |
| Counties of England | 0 | - | 4.97 | 789,622 |
| Random European Flag to Country | 0 | - | 4.89 | 180,990 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,926 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,812 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,514 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,278 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,069 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,906 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,027 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| Official Cities in the UK | 0 | - | 4.89 | 280,726 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,453 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,746 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,804 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,383 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,392 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,447 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,874 |
| The Only African Country ... | 0 | - | 4.99 | 128,395 |
| The Only American Country ... | 0 | - | 4.92 | 120,801 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,273 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,095 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,142 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,266 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,774 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,165 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,948 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,062 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,859 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,012 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,448 |
| Random European City to Country | 0 | - | 4.69 | 116,687 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,532 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 37,813 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,291 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,410 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 89,592 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,518 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,402 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.42 | 70,076 |
| European Countries with the Lowest Average Elevation | 0 | - | 4.67 | 62,144 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,395 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,459 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,197 |
| Countries Closest to Europe | 0 | - | 4.70 | 109,484 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,711 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,972 |
| Countries that Beat France | 0 | - | 4.49 | 75,195 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,272 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,070 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,698 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,316 |
| Central American Countries | 0 | - | 4.98 | 155,117 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,690 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,320 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,900 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,075 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,401 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,284 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,126 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,833 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,798 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,493 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,250 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,522 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,234 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,538 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,229 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,004 |
| Japan Country Quiz | 0 | - | 4.92 | 141,343 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,831 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 33,641 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,303 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,067 |
| Syria Country Quiz | 0 | - | 4.81 | 32,367 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,361 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,505 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,705 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,452 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,269 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,204 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,119 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,134 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,377 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,610 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,789 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,457 |
| Countries with Megacities | 0 | - | 4.99 | 247,287 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,292 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,100 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,724 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,024 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,715 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,215 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,789 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,118 |
