| European Countries by First 2 Letters | 0 | - | 4.95 | 527,201 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,492 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,765 |
| Official European Union Languages | 0 | - | 4.97 | 237,383 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,164 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,042 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,496 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,291 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,800 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,735 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,679 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,586 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,634 |
| Italian Foods | 0 | - | 4.31 | 72,356 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,278 |
| Celtic Nations | 0 | - | 4.69 | 46,854 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,111 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,010 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,970 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,140 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,678 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,655 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,073 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,716 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,026 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,062 |
| German Groups of Things | 0 | - | 4.46 | 38,355 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,102 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,573 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,536 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,452 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,252 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,543 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,134 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,857 |
| States of Germany | 0 | - | 4.96 | 150,758 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,238 |
| Regions of Italy | 0 | - | 4.92 | 75,013 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,012 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,868 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,578 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,590 |
| Champions League Winners | 0 | - | 4.92 | 999,201 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,633 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,455 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,014 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,391 |
| Name a Valid African Country | 0 | - | 4.98 | 153,240 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,541 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,487 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,468 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,617 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,169 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,599 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,964 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,647 |
| Slavic Languages | 0 | - | 4.68 | 54,098 |
| Departments of France | 0 | - | 4.93 | 53,112 |
| Word Chain - France | 0 | - | 4.38 | 42,641 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,495 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,411 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,306 |
| British Groups of Things | 0 | - | 4.25 | 82,742 |
| British to American Food Translation | 0 | - | 3.38 | 51,891 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,980 |
| England or Wales? | 0 | - | 4.94 | 45,434 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,971 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,069 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,856 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,307 |
| Foods by Country of Origin #1 | 0 | - | 4.42 | 335,504 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,002 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,029 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,287 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,892 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,431 |
| History of Russia Quiz | 0 | - | 4.49 | 31,825 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,615 |
| French Foods | 0 | - | 4.00 | 27,619 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,609 |
| Name that Greek Letter | 0 | - | 4.94 | 322,205 |
| History of Italy | 0 | - | 4.55 | 31,870 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,349 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,534 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,510 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,051 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,518 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,951 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,491 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,624 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,702 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,151 |
| Countries by Milk Production | 0 | - | 4.54 | 43,723 |
| American Foods | 0 | - | 3.66 | 39,313 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,946 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,038 |
| Europe Map Quiz | 0 | - | 5.00 | 4,740,639 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,569 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,972 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,128 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,131 |
| Capitals of French Regions | 0 | - | 4.45 | 16,009 |
| Capitals of German States | 0 | - | 4.74 | 28,873 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,164 |
| Word Chain - Germany | 0 | - | 4.31 | 22,507 |
| The Trojan War | 0 | - | 4.83 | 39,513 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,953 |
| Word Chain - Italy | 0 | - | 4.07 | 23,122 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,192 |
| Roman Emperors | 0 | - | 4.95 | 118,887 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,319 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,864 |
| Geography of Spain | 0 | - | 4.59 | 22,003 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,267 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,871 |
| Name a Valid English City | 0 | - | 4.19 | 16,657 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,399 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,163 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,406 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,850 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,329 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,961 |
| Australian Capitals | 0 | - | 4.92 | 62,631 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,598 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,061 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,031 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,909 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,378 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,185 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,973 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,745 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,120 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,496 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,723 |
| Regions of France | 0 | - | 4.78 | 119,687 |
| France Immigration by Country | 0 | - | 4.72 | 76,103 |
| Famous Germans | 0 | - | 4.50 | 54,761 |
| Germany True or False? | 0 | - | 4.61 | 48,615 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,640 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,628 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,750 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,973 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,464 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,110 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,918 |
| Asia Map Quiz | 0 | - | 4.99 | 909,406 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,371 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,389 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,179 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,125 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,639 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,100 |
| African East Coast | 0 | - | 4.96 | 95,360 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,219 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,062 |
| Word Chain - Australia | 0 | - | 4.37 | 38,050 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,351 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,738 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,401 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,596 |
| European Physical Geography | 0 | - | 4.26 | 33,407 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,058 |
| Country Codes of Europe | 0 | - | 3.46 | 13,666 |
| The Only European Country ... | 0 | - | 4.91 | 214,701 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,045 |
| Geography of Russia | 0 | - | 4.57 | 21,459 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,828 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| Presidents of France | 0 | - | 4.25 | 23,949 |
| Geography of the French Empire | 0 | - | 4.45 | 26,976 |
| The French Revolution | 0 | - | 4.46 | 23,841 |
| France Multiple Choice | 0 | - | 4.38 | 40,667 |
| History of France | 0 | - | 4.59 | 56,445 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,411 |
| Ancient Greek Words | 0 | - | 4.93 | 110,966 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,751 |
| The Vikings! | 0 | - | 4.46 | 28,272 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,779 |
| The Portuguese Empire | 0 | - | 4.58 | 12,011 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,980 |
| American to British Word Translation | 0 | - | 4.13 | 137,640 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,780 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,368 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,435 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,687 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,877 |
| Champions League Top 4 | 0 | - | 4.77 | 134,557 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,979 |
| Sushi Translation | 0 | - | 4.08 | 13,914 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,513 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,381 |
| Countries of Africa | 0 | - | 5.00 | 2,516,175 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,002 |
| Australia Map Quiz | 0 | - | 4.94 | 342,970 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,651 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,237 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,502 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,098 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,857 |
