| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,024 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,516 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,722 |
| States of Germany | 0 | - | 4.96 | 150,205 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,073 |
| Regions of Italy | 0 | - | 4.92 | 74,795 |
| Italian Foods | 0 | - | 4.31 | 72,230 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,869 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,438 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,264 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,671 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,346 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,267 |
| Departments of France | 0 | - | 4.93 | 52,884 |
| German Groups of Things | 0 | - | 4.46 | 38,311 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,381 |
| England or Wales? | 0 | - | 4.94 | 45,350 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,613 |
| Official European Union Languages | 0 | - | 4.97 | 237,003 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,736 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,410 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,530 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,262 |
| Name that Greek Letter | 0 | - | 4.94 | 321,780 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,560 |
| Word Chain - France | 0 | - | 4.38 | 42,587 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,631 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,495 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,788 |
| The Trojan War | 0 | - | 4.83 | 39,455 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,776 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,630 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,577 |
| British Groups of Things | 0 | - | 4.25 | 82,701 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,952 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,398 |
| British to American Food Translation | 0 | - | 3.38 | 51,855 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,249 |
| Celtic Nations | 0 | - | 4.69 | 46,821 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,010 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,639 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,423 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,964 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,004 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,892 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,968 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,077 |
| Regions of France | 0 | - | 4.78 | 119,344 |
| France Immigration by Country | 0 | - | 4.72 | 75,989 |
| Famous Germans | 0 | - | 4.50 | 54,648 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Germany True or False? | 0 | - | 4.61 | 48,542 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,487 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,580 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,855 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,478 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,071 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,455 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,926 |
| Counties of England | 0 | - | 4.97 | 789,640 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,411 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,248 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,016 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,387 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,366 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,268 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,312 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,860 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,142 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,269 |
| French Foods | 0 | - | 4.00 | 27,597 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,780 |
| Word Chain - Germany | 0 | - | 4.31 | 22,480 |
| Word Chain - Italy | 0 | - | 4.07 | 23,093 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,284 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,072 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,167 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,244 |
| Name a Valid English City | 0 | - | 4.19 | 16,633 |
| Champions League Winners | 0 | - | 4.92 | 996,942 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,416 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,365 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,881 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,172 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,559 |
| Greece Country Quiz | 0 | - | 4.74 | 65,788 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,721 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,247 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,535 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,144 |
| Name a Valid African Country | 0 | - | 4.98 | 153,002 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,246 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,413 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,007 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,321 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,279 |
| Germany Country Quiz | 0 | - | 4.82 | 156,647 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,211 |
| Italy Country Quiz | 0 | - | 4.82 | 122,287 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,456 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,141 |
| The Mafia Quiz | 0 | - | 4.46 | 23,212 |
| History of The Netherlands | 0 | - | 4.46 | 17,321 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,119 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,709 |
| Canary Islands | 0 | - | 4.61 | 17,407 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,998 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,180 |
| British Spellings | 0 | - | 4.07 | 99,255 |
| British Acronyms | 0 | - | 4.39 | 45,629 |
| UK Immigration by Country | 0 | - | 4.94 | 139,739 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,284 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,382 |
| Geography of Scotland | 0 | - | 4.63 | 21,491 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,580 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,776 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,618 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,102 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,107 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,456 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,605 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,030 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,145 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,866 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,019 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,144 |
| Slavic Languages | 0 | - | 4.67 | 54,006 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,421 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,558 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,965 |
| France A-Z | 0 | - | 4.16 | 38,067 |
| French History Multiple Choice | 0 | - | 4.55 | 32,884 |
| History of Germany | 0 | - | 4.39 | 52,624 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,607 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,945 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,452 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,441 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,417 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,261 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,166 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,562 |
| Switzerland A-Z | 0 | - | 4.45 | 25,513 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,463 |
| Malta Country Quiz | 0 | - | 4.81 | 30,844 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,898 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,629 |
| American Foods | 0 | - | 3.66 | 39,282 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,652 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,892 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,187 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,585 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,938 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,102 |
| Famous French People | 0 | - | 4.12 | 27,970 |
| Movies Set in France | 0 | - | 4.26 | 13,077 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| History of Paris | 0 | - | 4.24 | 13,617 |
| Mediterranean Foods | 0 | - | 3.80 | 11,393 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,993 |
| History of Italy | 0 | - | 4.55 | 31,830 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,209 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,046 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,081 |
| Roman Emperors | 0 | - | 4.95 | 118,557 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Famous Nordic People | 0 | - | 4.34 | 19,872 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,288 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,371 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,709 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,548 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,990 |
| Geography of Spain | 0 | - | 4.59 | 21,972 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,474 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,817 |
| People on Money - England | 0 | - | 4.29 | 16,567 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,348 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,189 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,224 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,466 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,553 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,512 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,105 |
| Countries by Milk Production | 0 | - | 4.54 | 43,643 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,813 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,886 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,435 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,937 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,880 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,743 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,252 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,953 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,699 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,657 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,043 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,342 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,039 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,620 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,175 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,632 |
