| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,028 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,527 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,744 |
| States of Germany | 0 | - | 4.96 | 150,216 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,077 |
| Regions of Italy | 0 | - | 4.92 | 74,796 |
| Italian Foods | 0 | - | 4.31 | 72,230 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,875 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,441 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,266 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,692 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,369 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,282 |
| Departments of France | 0 | - | 4.93 | 52,897 |
| German Groups of Things | 0 | - | 4.46 | 38,313 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,383 |
| England or Wales? | 0 | - | 4.94 | 45,351 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,621 |
| Official European Union Languages | 0 | - | 4.97 | 237,013 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,744 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,426 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,531 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,307 |
| Name that Greek Letter | 0 | - | 4.94 | 321,784 |
| 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 | 46,638 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,502 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,791 |
| The Trojan War | 0 | - | 4.83 | 39,456 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,776 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,636 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,579 |
| British Groups of Things | 0 | - | 4.25 | 82,702 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,953 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,410 |
| British to American Food Translation | 0 | - | 3.38 | 51,856 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,249 |
| Celtic Nations | 0 | - | 4.69 | 46,823 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,011 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,641 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,473 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,964 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,005 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,901 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,987 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,090 |
| Regions of France | 0 | - | 4.78 | 119,350 |
| France Immigration by Country | 0 | - | 4.72 | 75,995 |
| Famous Germans | 0 | - | 4.50 | 54,650 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,058 |
| Germany True or False? | 0 | - | 4.61 | 48,549 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,491 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,583 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,855 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,479 |
| 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 | 789,693 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,413 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,298 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,017 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,391 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,375 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,272 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,322 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,876 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,173 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,276 |
| French Foods | 0 | - | 4.00 | 27,597 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,785 |
| Word Chain - Germany | 0 | - | 4.31 | 22,481 |
| Word Chain - Italy | 0 | - | 4.07 | 23,094 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,299 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,074 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,170 |
| 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 | 997,024 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,423 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,366 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,884 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,173 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,561 |
| Greece Country Quiz | 0 | - | 4.74 | 65,791 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,722 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,252 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,537 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,154 |
| Name a Valid African Country | 0 | - | 4.98 | 153,014 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,249 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,416 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,028 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,325 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,295 |
| Germany Country Quiz | 0 | - | 4.82 | 156,658 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,228 |
| Italy Country Quiz | 0 | - | 4.82 | 122,295 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,461 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,150 |
| The Mafia Quiz | 0 | - | 4.46 | 23,212 |
| History of The Netherlands | 0 | - | 4.46 | 17,322 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,128 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,710 |
| Canary Islands | 0 | - | 4.61 | 17,407 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,006 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,189 |
| British Spellings | 0 | - | 4.07 | 99,259 |
| British Acronyms | 0 | - | 4.39 | 45,629 |
| UK Immigration by Country | 0 | - | 4.94 | 139,744 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,299 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,391 |
| Geography of Scotland | 0 | - | 4.63 | 21,491 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,589 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,786 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,623 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,109 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,116 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,457 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,605 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,033 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,167 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,871 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,027 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,149 |
| Slavic Languages | 0 | - | 4.67 | 54,008 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,423 |
| 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 | 52,625 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,611 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,951 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,454 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,443 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,419 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,261 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,167 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,563 |
| Switzerland A-Z | 0 | - | 4.45 | 25,515 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,464 |
| Malta Country Quiz | 0 | - | 4.81 | 30,848 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,899 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,638 |
| American Foods | 0 | - | 3.66 | 39,282 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,659 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,898 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,193 |
| History of Russia Quiz | 0 | - | 4.49 | 31,800 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,586 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,945 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,102 |
| Famous French People | 0 | - | 4.12 | 27,973 |
| Movies Set in France | 0 | - | 4.26 | 13,077 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| History of Paris | 0 | - | 4.24 | 13,619 |
| Mediterranean Foods | 0 | - | 3.80 | 11,394 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,994 |
| History of Italy | 0 | - | 4.55 | 31,832 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,211 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,047 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,086 |
| Roman Emperors | 0 | - | 4.95 | 118,566 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Famous Nordic People | 0 | - | 4.34 | 19,874 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,288 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,374 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,717 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,548 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,990 |
| Geography of Spain | 0 | - | 4.59 | 21,973 |
| 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 | 16,568 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,349 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,204 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,226 |
| 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 | 79,517 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,105 |
| Countries by Milk Production | 0 | - | 4.54 | 43,645 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,813 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,887 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,441 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,941 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,886 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,748 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,257 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,963 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,703 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,659 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,048 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,347 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,217 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,625 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,181 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,637 |
