| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,628 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,635 |
| States of Germany | 0 | - | 4.95 | 153,918 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,507 |
| Regions of Italy | 0 | - | 4.92 | 76,640 |
| Italian Foods | 0 | - | 4.30 | 73,108 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,635 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,970 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,583 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,037 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,151 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,353 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,814 |
| Departments of France | 0 | - | 4.93 | 54,831 |
| German Groups of Things | 0 | - | 4.47 | 38,586 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,694 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,619 |
| England or Wales? | 0 | - | 4.94 | 45,884 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,005 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,493 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,547 |
| Official European Union Languages | 0 | - | 4.97 | 239,391 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,415 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,100 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,562 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,413 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,210 |
| Word Chain - France | 0 | - | 4.38 | 42,895 |
| History of The Netherlands | 0 | - | 4.46 | 17,524 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,989 |
| British Groups of Things | 0 | - | 4.25 | 82,969 |
| British to American Food Translation | 0 | - | 3.38 | 52,014 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,084 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,346 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,669 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,901 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,069 |
| Counties of England | 0 | - | 4.97 | 801,036 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,931 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,466 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,442 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,096 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,395 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,362 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,867 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,117 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,781 |
| Regions of France | 0 | - | 4.70 | 121,698 |
| France Immigration by Country | 0 | - | 4.70 | 76,821 |
| Famous Germans | 0 | - | 4.50 | 55,650 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,603 |
| Germany True or False? | 0 | - | 4.61 | 48,957 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,327 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,308 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,041 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,377 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,853 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,759 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,142 |
| Champions League Winners | 0 | - | 4.92 | 1,012,751 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,489 |
| Celtic Nations | 0 | - | 4.61 | 47,058 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,528 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,586 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,208 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,671 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,792 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,324 |
| French Foods | 0 | - | 4.00 | 27,752 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,497 |
| Word Chain - Germany | 0 | - | 4.31 | 22,657 |
| Word Chain - Italy | 0 | - | 4.07 | 23,205 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,805 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,305 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,353 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,637 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,253 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,381 |
| Name a Valid English City | 0 | - | 4.19 | 16,783 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,803 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,855 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,490 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,975 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,753 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,251 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,824 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,681 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,765 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,758 |
| European Geographic Groups of Four | 0 | - | 4.54 | 19,485 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,781 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,540 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,544 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,870 |
| Famous French People | 0 | - | 4.07 | 35,984 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,493 |
| Germany Country Quiz | 0 | - | 4.83 | 158,545 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,872 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,165 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,999 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,000 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,860 |
| The Mafia Quiz | 0 | - | 4.46 | 23,408 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,298 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,563 |
| Canary Islands | 0 | - | 4.62 | 17,508 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,558 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,246 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,699 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,947 |
| British Spellings | 0 | - | 4.06 | 99,551 |
| British Acronyms | 0 | - | 4.40 | 45,899 |
| UK Immigration by Country | 0 | - | 4.94 | 141,439 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,617 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,425 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,854 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,753 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,053 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,568 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,714 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,409 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,515 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,905 |
| Name a Valid African Country | 0 | - | 4.98 | 154,732 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,299 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,788 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,699 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,139 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,222 |
| Slavic Languages | 0 | - | 4.68 | 54,600 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,365 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,113 |
| France A-Z | 0 | - | 4.16 | 38,306 |
| French History Multiple Choice | 0 | - | 4.55 | 33,171 |
| History of Germany | 0 | - | 4.39 | 52,939 |
| The Trojan War | 0 | - | 4.83 | 39,928 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,509 |
| Name that Greek Letter | 0 | - | 4.93 | 324,618 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,643 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,701 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,456 |
| Roman Emperors | 0 | - | 4.95 | 120,843 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,549 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,709 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,585 |
| Switzerland A-Z | 0 | - | 4.45 | 25,738 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,000 |
| Malta Country Quiz | 0 | - | 4.81 | 31,197 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,349 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,313 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,531 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,331 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,610 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,829 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| Movies Set in France | 0 | - | 4.26 | 13,139 |
| French Inventions | 0 | - | 4.10 | 13,918 |
| History of Paris | 0 | - | 4.24 | 13,667 |
| Kings of France Quiz | 0 | - | 4.20 | 32,873 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,880 |
| Ancient Greek Words | 0 | - | 4.93 | 112,210 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,085 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,173 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,144 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Famous Nordic People | 0 | - | 4.34 | 20,234 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,462 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,131 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,627 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,373 |
| Geography of Spain | 0 | - | 4.59 | 22,147 |
| Robin Hood Quiz | 0 | - | 4.00 | 8,473 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,562 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,432 |
| People on Money - England | 0 | - | 4.29 | 16,634 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,791 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,533 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,652 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,993 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,653 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,350 |
| Countries by Milk Production | 0 | - | 4.54 | 44,159 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,621 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 120,987 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,498 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,999 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,676 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,996 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,820 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,335 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,554 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,241 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,757 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,172 |