| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,331 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,030 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 214,031 |
| States of Germany | 0 | - | 4.95 | 152,869 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,160 |
| Regions of Italy | 0 | - | 4.92 | 76,061 |
| Italian Foods | 0 | - | 4.30 | 72,841 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,290 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,144 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,293 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,579 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,108 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,336 |
| Departments of France | 0 | - | 4.93 | 54,271 |
| German Groups of Things | 0 | - | 4.46 | 38,495 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,565 |
| England or Wales? | 0 | - | 4.94 | 45,746 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,231 |
| Official European Union Languages | 0 | - | 4.97 | 238,696 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,980 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,563 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,810 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,140 |
| Name that Greek Letter | 0 | - | 4.93 | 323,977 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,035 |
| Word Chain - France | 0 | - | 4.38 | 42,798 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,276 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,103 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,034 |
| The Trojan War | 0 | - | 4.83 | 39,766 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,934 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,009 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| British Groups of Things | 0 | - | 4.25 | 82,888 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,046 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,225 |
| British to American Food Translation | 0 | - | 3.38 | 51,970 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,313 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,980 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,683 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,265 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,264 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,448 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,854 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,352 |
| Regions of France | 0 | - | 4.72 | 120,981 |
| France Immigration by Country | 0 | - | 4.70 | 76,594 |
| Famous Germans | 0 | - | 4.50 | 55,348 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,394 |
| Germany True or False? | 0 | - | 4.61 | 48,843 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,114 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,069 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,560 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,438 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,629 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,289 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,720 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,028 |
| Counties of England | 0 | - | 4.97 | 797,865 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,661 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,039 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,363 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,194 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,240 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,735 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,128 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,627 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,603 |
| French Foods | 0 | - | 4.00 | 27,710 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,969 |
| Word Chain - Germany | 0 | - | 4.31 | 22,599 |
| Word Chain - Italy | 0 | - | 4.07 | 23,171 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,858 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,064 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,868 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,349 |
| Name a Valid English City | 0 | - | 4.19 | 16,737 |
| Champions League Winners | 0 | - | 4.92 | 1,008,228 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,408 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,811 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,528 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,529 |
| Greece Country Quiz | 0 | - | 4.74 | 66,327 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,170 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,085 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,722 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,460 |
| Name a Valid African Country | 0 | - | 4.98 | 154,212 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,657 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,713 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,511 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,870 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,726 |
| Famous French People | 0 | - | 4.07 | 35,673 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,928 |
| Germany Country Quiz | 0 | - | 4.83 | 158,008 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,475 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,520 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,171 |
| The Mafia Quiz | 0 | - | 4.46 | 23,345 |
| History of The Netherlands | 0 | - | 4.46 | 17,449 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,016 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,788 |
| Canary Islands | 0 | - | 4.62 | 17,486 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,131 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,768 |
| British Spellings | 0 | - | 4.06 | 99,474 |
| British Acronyms | 0 | - | 4.40 | 45,819 |
| UK Immigration by Country | 0 | - | 4.94 | 141,024 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,993 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,792 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,879 |
| Geography of Scotland | 0 | - | 4.63 | 21,634 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,688 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,184 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,930 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,122 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,874 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,621 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,778 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,271 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,546 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,202 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,287 |
| Slavic Languages | 0 | - | 4.68 | 54,411 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,630 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,074 |
| France A-Z | 0 | - | 4.16 | 38,225 |
| French History Multiple Choice | 0 | - | 4.55 | 33,085 |
| History of Germany | 0 | - | 4.39 | 52,866 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,017 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,760 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,688 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,635 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,202 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,492 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,969 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,370 |
| Switzerland A-Z | 0 | - | 4.45 | 25,661 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,810 |
| Malta Country Quiz | 0 | - | 4.81 | 31,087 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,182 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,408 |
| American Foods | 0 | - | 3.66 | 39,390 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,639 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,155 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,197 |
| History of Russia Quiz | 0 | - | 4.47 | 31,939 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,758 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,944 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,247 |
| Movies Set in France | 0 | - | 4.26 | 13,124 |
| French Inventions | 0 | - | 4.08 | 13,900 |
| History of Paris | 0 | - | 4.24 | 13,655 |
| Mediterranean Foods | 0 | - | 3.80 | 11,454 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,160 |
| History of Italy | 0 | - | 4.55 | 32,019 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,854 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,116 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,592 |
| Roman Emperors | 0 | - | 4.95 | 120,211 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,691 |
| Famous Nordic People | 0 | - | 4.34 | 20,147 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,421 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,936 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,420 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,616 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,267 |
| Geography of Spain | 0 | - | 4.59 | 22,090 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,537 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,312 |
| People on Money - England | 0 | - | 4.29 | 16,620 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,402 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,030 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,612 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,873 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 90,097 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,293 |
| Countries by Milk Production | 0 | - | 4.54 | 44,029 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,980 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,221 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,457 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,830 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,148 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,780 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,640 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,844 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,657 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,956 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,806 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,100 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,552 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,800 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,695 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,504 |
| Capitals of French Regions | 0 | - | 4.45 | 16,090 |
| Kings of France Quiz | 0 | - | 4.20 | 32,768 |
