| Regions of Italy | 0 | - | 4.90 | 66,881 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,997 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,639 |
| States of Germany | 0 | - | 4.94 | 136,151 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,909 |
| Counties of Ireland | 0 | - | 4.88 | 173,617 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,610 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,527 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,701 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 189,901 |
| Departments of France | 0 | - | 4.88 | 43,204 |
| Italy Country Quiz | 0 | - | 4.83 | 115,981 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 141,222 |
| England or Wales? | 0 | - | 4.94 | 42,938 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,626 |
| Official European Union Languages | 0 | - | 4.98 | 226,280 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,341 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,614 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,551 |
| Roman Emperors | 0 | - | 4.96 | 108,344 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,493 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,411 |
| Italian Foods | 0 | - | 4.30 | 68,407 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,892 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,484 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 297,023 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,477 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,693 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,751 |
| Counties of England | 0 | - | 4.97 | 741,434 |
| Wonderwall Lyrics | 0 | - | 4.24 | 71,031 |
| Beatles Songs Quiz | 0 | - | 4.96 | 221,695 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 282,281 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,092 |
| Celtic Nations | 0 | - | 4.75 | 45,835 |
| Regions of France | 0 | - | 4.70 | 109,527 |
| France Immigration by Country | 0 | - | 4.78 | 72,767 |
| Famous Germans | 0 | - | 4.43 | 38,777 |
| German Groups of Things | 0 | - | 4.45 | 37,250 |
| Germany True or False? | 0 | - | 4.62 | 46,543 |
| Largest Islands of Greece | 0 | - | 4.58 | 43,883 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,867 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,254 |
| Provinces of the Netherlands | 0 | - | 4.74 | 36,675 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,015 |
| UK Cities Map Quiz | 0 | - | 4.95 | 448,322 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 96,824 |
| The UK for Americans - True or False | 0 | - | 4.46 | 56,747 |
| Champions League Winners | 0 | - | 4.91 | 938,616 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,075 |
| Category Elimination - European Geography #3 | 0 | - | 4.83 | 72,813 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,642 |
| Regions of France Map Quiz | 0 | - | 4.96 | 134,978 |
| States of Germany Map Quiz | 0 | - | 4.91 | 126,106 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,027 |
| History of Italy | 0 | - | 4.50 | 30,905 |
| Embarrassing Chapters in Italian History | 0 | - | 4.21 | 11,610 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,609 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 88,642 |
| Counties of England Map Quiz | 0 | - | 4.97 | 296,503 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,002 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,396 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 305,051 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,032 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 215,160 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 261,099 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,903 |
| France Cities Map Quiz | 0 | - | 4.95 | 156,637 |
| Word Chain - France | 0 | - | 4.37 | 41,389 |
| Germany Country Quiz | 0 | - | 4.82 | 148,762 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 112,185 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,056 |
| Figures from Greek Mythology | 0 | - | 4.90 | 174,970 |
| Famous Italians | 0 | - | 4.40 | 70,081 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 144,582 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,575 |
| The Mafia Quiz | 0 | - | 4.46 | 22,438 |
| Byzantine History | 0 | - | 4.87 | 27,400 |
| History of The Netherlands | 0 | - | 4.44 | 16,461 |
| Famous Nordic People | 0 | - | 4.41 | 10,918 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 91,097 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 177,177 |
| Canary Islands | 0 | - | 4.61 | 16,955 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 100,644 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 25,662 |
| British Spellings Quiz | 0 | - | 4.07 | 97,057 |
| British Groups of Things | 0 | - | 4.25 | 81,792 |
| British Acronyms | 0 | - | 4.39 | 44,580 |
| UK Immigration by Country | 0 | - | 4.94 | 132,434 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,320 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 128,633 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 108,471 |
| English Monarchs in Order by First Letter | 0 | - | 4.41 | 28,064 |
| Geography of Scotland | 0 | - | 4.62 | 20,532 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 119,324 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,016 |
| Word Scramble - European Countries | 0 | - | 4.74 | 134,447 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 101,232 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,678 |
| Slavic Languages | 0 | - | 4.68 | 51,353 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,851 |
| Andorra Country Quiz | 0 | - | 4.88 | 29,683 |
| Famous Dutch and Belgian People | 0 | - | 4.53 | 17,333 |
| France A-Z | 0 | - | 4.18 | 37,023 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 43,079 |
| History of Germany | 0 | - | 4.38 | 51,236 |
| The Trojan War | 0 | - | 4.81 | 37,481 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 611,224 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,524 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,447 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,484 |
| Countries that Beat Italy | 0 | - | 4.85 | 50,356 |
| Countries Closest to Italy | 0 | - | 4.97 | 188,142 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 36,685 |
| Geography of the Roman Empire | 0 | - | 4.56 | 50,060 |
| Roman Names for Places | 0 | - | 4.65 | 44,230 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 55,765 |
| Spanish Immigration by Country | 0 | - | 4.62 | 53,832 |
| Most Common First Names in Spain | 0 | - | 4.26 | 44,604 |
| Countries of Iberia in History with a Map | 0 | - | 4.86 | 37,691 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 80,812 |
| Switzerland A-Z | 0 | - | 4.45 | 19,230 |
| Most Common Surnames in the UK | 0 | - | 4.20 | 67,798 |
| Fictional Characters from Great Britain | 0 | - | 4.13 | 31,655 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 45,315 |
| Top European Languages on a Map | 0 | - | 4.78 | 125,023 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,406 |
| Famous French People | 0 | - | 4.12 | 24,545 |
| Movies Set in France | 0 | - | 4.24 | 12,814 |
| French Inventions | 0 | - | 4.08 | 13,582 |
| France Multiple Choice | 0 | - | 4.41 | 39,765 |
| History of Paris | 0 | - | 4.24 | 13,263 |
| Word Chain - Germany | 0 | - | 4.32 | 21,846 |
| Geography of Ancient Greece | 0 | - | 4.77 | 30,880 |
| Name that Greek Letter | 0 | - | 4.94 | 309,255 |
| Famous Ancient Romans | 0 | - | 4.68 | 82,471 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 112,916 |
| Most Popular Types of Pasta | 0 | - | 3.93 | 30,316 |
| Italian Inventions | 0 | - | 3.86 | 18,186 |
| Word Chain - Italy | 0 | - | 4.07 | 22,605 |
| Italy Multiple Choice | 0 | - | 4.71 | 98,981 |
| Roman History Vocabulary | 0 | - | 4.43 | 56,407 |
| The Life of Julius Caesar | 0 | - | 4.47 | 32,959 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,414 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,120 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,021 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 28,691 |
| The British Royal Family - Modern Times | 0 | - | 4.15 | 21,062 |
| People on Money - England | 0 | - | 4.34 | 16,270 |
| Name a Valid English City | 0 | - | 4.19 | 15,988 |
| Imagine Lyrics | 0 | - | 4.49 | 41,533 |
| A Quiz About The Beatles | 0 | - | 4.55 | 45,374 |
| Elton John Quiz | 0 | - | 4.37 | 13,455 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,483 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,297 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,132 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,430 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,171 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,355 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,694 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,023 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,512 |
| European Geography By Letter - R | 0 | - | 4.41 | 89,936 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,328 |
| Europe Map Quiz | 0 | - | 5.00 | 4,517,284 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,109 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 69,656 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,237 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,490 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,594 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 65,297 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 23,130 |
| Famous Swiss and Austrian People | 0 | - | 4.39 | 14,032 |
| Capitals of French Regions | 0 | - | 4.42 | 15,398 |
| French History Multiple Choice | 0 | - | 4.55 | 31,528 |
| Capitals of German States | 0 | - | 4.70 | 28,060 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 21,809 |
| Country Quiz on a Map - Germany | 0 | - | 4.93 | 30,921 |
| Ancient Greek Words | 0 | - | 4.92 | 104,470 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.50 | 92,848 |
| Serie A Champions | 0 | - | 4.28 | 54,821 |
| Seven Hills of Rome | 0 | - | 4.69 | 8,808 |
| British to American Food Translation. | 0 | - | 3.40 | 51,193 |
| Things British People Know that Americans Don't | 0 | - | 4.23 | 50,157 |
| Beatles Lyrics First Names | 0 | - | 4.35 | 33,120 |
| Beatles Songs by Synonyms | 0 | - | 4.70 | 38,094 |
| Famous Scottish People | 0 | - | 4.20 | 17,835 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,418 |
| Africa Map Quiz | 0 | - | 5.00 | 2,021,935 |
| Oceania Map Quiz | 0 | - | 4.98 | 599,799 |
| Australian Capitals | 0 | - | 4.92 | 61,792 |
| European Physical Geography | 0 | - | 4.23 | 32,665 |
| History of Russia Quiz | 0 | - | 4.48 | 30,966 |
| Geography of Russia | 0 | - | 4.56 | 20,799 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,742 |
| History of Austria | 0 | - | 4.69 | 17,053 |
| Austria Country Quiz | 0 | - | 4.56 | 56,894 |
| Belgium Country Quiz | 0 | - | 4.64 | 67,970 |
| France Country Quiz | 0 | - | 4.71 | 128,014 |
| Biggest French Empire Countries | 0 | - | 4.50 | 63,385 |
