| European Countries by First 2 Letters | 0 | - | 4.95 | 526,776 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,088 |
| Departments of France | 0 | - | 4.93 | 52,997 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| England or Wales? | 0 | - | 4.94 | 45,391 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,703 |
| Official European Union Languages | 0 | - | 4.97 | 237,191 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,050 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,690 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,559 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,745 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,774 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,137 |
| Roman Emperors | 0 | - | 4.95 | 118,684 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,602 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,609 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,943 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,242 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,575 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,093 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,490 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,457 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,512 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,883 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,260 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,610 |
| Champions League Winners | 0 | - | 4.92 | 997,911 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,476 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,351 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,443 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,983 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,514 |
| Countries Bordering France | 0 | - | 4.83 | 400,268 |
| States of Germany | 0 | - | 4.96 | 150,482 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,151 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,416 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,620 |
| Regions of Italy | 0 | - | 4.92 | 74,908 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,945 |
| The Vikings! | 0 | - | 4.46 | 28,260 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,594 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,469 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,309 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,573 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,206 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,928 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,546 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,463 |
| Austria... or Australia? | 0 | - | 4.68 | 103,956 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,401 |
| Germany Country Quiz | 0 | - | 4.82 | 156,799 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,332 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,813 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,801 |
| Italy Country Quiz | 0 | - | 4.82 | 122,400 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,569 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,254 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,037 |
| Finland Country Quiz | 0 | - | 4.50 | 59,213 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,205 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,792 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,140 |
| UK Immigration by Country | 0 | - | 4.94 | 139,863 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,459 |
| British Monopoly Board | 0 | - | 4.52 | 41,069 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,535 |
| Name the English Monarchs | 0 | - | 4.92 | 498,783 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,755 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,476 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,612 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,088 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,351 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,939 |
| Slavic Languages | 0 | - | 4.68 | 54,049 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,455 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,563 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,876 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,891 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,976 |
| France A-Z | 0 | - | 4.16 | 38,084 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,597 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,877 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,695 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,547 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,735 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,568 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,940 |
| Name that Greek Letter | 0 | - | 4.94 | 321,967 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,015 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,481 |
| Counties of Ireland | 0 | - | 4.92 | 193,440 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,458 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,533 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,979 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,540 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,571 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,730 |
| Roman Names for Places | 0 | - | 4.62 | 57,936 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,957 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,780 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,277 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,497 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,849 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,545 |
| Switzerland A-Z | 0 | - | 4.45 | 25,534 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,488 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,940 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,436 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,966 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,715 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,564 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,872 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,862 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,295 |
| History of Russia Quiz | 0 | - | 4.49 | 31,807 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,598 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,113 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,754 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,019 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,153 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,585 |
| Famous Irish People | 0 | - | 4.05 | 45,877 |
| History of Italy | 0 | - | 4.55 | 31,856 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,281 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,505 |
| Famous Nordic People | 0 | - | 4.34 | 19,910 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,704 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,296 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,014 |
| Geography of Spain | 0 | - | 4.59 | 21,985 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,847 |
| British Geography A-Z | 0 | - | 4.41 | 19,436 |
| Imagine Lyrics | 0 | - | 4.53 | 43,089 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,612 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,588 |
| London A-Z | 0 | - | 4.10 | 40,668 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,745 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,517 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,996 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,962 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,815 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,318 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,080 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,925 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,701 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,075 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,412 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,623 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,034 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,666 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,996 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,030 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,669 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,235 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,680 |
| Capitals of French Regions | 0 | - | 4.45 | 15,997 |
| Regions of France | 0 | - | 4.78 | 119,516 |
| France Immigration by Country | 0 | - | 4.72 | 76,042 |
| Kings of France Quiz | 0 | - | 4.20 | 32,583 |
| Famous Germans | 0 | - | 4.50 | 54,702 |
| German Groups of Things | 0 | - | 4.46 | 38,337 |
| Capitals of German States | 0 | - | 4.74 | 28,848 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,135 |
| Germany True or False? | 0 | - | 4.61 | 48,580 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,574 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,436 |
| Ancient Greek Words | 0 | - | 4.92 | 110,858 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,669 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,690 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,909 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,095 |
| British to American Food Translation | 0 | - | 3.38 | 51,879 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,100 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,308 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,443 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,417 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,501 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,358 |
| Elton John Quiz | 0 | - | 4.48 | 18,416 |
| Famous Scottish People | 0 | - | 4.22 | 18,339 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,356 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,427 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,398 |
| Australian Capitals | 0 | - | 4.92 | 62,610 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Geography of Russia | 0 | - | 4.57 | 21,446 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,808 |
| History of Austria | 0 | - | 4.70 | 17,773 |
| Austria Country Quiz | 0 | - | 4.57 | 59,420 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,339 |
| France Country Quiz | 0 | - | 4.70 | 134,003 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,961 |
| Geography of the French Empire | 0 | - | 4.45 | 26,960 |
| The French Revolution | 0 | - | 4.46 | 23,816 |
| France Multiple Choice | 0 | - | 4.38 | 40,653 |
| Tour de France Winners | 0 | - | 4.27 | 15,248 |
| History of France | 0 | - | 4.59 | 56,293 |
