| European Countries by First 2 Letters | 0 | - | 4.96 | 457,385 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,620 |
| England or Wales? | 0 | - | 4.93 | 40,266 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,317 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 60,974 |
| Official European Union Languages | 0 | - | 4.98 | 200,483 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,979 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,425 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,728 |
| Roman Emperors | 0 | - | 4.95 | 95,946 |
| The Trojan War | 0 | - | 4.81 | 35,959 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,462 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,641 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,294 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,054 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,078 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,056 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,809 |
| Beatles Songs Quiz | 0 | - | 4.95 | 207,800 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,865 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,676 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,493 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,060 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,393 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 20,861 |
| UK Cities Map Quiz | 0 | - | 4.94 | 433,357 |
| Champions League Winners | 0 | - | 4.91 | 853,993 |
| Celtic Nations | 0 | - | 4.76 | 44,660 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,829 |
| The Vikings! | 0 | - | 4.44 | 27,110 |
| Regions of Spain Quiz | 0 | - | 4.85 | 95,041 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,346 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,910 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 270,509 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,743 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 65,779 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,558 |
| Countries Bordering France | 0 | - | 4.87 | 357,429 |
| States of Germany | 0 | - | 4.93 | 123,803 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,785 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,737 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,536 |
| Counties of Ireland | 0 | - | 4.89 | 159,221 |
| Regions of Italy | 0 | - | 4.88 | 60,504 |
| Finland Country Quiz | 0 | - | 4.48 | 52,970 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,276 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,339 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,608 |
| UK Immigration by Country | 0 | - | 4.95 | 125,271 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 118,825 |
| British Monopoly Board | 0 | - | 4.51 | 39,248 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 100,098 |
| English Monarchs Quiz | 0 | - | 4.91 | 447,235 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,551 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,850 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,905 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,064 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,890 |
| Austria... or Australia? | 0 | - | 4.79 | 98,049 |
| France Cities Map Quiz | 0 | - | 4.95 | 148,015 |
| Germany Country Quiz | 0 | - | 4.82 | 140,371 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 106,047 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,406 |
| Italy Country Quiz | 0 | - | 4.81 | 108,995 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 133,796 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 127,496 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,958 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,398 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,512 |
| Roman Names for Places | 0 | - | 4.66 | 41,520 |
| Greenland Country Quiz | 0 | - | 4.81 | 32,364 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,820 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,881 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,618 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,965 |
| Countries that Beat Spain | 0 | - | 4.95 | 55,851 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,784 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 62,643 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 104,081 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,529 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 222,152 |
| World Capitals Closest to London | 0 | - | 4.91 | 93,423 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 86,007 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,432 |
| Word Scramble - European Countries | 0 | - | 4.72 | 113,899 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,630 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,387 |
| Slavic Languages | 0 | - | 4.58 | 48,745 |
| Andorra Country Quiz | 0 | - | 4.87 | 27,903 |
| Countries Bordering Austria | 0 | - | 4.97 | 110,040 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 88,828 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,804 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,920 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,275 |
| Countries that Beat Germany | 0 | - | 4.87 | 70,270 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 52,125 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 584,546 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 55,891 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,663 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,801 |
| Countries Closest to Italy | 0 | - | 4.97 | 179,067 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,445 |
| Famous Nordic People | 0 | - | 4.40 | 10,678 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,775 |
| Most Common Last Names in Sweden | 0 | - | 4.41 | 14,091 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,702 |
| Geography of Spain | 0 | - | 4.52 | 20,351 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,289 |
| Imagine Lyrics | 0 | - | 4.49 | 39,824 |
| A Quiz About The Beatles | 0 | - | 4.57 | 42,841 |
| Sherlock Holmes Quiz | 0 | - | 4.48 | 20,759 |
| London A-Z | 0 | - | 4.19 | 38,492 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,211 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,103 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,107 |
| Ancient Greece A-Z | 0 | - | 4.65 | 20,749 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,329 |
| Geography of Ancient Greece | 0 | - | 4.77 | 30,016 |
| Name that Greek Letter | 0 | - | 4.94 | 295,998 |
| Famous Irish People | 0 | - | 4.01 | 44,462 |
| Italy Multiple Choice | 0 | - | 4.74 | 93,914 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,542 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,709 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,338 |
| Switzerland A-Z | 0 | - | 4.40 | 18,462 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 46,030 |
| British to American Food Translation. | 0 | - | 3.47 | 50,458 |
| British Acronyms | 0 | - | 4.42 | 43,374 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,227 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,455 |
| Beatles Lyrics First Names | 0 | - | 4.31 | 31,717 |
| Beatles Songs by Synonyms | 0 | - | 4.66 | 35,765 |
| Famous Scottish People | 0 | - | 4.19 | 17,508 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,435 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,863 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,496 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,665 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,021 |
| European Geography By Letter - D | 0 | - | 4.53 | 99,612 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,190 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,524 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,758 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,508 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,517 |
| Europe Map Quiz | 0 | - | 5.00 | 4,294,119 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,105 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,575 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,238 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,902 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 93,974 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,145 |
| Famous Swiss and Austrian People | 0 | - | 4.36 | 13,661 |
| Regions of France | 0 | - | 4.63 | 100,564 |
| France A-Z | 0 | - | 4.16 | 25,711 |
| France Immigration by Country | 0 | - | 4.80 | 68,987 |
| German Groups of Things | 0 | - | 4.43 | 35,978 |
| Capitals of German States | 0 | - | 4.71 | 27,201 |
| Chancellors of Germany, 1949–present | 0 | - | 4.55 | 18,968 |
| Germany True or False? | 0 | - | 4.63 | 44,491 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,793 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,454 |
| Ancient Greek Words | 0 | - | 4.90 | 97,521 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.46 | 88,653 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,139 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 399,673 |
| Monaco Country Quiz | 0 | - | 4.45 | 37,584 |
| Netherlands Country Quiz | 0 | - | 4.53 | 72,967 |
| Nordic Cities Map Quiz | 0 | - | 4.75 | 85,214 |
| Portugal Country Quiz | 0 | - | 4.66 | 64,903 |
| The Portuguese Empire | 0 | - | 4.54 | 11,341 |
| Spain Country Quiz | 0 | - | 4.44 | 115,009 |
| Spanish History A-Z | 0 | - | 4.30 | 11,292 |
| Switzerland Country Quiz | 0 | - | 4.54 | 57,167 |
| British Words Quiz #2 | 0 | - | 4.04 | 106,896 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,342 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.50 | 36,485 |
| Biggest British Empire Countries | 0 | - | 4.70 | 79,325 |
| Which Country of the United Kingdom? | 0 | - | 4.60 | 35,231 |
| British Geography A-Z | 0 | - | 4.39 | 17,958 |
| James Bond Movies | 0 | - | 4.65 | 143,702 |
| James Bond Trivia | 0 | - | 4.41 | 31,975 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.52 | 86,685 |
| Viva la Vida Lyrics | 0 | - | 4.40 | 36,243 |
| Counties of Wales | 0 | - | 4.61 | 33,525 |
| Champions League Top 4 | 0 | - | 4.79 | 105,256 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,345,290 |
| Asia Map Quiz | 0 | - | 4.99 | 785,577 |
| Africa Map Quiz | 0 | - | 5.00 | 1,939,547 |
| Oceania Map Quiz | 0 | - | 4.98 | 568,205 |
| Australian Capitals | 0 | - | 4.92 | 60,714 |
| European Physical Geography | 0 | - | 4.20 | 31,924 |
| History of Russia Quiz | 0 | - | 4.48 | 29,871 |
| Geography of Russia | 0 | - | 4.54 | 20,180 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,684 |
| History of Austria | 0 | - | 4.68 | 16,397 |
| Austria Country Quiz | 0 | - | 4.55 | 54,197 |
| Belgium Country Quiz | 0 | - | 4.66 | 64,593 |
| France Country Quiz | 0 | - | 4.76 | 121,301 |
| Biggest French Empire Countries | 0 | - | 4.45 | 51,366 |
| Geography of the French Empire | 0 | - | 4.49 | 25,415 |
