| European Countries by First 2 Letters | 0 | - | 4.95 | 526,822 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,712 |
| Official European Union Languages | 0 | - | 4.97 | 237,210 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,062 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,738 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,606 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,614 |
| Countries by National Anthem | 0 | - | 4.92 | 71,064 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,261 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,951 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,274 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,632 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,104 |
| Ancient Greek Words | 0 | - | 4.92 | 110,870 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,491 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,533 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,979 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,484 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,359 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,465 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,004 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,541 |
| States of Germany | 0 | - | 4.96 | 150,515 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,164 |
| Regions of Italy | 0 | - | 4.92 | 74,919 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,950 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,609 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,475 |
| Champions League Winners | 0 | - | 4.92 | 998,053 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,212 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,628 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,575 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,966 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,577 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,497 |
| Departments of France | 0 | - | 4.93 | 53,017 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| England or Wales? | 0 | - | 4.94 | 45,400 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,786 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,480 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,102 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,382 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,948 |
| Slavic Languages | 0 | - | 4.68 | 54,057 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,561 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,012 |
| Name that Greek Letter | 0 | - | 4.94 | 322,000 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,462 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,279 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,493 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,717 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,622 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,038 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,772 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,307 |
| History of Russia Quiz | 0 | - | 4.49 | 31,809 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,599 |
| The Trojan War | 0 | - | 4.83 | 39,483 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,809 |
| History of Italy | 0 | - | 4.55 | 31,857 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,293 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,145 |
| Roman Emperors | 0 | - | 4.95 | 118,718 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,512 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,018 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,618 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,554 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,545 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,022 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,982 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,849 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,334 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,104 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,941 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,708 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,085 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,425 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,180 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,039 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,673 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,999 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,034 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,681 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,243 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,692 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,356 |
| Capitals of French Regions | 0 | - | 4.45 | 15,997 |
| Regions of France | 0 | - | 4.78 | 119,538 |
| France Immigration by Country | 0 | - | 4.72 | 76,045 |
| Famous Germans | 0 | - | 4.50 | 54,710 |
| German Groups of Things | 0 | - | 4.46 | 38,341 |
| Capitals of German States | 0 | - | 4.74 | 28,856 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,143 |
| Germany True or False? | 0 | - | 4.61 | 48,581 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,582 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,222 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,677 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,924 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,096 |
| British to American Food Translation | 0 | - | 3.38 | 51,881 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,112 |
| Imagine Lyrics | 0 | - | 4.53 | 43,093 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,361 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,446 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,621 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,505 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,721 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Geography of Russia | 0 | - | 4.57 | 21,449 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,809 |
| History of Austria | 0 | - | 4.70 | 17,774 |
| Geography of the French Empire | 0 | - | 4.45 | 26,962 |
| The French Revolution | 0 | - | 4.46 | 23,819 |
| France Multiple Choice | 0 | - | 4.38 | 40,654 |
| History of France | 0 | - | 4.59 | 56,314 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,401 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,483 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,244 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,697 |
| The Vikings! | 0 | - | 4.46 | 28,261 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,748 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| American to British Word Translation | 0 | - | 4.12 | 136,812 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,756 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,322 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,419 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,508 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,722 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,608 |
| Elton John Quiz | 0 | - | 4.48 | 18,416 |
| Champions League Top 4 | 0 | - | 4.77 | 134,242 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,231 |
| Asia Map Quiz | 0 | - | 4.99 | 908,448 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,482 |
| Countries of Africa | 0 | - | 5.00 | 2,512,981 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,968 |
| African East Coast | 0 | - | 4.96 | 95,224 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,109 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,992 |
| Australia Map Quiz | 0 | - | 4.94 | 342,802 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,576 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,532 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,357 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,392 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,693 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,329 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,762 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,997 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,521 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,584 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,258 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,004 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,350 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,447 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,571 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,874 |
| European Geography A-Z | 0 | - | 4.28 | 49,046 |
| Country Codes of Europe | 0 | - | 3.46 | 13,662 |
| The Only European Country ... | 0 | - | 4.91 | 214,362 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,883 |
| Austria... or Australia? | 0 | - | 4.68 | 103,966 |
| Presidents of France | 0 | - | 4.25 | 23,935 |
| Word Chain - France | 0 | - | 4.38 | 42,612 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,819 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,801 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,339 |
| Italian Foods | 0 | - | 4.31 | 72,294 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,045 |
| The Mafia Quiz | 0 | - | 4.46 | 23,221 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,972 |
| Canary Islands | 0 | - | 4.61 | 17,420 |
| Real Madrid 2010s Starting XI | 0 | - | 4.88 | 66,403 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,248 |
| British Spellings | 0 | - | 4.07 | 99,292 |
| British Groups of Things | 0 | - | 4.25 | 82,724 |
| British Acronyms | 0 | - | 4.39 | 45,659 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| British Monopoly Board | 0 | - | 4.52 | 41,071 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.56 | 93,399 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 46,640 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,702 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,362 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,463 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,514 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,665 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,856 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,702 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,448 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,627 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,368 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,778 |
| African Island Countries | 0 | - | 4.96 | 100,926 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,958 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,821 |
| Australian States and Territories | 0 | - | 4.96 | 141,103 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,063 |
