| European Countries by First 2 Letters | 0 | - | 4.95 | 526,750 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,688 |
| Official European Union Languages | 0 | - | 4.97 | 237,171 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,034 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,656 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,594 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,604 |
| Countries by National Anthem | 0 | - | 4.92 | 71,054 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,259 |
| Celtic Nations | 0 | - | 4.69 | 46,837 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,942 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,214 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,554 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,091 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,785 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,438 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,493 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,469 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,340 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,199 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,428 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,968 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,495 |
| States of Germany | 0 | - | 4.96 | 150,449 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,139 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,617 |
| Regions of Italy | 0 | - | 4.92 | 74,895 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,938 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,586 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,457 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,571 |
| Champions League Winners | 0 | - | 4.92 | 997,794 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,898 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,523 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,442 |
| Departments of France | 0 | - | 4.93 | 52,990 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| England or Wales? | 0 | - | 4.94 | 45,389 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,735 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,475 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,611 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,079 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,323 |
| Slavic Languages | 0 | - | 4.68 | 54,045 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,454 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,276 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,617 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,036 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,932 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,552 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,893 |
| Name that Greek Letter | 0 | - | 4.94 | 321,954 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,489 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,714 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,736 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,281 |
| History of Russia Quiz | 0 | - | 4.49 | 31,806 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,597 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,760 |
| History of Italy | 0 | - | 4.55 | 31,854 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,272 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,131 |
| Roman Emperors | 0 | - | 4.95 | 118,670 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,504 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,012 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,609 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,336 |
| Australian Capitals | 0 | - | 4.92 | 62,610 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,506 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,988 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,950 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,801 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,307 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,064 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,917 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,697 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,073 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,405 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,170 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,031 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,665 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,991 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,025 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,661 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,229 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,339 |
| Capitals of French Regions | 0 | - | 4.45 | 15,996 |
| Regions of France | 0 | - | 4.78 | 119,496 |
| France Immigration by Country | 0 | - | 4.72 | 76,037 |
| Famous Germans | 0 | - | 4.50 | 54,695 |
| German Groups of Things | 0 | - | 4.46 | 38,334 |
| Capitals of German States | 0 | - | 4.74 | 28,847 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,127 |
| Germany True or False? | 0 | - | 4.61 | 48,574 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,572 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,097 |
| Ancient Greek Words | 0 | - | 4.92 | 110,850 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,659 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,902 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,092 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,097 |
| Imagine Lyrics | 0 | - | 4.53 | 43,087 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,438 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,279 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,336 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,721 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Geography of Russia | 0 | - | 4.57 | 21,445 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,806 |
| History of Austria | 0 | - | 4.70 | 17,773 |
| Geography of the French Empire | 0 | - | 4.45 | 26,960 |
| The French Revolution | 0 | - | 4.46 | 23,814 |
| France Multiple Choice | 0 | - | 4.38 | 40,652 |
| History of France | 0 | - | 4.59 | 56,272 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,400 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,151 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,686 |
| The Vikings! | 0 | - | 4.46 | 28,260 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,742 |
| The Portuguese Empire | 0 | - | 4.54 | 12,004 |
| American to British Word Translation | 0 | - | 4.12 | 136,441 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,751 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,304 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,416 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,497 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,356 |
| Elton John Quiz | 0 | - | 4.48 | 18,415 |
| Champions League Top 4 | 0 | - | 4.77 | 134,170 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,044 |
| Asia Map Quiz | 0 | - | 4.99 | 908,236 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,477 |
| Countries of Africa | 0 | - | 5.00 | 2,512,338 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,943 |
| African East Coast | 0 | - | 4.96 | 95,195 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,068 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,960 |
| Australia Map Quiz | 0 | - | 4.94 | 342,766 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,117 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,463 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,340 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,329 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,643 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,295 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,733 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,967 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,372 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,561 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,237 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,984 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,342 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,443 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,821 |
| European Geography A-Z | 0 | - | 4.28 | 49,041 |
| Country Codes of Europe | 0 | - | 3.46 | 13,662 |
| The Only European Country ... | 0 | - | 4.91 | 214,284 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,824 |
| Austria... or Australia? | 0 | - | 4.68 | 103,950 |
| Presidents of France | 0 | - | 4.25 | 23,931 |
| Word Chain - France | 0 | - | 4.38 | 42,610 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,811 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,799 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,290 |
| Italian Foods | 0 | - | 4.31 | 72,288 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,035 |
| The Mafia Quiz | 0 | - | 4.46 | 23,217 |
| History of The Netherlands | 0 | - | 4.46 | 17,337 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,970 |
| Canary Islands | 0 | - | 4.61 | 17,419 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,234 |
| British Spellings | 0 | - | 4.07 | 99,285 |
| British Groups of Things | 0 | - | 4.25 | 82,718 |
| British Acronyms | 0 | - | 4.39 | 45,653 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,970 |
| British Monopoly Board | 0 | - | 4.52 | 41,067 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.56 | 93,388 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 46,635 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,720 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,600 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,660 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,978 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,462 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,509 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,479 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,823 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,681 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,419 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,611 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,337 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,731 |
| African Island Countries | 0 | - | 4.96 | 100,911 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,911 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,812 |
| Australian States and Territories | 0 | - | 4.96 | 141,085 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,057 |
| Australia True or False | 0 | - | 4.87 | 56,562 |
| Flags of North and South America | 0 | - | 4.99 | 368,362 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,217 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,281 |
