| European Countries by First 2 Letters | 0 | - | 4.96 | 509,296 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 65,127 |
| Official European Union Languages | 0 | - | 4.98 | 227,912 |
| European Countries in their Native Language | 0 | - | 4.99 | 151,121 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 409,211 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,982 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,677 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,132 |
| Countries by National Anthem | 0 | - | 4.92 | 69,870 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,321 |
| Celtic Nations | 0 | - | 4.74 | 45,995 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.84 | 83,964 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,495 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 144,158 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,018 |
| Ancient Greek Words | 0 | - | 4.92 | 105,327 |
| Beatles Songs Quiz | 0 | - | 4.96 | 223,172 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 283,265 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,825 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 65,635 |
| Category Elimination - European Geography #3 | 0 | - | 4.83 | 73,829 |
| Federal Subjects of Russia | 0 | - | 4.93 | 129,581 |
| States of Germany | 0 | - | 4.94 | 138,022 |
| Germany Immigration by Country | 0 | - | 4.86 | 75,578 |
| Counties of Ireland | 0 | - | 4.89 | 175,668 |
| Regions of Italy | 0 | - | 4.91 | 67,945 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,014 |
| Regions of Spain Quiz | 0 | - | 4.89 | 104,584 |
| Cantons of Switzerland | 0 | - | 4.97 | 45,342 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 309,460 |
| Champions League Winners | 0 | - | 4.91 | 947,414 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,350 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,328 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,549 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 217,534 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 263,055 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 155,515 |
| Departments of France | 0 | - | 4.88 | 44,643 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,155 |
| England or Wales? | 0 | - | 4.94 | 43,266 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 120,744 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,221 |
| Word Scramble - European Countries | 0 | - | 4.74 | 135,542 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 103,379 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 61,305 |
| Slavic Languages | 0 | - | 4.65 | 51,729 |
| French Geography Quiz #1 | 0 | - | 4.87 | 33,098 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 614,889 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,566 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,066 |
| Wonderwall Lyrics | 0 | - | 4.24 | 71,363 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 45,532 |
| Twelve Days of Christmas Quiz | 0 | - | 4.47 | 142,384 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.54 | 73,862 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 257,872 |
| Top European Languages on a Map | 0 | - | 4.78 | 125,934 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,572 |
| The Trojan War | 0 | - | 4.81 | 37,800 |
| Name that Greek Letter | 0 | - | 4.94 | 310,904 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 102,737 |
| Italy Multiple Choice | 0 | - | 4.74 | 99,525 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,077 |
| Roman Emperors | 0 | - | 4.96 | 109,462 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,560 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,173 |
| A Quiz About The Beatles | 0 | - | 4.55 | 45,674 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 268,218 |
| European Geography By Letter - A | 0 | - | 4.62 | 128,679 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,466 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,740 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,495 |
| European Geography By Letter - L | 0 | - | 4.52 | 108,923 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,023 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,300 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,760 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,188 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,546 |
| Europe Map Quiz | 0 | - | 5.00 | 4,551,244 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,406 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 69,963 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,488 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,701 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 96,843 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 98,317 |
| Capitals of French Regions | 0 | - | 4.42 | 15,494 |
| Regions of France | 0 | - | 4.70 | 111,108 |
| France Immigration by Country | 0 | - | 4.77 | 73,283 |
| Famous Germans | 0 | - | 4.44 | 39,968 |
| German Groups of Things | 0 | - | 4.46 | 37,417 |
| Capitals of German States | 0 | - | 4.73 | 28,180 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,004 |
| Germany True or False? | 0 | - | 4.63 | 46,824 |
| Largest Islands of Greece | 0 | - | 4.58 | 44,398 |
| Olympian Gods Quiz | 0 | - | 4.96 | 471,575 |
| Famous Italians | 0 | - | 4.41 | 70,577 |
| Roman History Vocabulary | 0 | - | 4.43 | 56,571 |
| Provinces of the Netherlands | 0 | - | 4.75 | 37,171 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,160 |
| British to American Food Translation. | 0 | - | 3.40 | 51,280 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 97,806 |
| Imagine Lyrics | 0 | - | 4.49 | 41,733 |
| Beatles Songs by Synonyms | 0 | - | 4.70 | 38,387 |
| Christmas Song Lyrics | 0 | - | 4.23 | 67,581 |
| Africa Map Quiz | 0 | - | 5.00 | 2,033,570 |
| Oceania Map Quiz | 0 | - | 4.98 | 604,569 |
| Australian Capitals | 0 | - | 4.92 | 61,867 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,493 |
| European Physical Geography | 0 | - | 4.24 | 32,762 |
| History of Russia Quiz | 0 | - | 4.48 | 31,091 |
| Geography of Russia | 0 | - | 4.56 | 20,889 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,854 |
| History of Austria | 0 | - | 4.69 | 17,148 |
| Geography of the French Empire | 0 | - | 4.51 | 26,186 |
| The French Revolution | 0 | - | 4.45 | 22,849 |
| France Multiple Choice | 0 | - | 4.37 | 39,920 |
| History of France Quiz | 0 | - | 4.56 | 41,683 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,815 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,255 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.50 | 93,290 |
| History of Italy | 0 | - | 4.52 | 31,033 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 418,166 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,730 |
| The Vikings! | 0 | - | 4.46 | 27,783 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,909 |
| The Portuguese Empire | 0 | - | 4.54 | 11,699 |
| Languages of the United Kingdom | 0 | - | 4.13 | 39,784 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,650 |
| Beatles Lyrics First Names | 0 | - | 4.35 | 33,271 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 38,386 |
| Champions League Top 4 | 0 | - | 4.62 | 122,265 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,398,824 |
| Asia Map Quiz | 0 | - | 4.99 | 855,344 |
| First Lines of Christmas Songs | 0 | - | 4.28 | 147,067 |
| Countries of Africa | 0 | - | 5.00 | 2,354,694 |
| African East Coast | 0 | - | 4.96 | 90,331 |
| Western Africa Map Quiz | 0 | - | 4.97 | 68,002 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,729 |
| Australia Map Quiz | 0 | - | 4.94 | 333,486 |
| United States Map Quiz | 0 | - | 4.98 | 4,051,851 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,722 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 89,424 |
| Countries That Use the Euro | 0 | - | 4.93 | 75,778 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 350,880 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,176 |
| European Geography By Letter - F | 0 | - | 4.18 | 88,811 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,323 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,519 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,013 |
| European Geography By Letter - K | 0 | - | 4.15 | 66,870 |
| European Geography By Letter - O | 0 | - | 4.29 | 59,901 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,629 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,102 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,007 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,719 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 104,358 |
| European Geography A-Z | 0 | - | 4.31 | 47,492 |
| Country Codes of Europe | 0 | - | 3.40 | 13,264 |
| The Only European Country ... | 0 | - | 4.92 | 197,741 |
| Austria... or Australia? | 0 | - | 4.73 | 101,530 |
| Presidents of France | 0 | - | 4.24 | 22,186 |
| Word Chain - France | 0 | - | 4.37 | 41,588 |
| Ancient Greek Trivia | 0 | - | 4.56 | 65,282 |
| Figures from Greek Mythology | 0 | - | 4.90 | 175,977 |
| Italian Foods | 0 | - | 4.30 | 68,901 |
| The Mafia Quiz | 0 | - | 4.46 | 22,557 |
| History of The Netherlands | 0 | - | 4.45 | 16,565 |
| Famous Nordic People | 0 | - | 4.41 | 10,958 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,531 |
| Canary Islands | 0 | - | 4.61 | 17,019 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 60,233 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 26,143 |
| British Spellings Quiz | 0 | - | 4.07 | 97,681 |
| British Groups of Things | 0 | - | 4.25 | 81,926 |
| British Acronyms | 0 | - | 4.39 | 44,722 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,407 |
| British Monopoly Board | 0 | - | 4.51 | 40,312 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.54 | 90,610 |
| First Lines of Beatles Songs | 0 | - | 4.35 | 45,009 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 89,553 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,339,294 |
| Christmas Carol Lyrics | 0 | - | 4.21 | 11,755 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,501 |
| Flags of Africa Quiz | 0 | - | 5.00 | 425,558 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 25,298 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 208,371 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 111,308 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 154,740 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 128,838 |
| Top African Languages on a Map | 0 | - | 4.92 | 64,574 |
| African Island Countries | 0 | - | 4.96 | 95,928 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 234,067 |
| Australian States and Territories | 0 | - | 4.96 | 135,771 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,494 |
| Australia True or False | 0 | - | 4.87 | 54,639 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,687 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,222 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 138,419 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 119,336 |
| South America Map Quiz | 0 | - | 5.00 | 1,491,272 |
| Countries of North America Quiz | 0 | - | 5.00 | 952,982 |
