| European Countries by First 2 Letters | 0 | - | 4.95 | 527,366 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,801 |
| Official European Union Languages | 0 | - | 4.97 | 237,500 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,224 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,227 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,710 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,016 |
| Name that Greek Letter | 0 | - | 4.93 | 322,328 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,647 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,495 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,069 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,300 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,148 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,049 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,048 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,154 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,163 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,708 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,060 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,944 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,828 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,029 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,579 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,510 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,267 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,610 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,217 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,987 |
| States of Germany | 0 | - | 4.96 | 150,880 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,285 |
| Regions of Italy | 0 | - | 4.92 | 75,056 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,046 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,016 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,644 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,793 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,605 |
| Champions League Winners | 0 | - | 4.92 | 999,852 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,847 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,508 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,485 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,897 |
| Departments of France | 0 | - | 4.93 | 53,164 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| England or Wales? | 0 | - | 4.94 | 45,454 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,090 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,689 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,494 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,622 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,211 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,698 |
| Slavic Languages | 0 | - | 4.68 | 54,121 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,509 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,319 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,067 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,326 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Languages of Spain | 0 | - | 4.36 | 23,215 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,557 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,761 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,207 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,624 |
| The Trojan War | 0 | - | 4.83 | 39,534 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,035 |
| History of Italy | 0 | - | 4.55 | 31,880 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,386 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,228 |
| Roman Emperors | 0 | - | 4.95 | 119,045 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,545 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,690 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,004 |
| Australian Capitals | 0 | - | 4.92 | 62,642 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,636 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,093 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,070 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,943 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,414 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,251 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,001 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,780 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,389 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,554 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,408 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,097 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,740 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,043 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,088 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,769 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,501 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,770 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,136 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,438 |
| Capitals of French Regions | 0 | - | 4.45 | 16,011 |
| Regions of France | 0 | - | 4.78 | 119,764 |
| France Immigration by Country | 0 | - | 4.72 | 76,138 |
| Famous Germans | 0 | - | 4.50 | 54,796 |
| German Groups of Things | 0 | - | 4.46 | 38,368 |
| Capitals of German States | 0 | - | 4.74 | 28,884 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,176 |
| Germany True or False? | 0 | - | 4.61 | 48,632 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,674 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,884 |
| Ancient Greek Words | 0 | - | 4.93 | 111,018 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,803 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,005 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,128 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,763 |
| Imagine Lyrics | 0 | - | 4.53 | 43,124 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,322 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,775 |
| European Physical Geography | 0 | - | 4.26 | 33,412 |
| Geography of Russia | 0 | - | 4.57 | 21,463 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,836 |
| History of Austria | 0 | - | 4.70 | 17,792 |
| Geography of the French Empire | 0 | - | 4.45 | 26,983 |
| The French Revolution | 0 | - | 4.46 | 23,848 |
| France Multiple Choice | 0 | - | 4.38 | 40,673 |
| History of France | 0 | - | 4.59 | 56,503 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,418 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,805 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,784 |
| The Vikings! | 0 | - | 4.46 | 28,278 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,798 |
| The Portuguese Empire | 0 | - | 4.58 | 12,020 |
| American to British Word Translation | 0 | - | 4.13 | 137,999 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,386 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,441 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,549 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,435 |
| Elton John Quiz | 0 | - | 4.48 | 18,432 |
| Champions League Top 4 | 0 | - | 4.77 | 134,723 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,350 |
| Asia Map Quiz | 0 | - | 4.99 | 909,988 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,741 |
| Countries of Africa | 0 | - | 5.00 | 2,517,902 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,164 |
| African East Coast | 0 | - | 4.96 | 95,418 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,285 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Australia Map Quiz | 0 | - | 4.94 | 343,079 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,918 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,701 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,872 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,417 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,720 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,036 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,396 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,825 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,066 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,691 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,651 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,335 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,055 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,411 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,489 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,632 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,154 |
| European Geography A-Z | 0 | - | 4.28 | 49,091 |
| Country Codes of Europe | 0 | - | 3.46 | 13,667 |
| The Only European Country ... | 0 | - | 4.91 | 214,859 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,146 |
| Austria... or Australia? | 0 | - | 4.68 | 104,053 |
| Presidents of France | 0 | - | 4.25 | 23,958 |
| Word Chain - France | 0 | - | 4.38 | 42,661 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,853 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,642 |
| Italian Foods | 0 | - | 4.31 | 72,411 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,111 |
| The Mafia Quiz | 0 | - | 4.46 | 23,237 |
| History of The Netherlands | 0 | - | 4.46 | 17,351 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,984 |
| Canary Islands | 0 | - | 4.61 | 17,428 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,329 |
| British Spellings | 0 | - | 4.07 | 99,337 |
| British Groups of Things | 0 | - | 4.25 | 82,752 |
| British Acronyms | 0 | - | 4.39 | 45,684 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,986 |
| British Monopoly Board | 0 | - | 4.52 | 41,086 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.56 | 93,476 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 46,700 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,755 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,662 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,067 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,639 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,660 |
| Countries by National Anthem | 0 | - | 4.93 | 71,094 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,177 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,178 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,586 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,999 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,826 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,599 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,762 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,605 |
| African Island Countries | 0 | - | 4.96 | 101,071 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,278 |
