| European Countries by First 2 Letters | 0 | - | 4.95 | 531,975 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,106 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,608 |
| Official European Union Languages | 0 | - | 4.97 | 239,522 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,511 |
| England or Wales? | 0 | - | 4.94 | 45,911 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,394 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,250 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,015 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,840 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,481 |
| Celtic Nations | 0 | - | 4.61 | 47,071 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,922 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,319 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,176 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,641 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,372 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,496 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,988 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,633 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,908 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,602 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,656 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,708 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,352 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,788 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,098 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,088 |
| States of Germany | 0 | - | 4.95 | 154,137 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,585 |
| Regions of Italy | 0 | - | 4.92 | 76,789 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,690 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,111 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,640 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,816 |
| Champions League Winners | 0 | - | 4.92 | 1,014,081 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,293 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,577 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,553 |
| Departments of France | 0 | - | 4.93 | 54,923 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,714 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,757 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,712 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,708 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,180 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,388 |
| Slavic Languages | 0 | - | 4.67 | 54,632 |
| Austria... or Australia? | 0 | - | 4.68 | 104,691 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,715 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,599 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,829 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,026 |
| French History Multiple Choice | 0 | - | 4.55 | 33,194 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,973 |
| Name that Greek Letter | 0 | - | 4.93 | 324,754 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,026 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,023 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,598 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,692 |
| History of Russia Quiz | 0 | - | 4.47 | 31,990 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,610 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,473 |
| The Trojan War | 0 | - | 4.83 | 39,944 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,752 |
| History of Italy | 0 | - | 4.55 | 32,117 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,238 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,513 |
| Roman Emperors | 0 | - | 4.95 | 120,976 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,791 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,401 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,285 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,390 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,118 |
| Australian Capitals | 0 | - | 4.92 | 62,811 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,718 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,094 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,188 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,105 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,754 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,111 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,877 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,393 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,611 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,319 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,290 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,463 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,123 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,415 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,385 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,226 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,458 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,673 |
| Capitals of French Regions | 0 | - | 4.45 | 16,159 |
| Regions of France | 0 | - | 4.70 | 121,847 |
| France Immigration by Country | 0 | - | 4.70 | 76,854 |
| Famous Germans | 0 | - | 4.50 | 55,711 |
| German Groups of Things | 0 | - | 4.47 | 38,606 |
| Capitals of German States | 0 | - | 4.74 | 29,046 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,511 |
| Germany True or False? | 0 | - | 4.61 | 48,978 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,366 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,196 |
| Ancient Greek Words | 0 | - | 4.93 | 112,298 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,233 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,260 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,659 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,387 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,692 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,547 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,777 |
| Imagine Lyrics | 0 | - | 4.53 | 43,510 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,318 |
| European Physical Geography | 0 | - | 4.26 | 33,581 |
| Geography of Russia | 0 | - | 4.57 | 21,583 |
| History of Austria | 0 | - | 4.70 | 17,962 |
| Geography of the French Empire | 0 | - | 4.45 | 27,201 |
| The French Revolution | 0 | - | 4.47 | 24,124 |
| France Multiple Choice | 0 | - | 4.39 | 40,821 |
| History of France | 0 | - | 4.61 | 57,506 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,548 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,256 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,440 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,328 |
| The Portuguese Empire | 0 | - | 4.58 | 12,096 |
| American to British Word Translation | 0 | - | 4.14 | 139,575 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,031 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,297 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,525 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,426 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,872 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,770 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,778 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,117 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,988 |
| Elton John Quiz | 0 | - | 4.49 | 18,513 |
| Champions League Top 4 | 0 | - | 4.77 | 138,462 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,392 |
| Asia Map Quiz | 0 | - | 4.99 | 923,614 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,635 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,170 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,326 |
| Australia Map Quiz | 0 | - | 4.95 | 345,873 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,633 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,574 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,859 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,428 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,870 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,823 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,133 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,930 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,638 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,326 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,962 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,380 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,434 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,842 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,718 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,826 |
| European Geography A-Z | 0 | - | 4.29 | 49,447 |
| Country Codes of Europe | 0 | - | 3.43 | 13,794 |
| The Only European Country ... | 0 | - | 4.91 | 218,528 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,242 |
| European Geographic Groups of Four | 0 | - | 4.54 | 19,804 |
| Famous French People | 0 | - | 4.07 | 36,027 |
| Presidents of France | 0 | - | 4.25 | 24,309 |
| Word Chain - France | 0 | - | 4.38 | 42,907 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,191 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,014 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,934 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,496 |
| Italian Foods | 0 | - | 4.30 | 73,172 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,581 |
| The Mafia Quiz | 0 | - | 4.46 | 23,417 |
| History of The Netherlands | 0 | - | 4.46 | 17,531 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,103 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,995 |
| British Spellings | 0 | - | 4.06 | 99,574 |
| British Groups of Things | 0 | - | 4.25 | 82,981 |
| British Acronyms | 0 | - | 4.40 | 45,909 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,090 |
| British Monopoly Board | 0 | - | 4.52 | 41,247 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,066 |
| Geography of Scotland | 0 | - | 4.63 | 21,713 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 94,226 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 47,121 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,172 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,102 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,763 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,509 |
| Countries of Africa | 0 | - | 5.00 | 2,554,582 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,683 |
| African East Coast | 0 | - | 4.96 | 96,610 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,453 |
| Countries by National Anthem | 0 | - | 4.92 | 71,377 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,886 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,458 |
| Australian States and Territories | 0 | - | 4.96 | 142,686 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
