| European Countries by First 2 Letters | 0 | - | 4.96 | 488,438 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,400 |
| Official European Union Languages | 0 | - | 4.98 | 202,479 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,269 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 389,567 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,022 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,841 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,202 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,028 |
| Celtic Nations | 0 | - | 4.76 | 44,899 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,230 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,247 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 117,720 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,771 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,243 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,163 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,855 |
| Beatles Songs Quiz | 0 | - | 4.95 | 210,141 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,321 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 276,624 |
| Champions League Winners | 0 | - | 4.91 | 873,944 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,478 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,166 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 66,836 |
| Federal Subjects of Russia | 0 | - | 4.95 | 114,461 |
| France Immigration by Country | 0 | - | 4.81 | 69,543 |
| States of Germany | 0 | - | 4.93 | 125,438 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,519 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,835 |
| Counties of Ireland | 0 | - | 4.90 | 161,403 |
| Regions of Italy | 0 | - | 4.89 | 61,202 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,253 |
| England or Wales? | 0 | - | 4.93 | 40,616 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,484 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,665 |
| Word Scramble - European Countries | 0 | - | 4.71 | 114,569 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 88,132 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,073 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 248,808 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 144,706 |
| Slavic Languages | 0 | - | 4.63 | 49,095 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,813 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,183 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,003 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,930 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,560 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,995 |
| Wonderwall Lyrics | 0 | - | 4.22 | 69,120 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,770 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,150 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,323 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 588,248 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,715 |
| A Quiz About The Beatles | 0 | - | 4.57 | 43,195 |
| Europe Map Quiz | 0 | - | 5.00 | 4,324,121 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,293 |
| Capitals of German States | 0 | - | 4.70 | 27,333 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,242 |
| The Trojan War | 0 | - | 4.81 | 36,174 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,402 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,280 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,074 |
| Roman Emperors | 0 | - | 4.95 | 96,776 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,675 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,144 |
| British Acronyms | 0 | - | 4.41 | 43,538 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,118 |
| Imagine Lyrics | 0 | - | 4.49 | 40,053 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,350,916 |
| Asia Map Quiz | 0 | - | 4.99 | 793,412 |
| Africa Map Quiz | 0 | - | 5.00 | 1,950,983 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,288 |
| Australian Capitals | 0 | - | 4.92 | 60,990 |
| European Geography By Letter - A | 0 | - | 4.55 | 125,090 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,109 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,477 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,067 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,609 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,990 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,149 |
| European Geography By Letter - N | 0 | - | 4.42 | 93,982 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,838 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,375 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,858 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,530 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,136 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,304 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,609 |
| Regions of France | 0 | - | 4.63 | 101,667 |
| German Groups of Things | 0 | - | 4.43 | 36,154 |
| Germany True or False? | 0 | - | 4.63 | 44,801 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,420 |
| Olympian Gods Quiz | 0 | - | 4.96 | 459,356 |
| Name that Greek Letter | 0 | - | 4.94 | 297,246 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,196 |
| The Vikings! | 0 | - | 4.45 | 27,206 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,695 |
| The Portuguese Empire | 0 | - | 4.54 | 11,374 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,907 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,488 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,308 |
| Beatles Lyrics First Names | 0 | - | 4.32 | 31,905 |
| Beatles Songs by Synonyms | 0 | - | 4.65 | 36,096 |
| Champions League Top 4 | 0 | - | 4.76 | 108,193 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 80,873 |
| African East Coast | 0 | - | 4.97 | 85,016 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,604 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,973 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,476 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,347 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,036 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,713 |
| European Physical Geography | 0 | - | 4.20 | 32,024 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,067 |
| Country Codes of Europe | 0 | - | 3.34 | 12,810 |
| The Only European Country ... | 0 | - | 4.93 | 180,925 |
| History of Russia Quiz | 0 | - | 4.48 | 30,001 |
| Geography of Russia | 0 | - | 4.54 | 20,266 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,867 |
| History of Austria | 0 | - | 4.69 | 16,486 |
| Capitals of French Regions | 0 | - | 4.40 | 14,849 |
| Presidents of France | 0 | - | 4.23 | 20,419 |
| Geography of the French Empire | 0 | - | 4.49 | 25,520 |
| The French Revolution | 0 | - | 4.45 | 22,054 |
| France Multiple Choice | 0 | - | 4.40 | 38,847 |
| History of France Quiz | 0 | - | 4.55 | 39,865 |
| Ancient Greek Words | 0 | - | 4.90 | 98,397 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,053 |
| History of Italy | 0 | - | 4.49 | 29,910 |
| Countries by National Anthem | 0 | - | 4.95 | 62,023 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 402,152 |
| History of The Netherlands | 0 | - | 4.43 | 15,859 |
| Canary Islands | 0 | - | 4.61 | 16,604 |
| Switzerland Immigration by Country | 0 | - | 4.75 | 22,063 |
| British Spellings Quiz | 0 | - | 4.04 | 94,900 |
| British Groups of Things | 0 | - | 4.26 | 80,552 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,819 |
| British Monopoly Board | 0 | - | 4.51 | 39,360 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 36,523 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,287,505 |
| Countries of Africa | 0 | - | 5.00 | 2,192,837 |
| Australia Map Quiz | 0 | - | 4.95 | 321,298 |
| United States Map Quiz | 0 | - | 4.98 | 3,919,834 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 337,891 |
| European Geography By Letter - E | 0 | - | 4.21 | 105,960 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,695 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,326 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,540 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,170 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,860 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,079 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,913 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,536 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,204 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,235 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,048 |
| European Geography A-Z | 0 | - | 4.36 | 45,670 |
| Austria... or Australia? | 0 | - | 4.79 | 98,561 |
| Word Chain - France | 0 | - | 4.38 | 40,225 |
| Famous Germans | 0 | - | 4.39 | 35,286 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,629 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.46 | 89,313 |
| Famous Italians | 0 | - | 4.40 | 66,857 |
| Italian Foods | 0 | - | 4.25 | 64,903 |
| Countries Italy Declared War On | 0 | - | 4.79 | 40,200 |
| The Mafia Quiz | 0 | - | 4.47 | 21,708 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,728 |
| Roman Names for Places | 0 | - | 4.66 | 41,903 |
| Byzantine History | 0 | - | 4.87 | 26,387 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,755 |
| History of Spain Quiz | 0 | - | 4.33 | 19,657 |
| Languages of Spain | 0 | - | 4.35 | 21,490 |
| Real Madrid 2010's Starting XI | 0 | - | 4.86 | 52,713 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,513 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,142 |
| British Foods | 0 | - | 3.85 | 47,122 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,029 |
| British and American Word Differences | 0 | - | 2.66 | 44,465 |
| Counties of England | 0 | - | 4.97 | 697,525 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,422 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.52 | 87,200 |
| The Beatles Members | 0 | - | 4.20 | 22,014 |
| First Lines of Beatles Songs | 0 | - | 4.39 | 43,033 |
| Elton John Quiz | 0 | - | 4.33 | 13,097 |
| Bridges of London | 0 | - | 4.14 | 9,408 |
| British Sport Trivia | 0 | - | 4.29 | 19,333 |
| Famous Welsh People | 0 | - | 4.15 | 9,304 |
| Champions League All-Time Table | 0 | - | 4.15 | 119,464 |
| Champions League Top Goal Scorers | 0 | - | 4.24 | 179,665 |
| Flags of Asia Quiz | 0 | - | 4.99 | 529,607 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,960 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 141,858 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,611 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,557 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,960 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,476 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,372 |
| Countries of Asia with an Empty Map | 0 | - | 4.99 | 211,780 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,038 |
| Countries of the Middle East | 0 | - | 4.96 | 175,441 |
