| European Countries by First 2 Letters | 0 | - | 4.96 | 457,940 |
| Official European Union Languages | 0 | - | 4.98 | 200,751 |
| European Countries in their Native Language | 0 | - | 4.99 | 144,136 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,998 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,710 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,389 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,081 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,883 |
| Celtic Nations | 0 | - | 4.76 | 44,679 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,791 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,832 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,383 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,452 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,905 |
| Regions of Spain Quiz | 0 | - | 4.86 | 95,228 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,449 |
| Beatles Songs Quiz | 0 | - | 4.95 | 208,336 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 274,224 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 271,718 |
| Champions League Winners | 0 | - | 4.91 | 856,739 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 61,071 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,892 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,900 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 65,981 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,928 |
| States of Germany | 0 | - | 4.93 | 124,121 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,927 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,593 |
| Counties of Ireland | 0 | - | 4.89 | 159,546 |
| Regions of Italy | 0 | - | 4.88 | 60,623 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,658 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,944 |
| England or Wales? | 0 | - | 4.93 | 40,337 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,856 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,473 |
| Word Scramble - European Countries | 0 | - | 4.72 | 114,031 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 86,133 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 201,355 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,491 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 143,222 |
| Slavic Languages | 0 | - | 4.58 | 48,810 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,730 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 245,178 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,466 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,477 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,775 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,885 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,579 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,395 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,148 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 585,189 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,073 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,793 |
| Roman Emperors | 0 | - | 4.95 | 96,144 |
| A Quiz About The Beatles | 0 | - | 4.57 | 42,905 |
| Europe Map Quiz | 0 | - | 5.00 | 4,301,585 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,121 |
| Capitals of German States | 0 | - | 4.71 | 27,230 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,648 |
| The Trojan War | 0 | - | 4.81 | 35,991 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,658 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,158 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,409 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,048 |
| British Acronyms | 0 | - | 4.41 | 43,419 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,588 |
| Imagine Lyrics | 0 | - | 4.49 | 39,880 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,594 |
| Asia Map Quiz | 0 | - | 4.99 | 787,549 |
| Africa Map Quiz | 0 | - | 5.00 | 1,942,030 |
| Oceania Map Quiz | 0 | - | 4.98 | 569,096 |
| Australian Capitals | 0 | - | 4.92 | 60,797 |
| European Geography By Letter - A | 0 | - | 4.55 | 124,585 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,724 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,083 |
| European Geography By Letter - D | 0 | - | 4.53 | 99,694 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,260 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,598 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,836 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,566 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,573 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,167 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,638 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,304 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,955 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,035 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,217 |
| Regions of France | 0 | - | 4.63 | 100,764 |
| France Immigration by Country | 0 | - | 4.80 | 69,099 |
| German Groups of Things | 0 | - | 4.43 | 36,005 |
| Germany True or False? | 0 | - | 4.63 | 44,548 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,943 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,723 |
| Name that Greek Letter | 0 | - | 4.94 | 296,267 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,822 |
| The Vikings! | 0 | - | 4.45 | 27,126 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,399 |
| The Portuguese Empire | 0 | - | 4.54 | 11,345 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,851 |
| British Words Quiz #2 | 0 | - | 4.03 | 106,939 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,370 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,008 |
| Beatles Lyrics First Names | 0 | - | 4.32 | 31,759 |
| Champions League Top 4 | 0 | - | 4.79 | 105,722 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 80,144 |
| African East Coast | 0 | - | 4.97 | 84,403 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,091 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,499 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,201 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,561 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,688 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,417 |
| European Physical Geography | 0 | - | 4.20 | 31,944 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,657 |
| Country Codes of Europe | 0 | - | 3.34 | 12,759 |
| The Only European Country ... | 0 | - | 4.94 | 179,067 |
| History of Russia Quiz | 0 | - | 4.48 | 29,900 |
| Geography of Russia | 0 | - | 4.54 | 20,199 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,709 |
| History of Austria | 0 | - | 4.68 | 16,413 |
| Capitals of French Regions | 0 | - | 4.40 | 14,788 |
| Presidents of France | 0 | - | 4.23 | 20,268 |
| Geography of the French Empire | 0 | - | 4.49 | 25,441 |
| The French Revolution | 0 | - | 4.45 | 21,954 |
| France Multiple Choice | 0 | - | 4.40 | 38,684 |
| History of France Quiz | 0 | - | 4.55 | 39,726 |
| Ancient Greek Words | 0 | - | 4.90 | 97,720 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,947 |
| History of Italy | 0 | - | 4.49 | 29,824 |
| Countries by National Anthem | 0 | - | 4.95 | 61,887 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 400,243 |
| History of The Netherlands | 0 | - | 4.42 | 15,788 |
| Canary Islands | 0 | - | 4.61 | 16,565 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,287 |
| British Spellings Quiz | 0 | - | 4.04 | 94,711 |
| British Groups of Things | 0 | - | 4.26 | 80,171 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,751 |
| British Monopoly Board | 0 | - | 4.51 | 39,274 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 36,322 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,282,909 |
| Countries of Africa | 0 | - | 5.00 | 2,173,682 |
| Australia Map Quiz | 0 | - | 4.95 | 320,090 |
| United States Map Quiz | 0 | - | 4.98 | 3,907,024 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 336,262 |
| European Geography By Letter - E | 0 | - | 4.21 | 105,579 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,401 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,027 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,235 |
| European Geography By Letter - I | 0 | - | 4.10 | 88,914 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,618 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,871 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,653 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,346 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,987 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,039 |
| European Geography By Letter - S #2 | 0 | - | 4.17 | 46,846 |
| European Geography A-Z | 0 | - | 4.37 | 45,471 |
| Word Chain - Russia | 0 | - | 4.41 | 14,828 |
| Austria... or Australia? | 0 | - | 4.79 | 98,138 |
| Word Chain - France | 0 | - | 4.38 | 40,049 |
| Famous Germans | 0 | - | 4.39 | 35,213 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,459 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.46 | 88,778 |
| Famous Italians | 0 | - | 4.40 | 66,409 |
| Italian Foods | 0 | - | 4.25 | 64,389 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,431 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,561 |
| Roman Names for Places | 0 | - | 4.66 | 41,606 |
| Byzantine History | 0 | - | 4.87 | 26,262 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,635 |
| History of Spain Quiz | 0 | - | 4.33 | 19,588 |
| Languages of Spain | 0 | - | 4.34 | 21,372 |
| Real Madrid 2010's Starting XI | 0 | - | 4.86 | 51,546 |
| British Words Quiz #1 | 0 | - | 3.78 | 236,217 |
| British Foods | 0 | - | 3.85 | 47,065 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,839 |
| British and American Word Differences | 0 | - | 2.66 | 44,411 |
| Counties of England | 0 | - | 4.96 | 692,134 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,350 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.52 | 86,807 |
| The Beatles Members | 0 | - | 4.20 | 21,885 |
| First Lines of Beatles Songs | 0 | - | 4.39 | 42,806 |
| Elton John Quiz | 0 | - | 4.33 | 13,070 |
| Bridges of London | 0 | - | 4.11 | 9,367 |
| British Sport Trivia | 0 | - | 4.32 | 19,273 |
| Famous Welsh People | 0 | - | 4.12 | 9,273 |
| Champions League All-Time Table | 0 | - | 4.16 | 117,280 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 167,266 |
| Flags of Asia Quiz | 0 | - | 4.99 | 525,667 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,328 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,807 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,846 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,721 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,192 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,774 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,822 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,639 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,327 |
| Countries of the Middle East | 0 | - | 4.96 | 173,987 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,103 |
