| European Countries by First 2 Letters | 0 | - | 4.96 | 457,365 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 60,969 |
| Official European Union Languages | 0 | - | 4.98 | 200,460 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,967 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,385 |
| Celtic Nations | 0 | - | 4.76 | 44,656 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,637 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,283 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,052 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 20,859 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,667 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,465 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,036 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,389 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,844 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,533 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,817 |
| Regions of Spain Quiz | 0 | - | 4.85 | 95,027 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,344 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,417 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,846 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,735 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,540 |
| States of Germany | 0 | - | 4.93 | 123,785 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,776 |
| Counties of Ireland | 0 | - | 4.89 | 159,208 |
| Regions of Italy | 0 | - | 4.88 | 60,493 |
| Champions League Winners | 0 | - | 4.91 | 853,883 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,876 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,431 |
| Word Scramble - European Countries | 0 | - | 4.72 | 113,893 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,607 |
| Slavic Languages | 0 | - | 4.58 | 48,744 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,617 |
| England or Wales? | 0 | - | 4.93 | 40,262 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,538 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,871 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,056 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,441 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,697 |
| Australian Capitals | 0 | - | 4.92 | 60,704 |
| Europe Map Quiz | 0 | - | 5.00 | 4,293,674 |
| Country Codes of Europe | 0 | - | 3.34 | 12,746 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,201 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,382 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,098 |
| Capitals of German States | 0 | - | 4.71 | 27,199 |
| Chancellors of Germany, 1949–present | 0 | - | 4.55 | 18,838 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,137 |
| Italy Multiple Choice | 0 | - | 4.74 | 93,905 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,725 |
| Roman Emperors | 0 | - | 4.95 | 95,930 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,336 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 46,028 |
| British Acronyms | 0 | - | 4.42 | 43,373 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,447 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,345,147 |
| Asia Map Quiz | 0 | - | 4.99 | 785,489 |
| Africa Map Quiz | 0 | - | 5.00 | 1,939,406 |
| Oceania Map Quiz | 0 | - | 4.98 | 568,157 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,488 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,657 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,014 |
| European Geography By Letter - D | 0 | - | 4.53 | 99,603 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,183 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,514 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,751 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,504 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,514 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,103 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,571 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,238 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,901 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 93,969 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,077 |
| Regions of France | 0 | - | 4.63 | 100,553 |
| France Immigration by Country | 0 | - | 4.80 | 68,980 |
| German Groups of Things | 0 | - | 4.43 | 35,975 |
| Germany True or False? | 0 | - | 4.63 | 44,486 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,768 |
| The Trojan War | 0 | - | 4.81 | 35,957 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 584,491 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,450 |
| The Vikings! | 0 | - | 4.44 | 27,109 |
| The Portuguese Empire | 0 | - | 4.54 | 11,341 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,835 |
| British Words Quiz #2 | 0 | - | 4.04 | 106,893 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,339 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 79,888 |
| African East Coast | 0 | - | 4.97 | 84,232 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,924 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,329 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,130 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,395 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,650 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,006 |
| European Physical Geography | 0 | - | 4.20 | 31,922 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,271 |
| The Only European Country ... | 0 | - | 4.94 | 178,530 |
| History of Russia Quiz | 0 | - | 4.48 | 29,869 |
| Geography of Russia | 0 | - | 4.54 | 20,177 |
| History of Austria | 0 | - | 4.68 | 16,396 |
| Capitals of French Regions | 0 | - | 4.40 | 14,769 |
| Presidents of France | 0 | - | 4.23 | 20,228 |
| Geography of the French Empire | 0 | - | 4.49 | 25,413 |
| The French Revolution | 0 | - | 4.45 | 21,922 |
| France Multiple Choice | 0 | - | 4.40 | 38,599 |
| Name that Greek Letter | 0 | - | 4.94 | 295,973 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,914 |
| History of Italy | 0 | - | 4.49 | 29,793 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,311 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,903 |
| Champions League Top 4 | 0 | - | 4.79 | 105,229 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,281,458 |
| Countries of Africa | 0 | - | 5.00 | 2,168,060 |
| Australia Map Quiz | 0 | - | 4.95 | 319,688 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,857 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,681 |
| History of France Quiz | 0 | - | 4.55 | 39,688 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,307 |
| Canary Islands | 0 | - | 4.61 | 16,562 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,083 |
| British Spellings Quiz | 0 | - | 4.04 | 94,669 |
| British Groups of Things | 0 | - | 4.26 | 80,144 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,736 |
| Beatles Songs Quiz | 0 | - | 4.95 | 207,750 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,848 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,779 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,500 |
| United States Map Quiz | 0 | - | 4.98 | 3,902,621 |
| European Geography By Letter - E | 0 | - | 4.21 | 105,512 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,344 |
| European Geography By Letter - H | 0 | - | 4.31 | 88,957 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,169 |
| European Geography By Letter - I | 0 | - | 4.10 | 88,863 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,567 |
| European Geography By Letter - O | 0 | - | 4.28 | 57,825 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,602 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,305 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,951 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 59,980 |
| European Geography By Letter - S #2 | 0 | - | 4.17 | 46,807 |
| European Geography A-Z | 0 | - | 4.37 | 45,414 |
| Word Chain - Russia | 0 | - | 4.41 | 14,820 |
| Word Chain - France | 0 | - | 4.38 | 39,999 |
| Famous Germans | 0 | - | 4.39 | 35,192 |
| Ancient Greek Words | 0 | - | 4.90 | 97,505 |
| Famous Italians | 0 | - | 4.40 | 66,275 |
| Italian Foods | 0 | - | 4.25 | 64,245 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 399,645 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,701 |
| History of Spain Quiz | 0 | - | 4.33 | 19,573 |
| Languages of Spain | 0 | - | 4.34 | 21,344 |
| British Words Quiz #1 | 0 | - | 3.78 | 236,143 |
| British Foods | 0 | - | 3.85 | 47,049 |
| British and American Word Differences | 0 | - | 2.66 | 44,402 |
| Counties of England | 0 | - | 4.96 | 690,585 |
| British Monopoly Board | 0 | - | 4.51 | 39,248 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,334 |
| Bridges of London | 0 | - | 4.11 | 9,358 |
| British Sport Trivia | 0 | - | 4.32 | 19,256 |
| Famous Welsh People | 0 | - | 4.12 | 9,271 |
| Flags of Asia Quiz | 0 | - | 4.99 | 524,528 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,209 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,651 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,728 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,574 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,017 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,615 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,694 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,347 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,229 |
| Countries of the Middle East | 0 | - | 4.96 | 173,497 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,065 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,707 |
| Flags of Africa Quiz | 0 | - | 4.99 | 386,644 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,663 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,688 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,867 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,369 |
| Top African Languages on a Map | 0 | - | 4.92 | 53,088 |
| African Island Countries | 0 | - | 4.96 | 89,348 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 223,027 |
| Australian States and Territories | 0 | - | 4.96 | 129,022 |
| Australia Country Quiz | 0 | - | 4.43 | 57,533 |
| Australia True or False | 0 | - | 4.90 | 51,387 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,037 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,282 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,716 |
| South America Map Quiz | 0 | - | 5.00 | 1,420,246 |
| Countries of North America Quiz | 0 | - | 5.00 | 879,819 |
| North America Map Quiz | 0 | - | 4.98 | 198,585 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,075 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 584,816 |
| Canada Geography Trivia | 0 | - | 4.81 | 44,814 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 47,072 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,328 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,044,759 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,184,575 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,512 |
