| England or Wales? | 0 | - | 4.94 | 46,093 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,775 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,261 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,911 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,146 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,623 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,888 |
| Official European Union Languages | 0 | - | 4.97 | 240,466 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,881 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,567 |
| Slavic Languages | 0 | - | 4.67 | 54,803 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,568 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,043 |
| Australia True or False | 0 | - | 4.87 | 57,248 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,172 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,340 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,765 |
| Germany True or False? | 0 | - | 4.61 | 49,089 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,533 |
| Italy True or False? | 0 | - | 4.42 | 47,672 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,863 |
| Champions League Winners | 0 | - | 4.92 | 1,018,626 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,543 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,262 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,934 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,307 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,235 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,034 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,181 |
| France Multiple Choice | 0 | - | 4.39 | 40,881 |
| States of Germany | 0 | - | 4.95 | 155,054 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,856 |
| Regions of Italy | 0 | - | 4.92 | 77,318 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,964 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,681 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,959 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,842 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,092 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,495 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,464 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,397 |
| Lithuania Country Quiz | 0 | - | 4.63 | 31,851 |
| Latvia Country Quiz | 0 | - | 4.77 | 32,260 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,322 |
| Departments of France | 0 | - | 4.93 | 55,464 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,795 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,591 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,065 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,813 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.72 | 142,490 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,616 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,848 |
| French History Multiple Choice | 0 | - | 4.55 | 33,285 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,696 |
| The Trojan War | 0 | - | 4.83 | 40,122 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,366 |
| Name that Greek Letter | 0 | - | 4.93 | 325,406 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,358 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,729 |
| Roman Emperors | 0 | - | 4.95 | 121,521 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,671 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,922 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,775 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,057 |
| History of Russia Quiz | 0 | - | 4.47 | 32,032 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,721 |
| Ancient Greek Words | 0 | - | 4.93 | 112,739 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 128,114 |
| History of Italy | 0 | - | 4.55 | 32,199 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,867 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,482 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,947 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,054 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,876 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,535 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,979 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,531 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,085 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,476 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,012 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,421 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,996 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,270 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,909 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,192 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,590 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,262 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,532 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,488 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,654 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,641 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,803 |
| Capitals of French Regions | 0 | - | 4.45 | 16,216 |
| Regions of France | 0 | - | 4.70 | 122,510 |
| France Immigration by Country | 0 | - | 4.70 | 77,041 |
| Famous Germans | 0 | - | 4.50 | 55,898 |
| German Groups of Things | 0 | - | 4.47 | 38,684 |
| Capitals of German States | 0 | - | 4.74 | 29,102 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,602 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,615 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,585 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,673 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,659 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,978 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,519 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,998 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,615 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,861 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,131 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,759 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,823 |
| Australian Capitals | 0 | - | 4.92 | 62,885 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,346 |
| European Geography By Letter - E | 0 | - | 4.25 | 122,167 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,862 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,521 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,317 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,843 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,492 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,837 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,765 |
| European Physical Geography | 0 | - | 4.26 | 33,623 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,961 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,078 |
| European Geography A-Z | 0 | - | 4.29 | 49,537 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,551 |
| Geography of Russia | 0 | - | 4.57 | 21,628 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Austria... or Australia? | 0 | - | 4.67 | 104,877 |
| Famous French People | 0 | - | 4.05 | 36,192 |
| Geography of the French Empire | 0 | - | 4.45 | 27,242 |
| Word Chain - France | 0 | - | 4.38 | 42,975 |
| The French Revolution | 0 | - | 4.47 | 24,175 |
| History of France | 0 | - | 4.61 | 57,765 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,581 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,303 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,081 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,089 |
| Figures from Greek Mythology | 0 | - | 4.92 | 194,514 |
| Italian Foods | 0 | - | 4.30 | 73,428 |
| Countries Italy Declared War On | 0 | - | 4.77 | 50,045 |
| The Mafia Quiz | 0 | - | 4.46 | 23,455 |
| Byzantine History | 0 | - | 4.91 | 29,065 |
| Byzantine Emperors | 0 | - | 4.93 | 14,673 |
| History of The Netherlands | 0 | - | 4.46 | 17,580 |
| The Vikings! | 0 | - | 4.46 | 28,433 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,453 |
| The Portuguese Empire | 0 | - | 4.58 | 12,120 |
| Canary Islands | 0 | - | 4.62 | 17,551 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,190 |
| American to British Word Translation | 0 | - | 4.14 | 139,872 |
| British Spellings | 0 | - | 4.06 | 99,642 |
| British Groups of Things | 0 | - | 4.26 | 83,050 |
| British Acronyms | 0 | - | 4.40 | 45,994 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,101 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,136 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,501 |
| British Monopoly Board | 0 | - | 4.52 | 41,301 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,509 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,238 |
| Geography of Scotland | 0 | - | 4.63 | 21,841 |
| Champions League Top 4 | 0 | - | 4.78 | 139,740 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,739 |
| Asia Map Quiz | 0 | - | 4.99 | 927,232 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,449 |
| Pasta... or Composer? | 0 | - | 4.64 | 26,895 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,648 |
| Australian States and Territories | 0 | - | 4.96 | 143,132 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,559 |
| Australia Map Quiz | 0 | - | 4.95 | 346,631 |
| Flags of North and South America | 0 | - | 4.99 | 378,497 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,100 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,028 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,931 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,015 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,798 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,003 |
| North America Map Quiz | 0 | - | 4.98 | 253,032 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,053 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,396 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,647 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,699 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,489 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,012 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,373 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,493 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,699 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,749 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,604 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,852 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,594 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,440 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,951 |
