| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,190 |
| Official European Union Languages | 0 | - | 4.97 | 238,623 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,941 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,815 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,382 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,077 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,804 |
| States of Germany | 0 | - | 4.95 | 152,773 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,121 |
| Regions of Italy | 0 | - | 4.92 | 76,001 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,253 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,079 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,257 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,713 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,415 |
| The Vikings! | 0 | - | 4.46 | 28,352 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,913 |
| Slavic Languages | 0 | - | 4.68 | 54,389 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,017 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,859 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,153 |
| History of Italy | 0 | - | 4.55 | 31,995 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,826 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,676 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,162 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,757 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,206 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,401 |
| Celtic Nations | 0 | - | 4.69 | 46,959 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,422 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,732 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,159 |
| Languages of Spain | 0 | - | 4.36 | 23,329 |
| Counties of England | 0 | - | 4.97 | 797,525 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,473 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,500 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,548 |
| Regions of France | 0 | - | 4.72 | 120,931 |
| France Immigration by Country | 0 | - | 4.70 | 76,567 |
| Famous Germans | 0 | - | 4.50 | 55,331 |
| German Groups of Things | 0 | - | 4.46 | 38,487 |
| Germany True or False? | 0 | - | 4.61 | 48,835 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,055 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,540 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,412 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,284 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,296 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,191 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,516 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,703 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,065 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,511 |
| History of Austria | 0 | - | 4.70 | 17,870 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,537 |
| Geography of the French Empire | 0 | - | 4.45 | 27,100 |
| The French Revolution | 0 | - | 4.47 | 23,991 |
| France Multiple Choice | 0 | - | 4.39 | 40,748 |
| History of France | 0 | - | 4.59 | 57,075 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,911 |
| Famous Nordic People | 0 | - | 4.34 | 20,139 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,157 |
| The Portuguese Empire | 0 | - | 4.58 | 12,070 |
| American to British Word Translation | 0 | - | 4.14 | 139,150 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,044 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,803 |
| Champions League Winners | 0 | - | 4.92 | 1,007,538 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,463 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,021 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,251 |
| Departments of France | 0 | - | 4.93 | 54,224 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,562 |
| England or Wales? | 0 | - | 4.94 | 45,728 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,508 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,614 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,661 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,749 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,110 |
| Famous French People | 0 | - | 4.07 | 35,647 |
| Word Chain - France | 0 | - | 4.38 | 42,793 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,632 |
| Italian Foods | 0 | - | 4.30 | 72,823 |
| The Mafia Quiz | 0 | - | 4.46 | 23,334 |
| History of The Netherlands | 0 | - | 4.46 | 17,443 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,488 |
| Canary Islands | 0 | - | 4.62 | 17,485 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,743 |
| British Spellings | 0 | - | 4.06 | 99,467 |
| British Groups of Things | 0 | - | 4.25 | 82,883 |
| British Acronyms | 0 | - | 4.40 | 45,811 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,044 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,848 |
| Geography of Scotland | 0 | - | 4.63 | 21,629 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,502 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,796 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,490 |
| Geography of Germany | 0 | - | 4.35 | 17,194 |
| History of Germany | 0 | - | 4.39 | 52,847 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,903 |
| Name that Greek Letter | 0 | - | 4.93 | 323,835 |
| History of Spain | 0 | - | 4.23 | 21,097 |
| British to American Word Translation | 0 | - | 3.74 | 255,112 |
| British Foods by Description | 0 | - | 3.94 | 48,332 |
| British and American Word Differences | 0 | - | 2.63 | 46,886 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,602 |
| Bridges of London | 0 | - | 4.17 | 10,112 |
| British Sport Trivia | 0 | - | 4.37 | 20,467 |
| Famous Welsh People | 0 | - | 4.31 | 11,518 |
| Malta Country Quiz | 0 | - | 4.81 | 31,075 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,560 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,336 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,266 |
| History of Russia Quiz | 0 | - | 4.47 | 31,930 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,747 |
| Movies Set in France | 0 | - | 4.26 | 13,124 |
| French Inventions | 0 | - | 4.08 | 13,900 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,254 |
| History of Paris | 0 | - | 4.24 | 13,655 |
| Word Chain - Germany | 0 | - | 4.31 | 22,593 |
| The Trojan War | 0 | - | 4.83 | 39,752 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,958 |
| Word Chain - Italy | 0 | - | 4.07 | 23,170 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,111 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,567 |
| Roman Emperors | 0 | - | 4.95 | 120,165 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,782 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,625 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,615 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,896 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,346 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,535 |
| People on Money - England | 0 | - | 4.29 | 16,617 |
| Name a Valid English City | 0 | - | 4.19 | 16,734 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,310 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,201 |
| Top World Languages | 0 | - | 4.92 | 822,820 |
| Australian Capitals | 0 | - | 4.92 | 62,733 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,418 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,703 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,127 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,753 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,617 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,796 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,635 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,933 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,781 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,071 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,523 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,303 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,303 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,968 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,251 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,250 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,670 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,484 |
| Capitals of French Regions | 0 | - | 4.45 | 16,085 |
| Capitals of German States | 0 | - | 4.74 | 28,971 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,357 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,155 |
| Ancient Greek Words | 0 | - | 4.93 | 111,700 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,443 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,822 |
| Countries by Official Language | 0 | - | 4.95 | 195,035 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,040 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,091 |
| Countries in their Native Language | 0 | - | 4.99 | 198,540 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,898 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,935 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,159 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,816 |
| European Physical Geography | 0 | - | 4.26 | 33,520 |
| Geography of Russia | 0 | - | 4.57 | 21,542 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,979 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,380 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,182 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,070 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,339 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,682 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,365 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,546 |
| Geography of the British Empire | 0 | - | 4.48 | 39,701 |
| Champions League Top 4 | 0 | - | 4.77 | 136,686 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,662 |
| Asia Map Quiz | 0 | - | 4.99 | 917,492 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,124 |
| Countries of Africa | 0 | - | 5.00 | 2,539,413 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,904 |
| African East Coast | 0 | - | 4.96 | 96,120 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,971 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,773 |
| Australia Map Quiz | 0 | - | 4.95 | 344,751 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,222 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,424 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,679 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,193 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,626 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,863 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,027 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,140 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,815 |
