| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,721 |
| Official European Union Languages | 0 | - | 4.97 | 239,780 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,634 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,483 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,691 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,447 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,692 |
| States of Germany | 0 | - | 4.95 | 154,458 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,683 |
| Regions of Italy | 0 | - | 4.92 | 77,055 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,792 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,306 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,753 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,841 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,848 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,056 |
| Slavic Languages | 0 | - | 4.68 | 54,689 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,310 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,055 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,830 |
| History of Italy | 0 | - | 4.55 | 32,143 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,368 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,818 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,423 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,976 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,559 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,503 |
| Celtic Nations | 0 | - | 4.61 | 47,094 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,018 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,739 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,721 |
| Regions of France | 0 | - | 4.70 | 122,076 |
| France Immigration by Country | 0 | - | 4.70 | 76,933 |
| Famous Germans | 0 | - | 4.50 | 55,787 |
| German Groups of Things | 0 | - | 4.47 | 38,632 |
| Germany True or False? | 0 | - | 4.61 | 49,020 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,463 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,369 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,752 |
| Languages of Spain | 0 | - | 4.36 | 23,437 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,405 |
| Counties of England | 0 | - | 4.97 | 802,836 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,813 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,617 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,072 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,738 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,252 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,869 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,757 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,759 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,974 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,467 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,637 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,786 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,520 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,014 |
| Champions League Winners | 0 | - | 4.92 | 1,016,030 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,748 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Geography of the French Empire | 0 | - | 4.45 | 27,216 |
| The French Revolution | 0 | - | 4.47 | 24,146 |
| France Multiple Choice | 0 | - | 4.39 | 40,847 |
| History of France | 0 | - | 4.61 | 57,603 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,559 |
| The Vikings! | 0 | - | 4.46 | 28,405 |
| The Portuguese Empire | 0 | - | 4.58 | 12,106 |
| American to British Word Translation | 0 | - | 4.14 | 139,685 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,834 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,892 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,906 |
| Famous French People | 0 | - | 4.07 | 36,102 |
| Departments of France | 0 | - | 4.93 | 55,152 |
| Word Chain - France | 0 | - | 4.38 | 42,935 |
| Italian Foods | 0 | - | 4.30 | 73,269 |
| The Mafia Quiz | 0 | - | 4.46 | 23,437 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,736 |
| History of The Netherlands | 0 | - | 4.46 | 17,551 |
| Canary Islands | 0 | - | 4.62 | 17,541 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,070 |
| British Spellings | 0 | - | 4.06 | 99,601 |
| British Groups of Things | 0 | - | 4.26 | 83,010 |
| British Acronyms | 0 | - | 4.40 | 45,939 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,106 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,113 |
| Geography of Scotland | 0 | - | 4.63 | 21,743 |
| England or Wales? | 0 | - | 4.94 | 45,967 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,109 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,741 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,719 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,320 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,899 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,936 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,082 |
| Geography of Germany | 0 | - | 4.35 | 17,284 |
| History of Germany | 0 | - | 4.39 | 52,970 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,862 |
| Name that Greek Letter | 0 | - | 4.93 | 324,969 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,737 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,626 |
| History of Spain | 0 | - | 4.23 | 21,164 |
| British to American Word Translation | 0 | - | 3.74 | 255,342 |
| British Foods by Description | 0 | - | 3.94 | 48,389 |
| British and American Word Differences | 0 | - | 2.63 | 46,928 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,221 |
| Bridges of London | 0 | - | 4.17 | 10,144 |
| British Sport Trivia | 0 | - | 4.39 | 20,528 |
| Famous Welsh People | 0 | - | 4.34 | 11,686 |
| Malta Country Quiz | 0 | - | 4.81 | 31,232 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,523 |
| History of Russia Quiz | 0 | - | 4.47 | 32,005 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,871 |
| Movies Set in France | 0 | - | 4.26 | 13,152 |
| French Inventions | 0 | - | 4.10 | 13,928 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,695 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Word Chain - Germany | 0 | - | 4.31 | 22,681 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,551 |
| The Trojan War | 0 | - | 4.83 | 39,986 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,946 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,532 |
| Word Chain - Italy | 0 | - | 4.07 | 23,222 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,162 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,585 |
| Roman Emperors | 0 | - | 4.95 | 121,187 |
| Famous Nordic People | 0 | - | 4.34 | 20,301 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,094 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,410 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,577 |
| People on Money - England | 0 | - | 4.29 | 16,644 |
| Name a Valid English City | 0 | - | 4.19 | 16,825 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,670 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,678 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,365 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,133 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,511 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,913 |
| European Geography By Letter - D | 0 | - | 4.48 | 116,846 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,046 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,489 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,111 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,591 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,036 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,577 |
| Europe Map Quiz | 0 | - | 5.00 | 4,787,857 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,523 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,175 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,459 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,427 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,423 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,534 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,739 |
| Capitals of French Regions | 0 | - | 4.45 | 16,178 |
| Capitals of German States | 0 | - | 4.74 | 29,072 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,543 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,709 |
| Ancient Greek Words | 0 | - | 4.93 | 112,450 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,567 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,303 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,789 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,676 |
| Top World Languages | 0 | - | 4.92 | 829,702 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,240 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,323 |
| Australian Capitals | 0 | - | 4.92 | 62,830 |
| European Physical Geography | 0 | - | 4.26 | 33,591 |
| Geography of Russia | 0 | - | 4.57 | 21,598 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,128 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,768 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,496 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,384 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,365 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,451 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,811 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,462 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,247 |
| Geography of the British Empire | 0 | - | 4.48 | 39,845 |
| Champions League Top 4 | 0 | - | 4.78 | 139,037 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,461 |
| Asia Map Quiz | 0 | - | 4.99 | 925,125 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,410 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,603 |
| Countries by Official Language | 0 | - | 4.95 | 195,987 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,345 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,617 |
| Countries in their Native Language | 0 | - | 4.99 | 199,730 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,938 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,459 |
| Australia Map Quiz | 0 | - | 4.95 | 346,159 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,172 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,923 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,915 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,775 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,219 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,180 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,458 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,180 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,942 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,558 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,196 |
