| European Countries by First 2 Letters | 0 | - | 4.95 | 532,698 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,712 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,479 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,003 |
| States of Germany | 0 | - | 4.95 | 154,680 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,735 |
| Regions of Italy | 0 | - | 4.92 | 77,154 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,840 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,425 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,816 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,845 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,783 |
| Official European Union Languages | 0 | - | 4.97 | 239,892 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,714 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,088 |
| The Vikings! | 0 | - | 4.46 | 28,412 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,340 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,068 |
| History of Italy | 0 | - | 4.55 | 32,161 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,431 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,438 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,516 |
| Celtic Nations | 0 | - | 4.61 | 47,108 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,066 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,910 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,085 |
| Counties of England | 0 | - | 4.97 | 803,448 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,033 |
| Regions of France | 0 | - | 4.70 | 122,208 |
| France Immigration by Country | 0 | - | 4.70 | 76,963 |
| Famous Germans | 0 | - | 4.50 | 55,815 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Germany True or False? | 0 | - | 4.61 | 49,034 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,530 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,454 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,822 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,417 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,868 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,041 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,822 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,772 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,963 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,037 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,661 |
| History of Austria | 0 | - | 4.70 | 17,980 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,715 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,153 |
| France Multiple Choice | 0 | - | 4.39 | 40,857 |
| History of France | 0 | - | 4.61 | 57,664 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,874 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,564 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,405 |
| The Portuguese Empire | 0 | - | 4.58 | 12,113 |
| American to British Word Translation | 0 | - | 4.14 | 139,746 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,071 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,564 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,134 |
| Champions League Winners | 0 | - | 4.92 | 1,016,811 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,038 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,031 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,045 |
| Departments of France | 0 | - | 4.93 | 55,245 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| England or Wales? | 0 | - | 4.94 | 45,987 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,265 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,371 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,855 |
| Slavic Languages | 0 | - | 4.67 | 54,719 |
| Famous French People | 0 | - | 4.05 | 36,124 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,749 |
| Italian Foods | 0 | - | 4.30 | 73,313 |
| The Mafia Quiz | 0 | - | 4.46 | 23,442 |
| History of The Netherlands | 0 | - | 4.46 | 17,561 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,643 |
| Canary Islands | 0 | - | 4.62 | 17,544 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,097 |
| British Spellings | 0 | - | 4.06 | 99,614 |
| British Groups of Things | 0 | - | 4.26 | 83,029 |
| British Acronyms | 0 | - | 4.40 | 45,950 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,118 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,158 |
| Geography of Scotland | 0 | - | 4.63 | 21,750 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,988 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Geography of Germany | 0 | - | 4.35 | 17,294 |
| History of Germany | 0 | - | 4.39 | 52,984 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,316 |
| Name that Greek Letter | 0 | - | 4.93 | 325,094 |
| History of Spain | 0 | - | 4.23 | 21,167 |
| Languages of Spain | 0 | - | 4.36 | 23,452 |
| British to American Word Translation | 0 | - | 3.74 | 255,362 |
| British Foods by Description | 0 | - | 3.94 | 48,394 |
| British and American Word Differences | 0 | - | 2.63 | 46,933 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,231 |
| Bridges of London | 0 | - | 4.17 | 10,147 |
| British Sport Trivia | 0 | - | 4.39 | 20,537 |
| Famous Welsh People | 0 | - | 4.34 | 11,701 |
| Malta Country Quiz | 0 | - | 4.81 | 31,244 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,898 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,882 |
| Movies Set in France | 0 | - | 4.26 | 13,153 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,739 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Word Chain - Germany | 0 | - | 4.31 | 22,690 |
| The Trojan War | 0 | - | 4.83 | 40,015 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,042 |
| Word Chain - Italy | 0 | - | 4.07 | 23,225 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,168 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,626 |
| Roman Emperors | 0 | - | 4.95 | 121,298 |
| Famous Nordic People | 0 | - | 4.34 | 20,317 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,858 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,115 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,417 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,580 |
| People on Money - England | 0 | - | 4.29 | 16,647 |
| Name a Valid English City | 0 | - | 4.19 | 16,832 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,818 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,488 |
| Australian Capitals | 0 | - | 4.92 | 62,841 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,283 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,683 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,150 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,370 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,207 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,694 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,238 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,853 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,133 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,726 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,094 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,540 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,207 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,476 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,440 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,528 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,565 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,756 |
| Capitals of French Regions | 0 | - | 4.45 | 16,186 |
| Capitals of German States | 0 | - | 4.74 | 29,078 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,557 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,984 |
| Ancient Greek Words | 0 | - | 4.93 | 112,557 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,460 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,866 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,776 |
| European Physical Geography | 0 | - | 4.26 | 33,602 |
| Geography of Russia | 0 | - | 4.57 | 21,607 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,143 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,010 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,539 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,393 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,465 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,827 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,472 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,300 |
| Geography of the British Empire | 0 | - | 4.48 | 39,853 |
| Champions League Top 4 | 0 | - | 4.78 | 139,293 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,843 |
| Asia Map Quiz | 0 | - | 4.99 | 925,762 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,507 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,517 |
| Australia Map Quiz | 0 | - | 4.95 | 346,280 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,232 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,104 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,953 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,964 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,367 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,340 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,600 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,305 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,072 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,665 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,304 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,692 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,670 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,907 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,971 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,285 |
| European Geography A-Z | 0 | - | 4.29 | 49,495 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,261 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,642 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,310 |
| Austria... or Australia? | 0 | - | 4.67 | 104,785 |
| Presidents of France | 0 | - | 4.25 | 24,348 |
| French Foods | 0 | - | 4.00 | 27,780 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,250 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,054 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,983 |
| Italian Inventions | 0 | - | 3.81 | 18,478 |
| Countries Italy Declared War On | 0 | - | 4.70 | 46,408 |
