| Germany Multiple Choice | 0 | - | 4.84 | 54,535 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,945 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,023 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,256 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,085 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,067 |
| States of Germany | 0 | - | 4.95 | 153,608 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,375 |
| Regions of Italy | 0 | - | 4.92 | 76,444 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,524 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,705 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,498 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,774 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,418 |
| Official European Union Languages | 0 | - | 4.97 | 239,134 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,255 |
| Germany True or False? | 0 | - | 4.61 | 48,921 |
| England or Wales? | 0 | - | 4.94 | 45,833 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,601 |
| France Multiple Choice | 0 | - | 4.39 | 40,787 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,159 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,873 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,798 |
| History of Italy | 0 | - | 4.55 | 32,086 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,752 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,328 |
| Australia True or False | 0 | - | 4.87 | 57,003 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,451 |
| Celtic Nations | 0 | - | 4.69 | 47,021 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,738 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,726 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,985 |
| Counties of England | 0 | - | 4.97 | 799,963 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,965 |
| Regions of France | 0 | - | 4.70 | 121,450 |
| France Immigration by Country | 0 | - | 4.70 | 76,737 |
| Famous Germans | 0 | - | 4.50 | 55,585 |
| German Groups of Things | 0 | - | 4.46 | 38,556 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,206 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,925 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,568 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,367 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,527 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,773 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,232 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,487 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,640 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,543 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,483 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,325 |
| History of Austria | 0 | - | 4.70 | 17,928 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,999 |
| Geography of the French Empire | 0 | - | 4.45 | 27,174 |
| The French Revolution | 0 | - | 4.47 | 24,083 |
| History of France | 0 | - | 4.61 | 57,360 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,352 |
| The Vikings! | 0 | - | 4.46 | 28,378 |
| The Portuguese Empire | 0 | - | 4.58 | 12,088 |
| American to British Word Translation | 0 | - | 4.14 | 139,418 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,974 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,250 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,372 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,397 |
| Champions League Winners | 0 | - | 4.92 | 1,011,176 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,574 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,756 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,010 |
| Departments of France | 0 | - | 4.93 | 54,640 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,645 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,272 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,669 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,967 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,895 |
| Slavic Languages | 0 | - | 4.68 | 54,527 |
| Famous French People | 0 | - | 4.07 | 35,928 |
| Word Chain - France | 0 | - | 4.38 | 42,868 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,685 |
| Italian Foods | 0 | - | 4.30 | 73,019 |
| The Mafia Quiz | 0 | - | 4.46 | 23,394 |
| History of The Netherlands | 0 | - | 4.46 | 17,502 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,541 |
| Canary Islands | 0 | - | 4.62 | 17,501 |
| British Spellings | 0 | - | 4.06 | 99,530 |
| British Groups of Things | 0 | - | 4.25 | 82,933 |
| British Acronyms | 0 | - | 4.40 | 45,874 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,067 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,001 |
| Geography of Scotland | 0 | - | 4.63 | 21,680 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,695 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,935 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,519 |
| Geography of Germany | 0 | - | 4.35 | 17,219 |
| History of Germany | 0 | - | 4.39 | 52,918 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,703 |
| Name that Greek Letter | 0 | - | 4.93 | 324,373 |
| History of Spain | 0 | - | 4.23 | 21,133 |
| Languages of Spain | 0 | - | 4.36 | 23,368 |
| British to American Word Translation | 0 | - | 3.74 | 255,210 |
| British Foods by Description | 0 | - | 3.94 | 48,351 |
| British and American Word Differences | 0 | - | 2.63 | 46,906 |
| British Geography Quiz #2 | 0 | - | 4.29 | 28,104 |
| Bridges of London | 0 | - | 4.17 | 10,127 |
| British Sport Trivia | 0 | - | 4.37 | 20,491 |
| Famous Welsh People | 0 | - | 4.31 | 11,596 |
| Malta Country Quiz | 0 | - | 4.81 | 31,144 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,492 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,471 |
| History of Russia Quiz | 0 | - | 4.47 | 31,972 |
| Movies Set in France | 0 | - | 4.26 | 13,135 |
| French Inventions | 0 | - | 4.10 | 13,911 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,452 |
| History of Paris | 0 | - | 4.24 | 13,665 |
| Word Chain - Germany | 0 | - | 4.31 | 22,641 |
| The Trojan War | 0 | - | 4.83 | 39,864 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,431 |
| Word Chain - Italy | 0 | - | 4.07 | 23,200 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,136 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,144 |
| Roman Emperors | 0 | - | 4.95 | 120,596 |
| Famous Nordic People | 0 | - | 4.34 | 20,201 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,626 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,996 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,370 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,550 |
| People on Money - England | 0 | - | 4.29 | 16,627 |
| Name a Valid English City | 0 | - | 4.19 | 16,767 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,951 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,763 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,785 |
| Australian Capitals | 0 | - | 4.92 | 62,780 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,114 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,517 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,894 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,444 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,115 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,501 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,293 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,110 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,359 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,948 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,004 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,400 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,054 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,348 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,972 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,586 |
| Capitals of French Regions | 0 | - | 4.45 | 16,128 |
| Capitals of German States | 0 | - | 4.74 | 29,008 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,427 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,326 |
| Ancient Greek Words | 0 | - | 4.93 | 112,059 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,393 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,210 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,172 |
| European Physical Geography | 0 | - | 4.26 | 33,559 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,040 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,433 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,333 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,253 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,211 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,745 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,425 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,991 |
| Geography of the British Empire | 0 | - | 4.48 | 39,784 |
| Champions League Top 4 | 0 | - | 4.77 | 137,649 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,162 |
| Asia Map Quiz | 0 | - | 4.99 | 921,123 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,435 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,056 |
| Australia Map Quiz | 0 | - | 4.95 | 345,441 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,166 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,059 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,777 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,890 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,359 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,356 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,701 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,555 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,237 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,985 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,612 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,092 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,220 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,779 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,499 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,150 |
| European Geography A-Z | 0 | - | 4.29 | 49,392 |
| Country Codes of Europe | 0 | - | 3.43 | 13,764 |
| The Only European Country ... | 0 | - | 4.91 | 217,800 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,839 |
| European Geographic Groups of Four | 0 | - | 4.58 | 17,278 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,348 |
| Austria... or Australia? | 0 | - | 4.68 | 104,575 |
| Presidents of France | 0 | - | 4.25 | 24,246 |
| French Foods | 0 | - | 4.00 | 27,738 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,122 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,975 |
