| Germany Multiple Choice | 0 | - | 4.84 | 54,208 |
| Regions of Italy | 0 | - | 4.92 | 75,264 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,937 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,779 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,209 |
| History of Italy | 0 | - | 4.55 | 31,909 |
| States of Germany | 0 | - | 4.96 | 151,195 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,613 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,131 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,249 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,778 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,624 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,877 |
| Official European Union Languages | 0 | - | 4.97 | 237,730 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,362 |
| Germany True or False? | 0 | - | 4.61 | 48,666 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,928 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,454 |
| England or Wales? | 0 | - | 4.94 | 45,506 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,680 |
| France Multiple Choice | 0 | - | 4.38 | 40,686 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,530 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,770 |
| Italian Foods | 0 | - | 4.31 | 72,487 |
| The Mafia Quiz | 0 | - | 4.46 | 23,256 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,682 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,648 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,309 |
| Roman Emperors | 0 | - | 4.95 | 119,358 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,572 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,103 |
| Australia True or False | 0 | - | 4.87 | 56,692 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,323 |
| Celtic Nations | 0 | - | 4.69 | 46,878 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,130 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,433 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,625 |
| Counties of England | 0 | - | 4.97 | 792,929 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,763 |
| Regions of France | 0 | - | 4.77 | 120,028 |
| France Immigration by Country | 0 | - | 4.72 | 76,242 |
| Famous Germans | 0 | - | 4.50 | 54,860 |
| German Groups of Things | 0 | - | 4.46 | 38,391 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,755 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,089 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,164 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,869 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,331 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,638 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,642 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,305 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,722 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,386 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,496 |
| History of Austria | 0 | - | 4.70 | 17,808 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,859 |
| Geography of the French Empire | 0 | - | 4.45 | 27,001 |
| The French Revolution | 0 | - | 4.46 | 23,872 |
| History of France | 0 | - | 4.59 | 56,654 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,213 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,438 |
| Word Chain - Italy | 0 | - | 4.07 | 23,137 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,072 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,855 |
| The Vikings! | 0 | - | 4.46 | 28,290 |
| The Portuguese Empire | 0 | - | 4.58 | 12,032 |
| American to British Word Translation | 0 | - | 4.13 | 138,379 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,822 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,381 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,713 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,262 |
| Champions League Winners | 0 | - | 4.92 | 1,001,147 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,935 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,806 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,173 |
| Departments of France | 0 | - | 4.93 | 53,412 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,302 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,329 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,516 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,628 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,324 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,930 |
| Slavic Languages | 0 | - | 4.68 | 54,171 |
| Word Chain - France | 0 | - | 4.38 | 42,684 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,161 |
| History of The Netherlands | 0 | - | 4.46 | 17,371 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,368 |
| Canary Islands | 0 | - | 4.61 | 17,442 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,457 |
| British Spellings | 0 | - | 4.06 | 99,361 |
| British Groups of Things | 0 | - | 4.25 | 82,788 |
| British Acronyms | 0 | - | 4.39 | 45,714 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,999 |
| Geography of Scotland | 0 | - | 4.63 | 21,557 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,162 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,647 |
| Geography of Germany | 0 | - | 4.35 | 17,140 |
| History of Germany | 0 | - | 4.39 | 52,731 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,880 |
| Name that Greek Letter | 0 | - | 4.93 | 322,645 |
| Italian Inventions | 0 | - | 3.81 | 18,425 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,641 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,803 |
| Roman Names for Places | 0 | - | 4.62 | 58,077 |
| History of Spain | 0 | - | 4.23 | 21,046 |
| Languages of Spain | 0 | - | 4.36 | 23,239 |
| British to American Word Translation | 0 | - | 3.74 | 254,922 |
| British Foods by Description | 0 | - | 3.94 | 48,295 |
| British and American Word Differences | 0 | - | 2.63 | 46,833 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,553 |
| Bridges of London | 0 | - | 4.17 | 10,082 |
| British Sport Trivia | 0 | - | 4.37 | 20,413 |
| Famous Welsh People | 0 | - | 4.29 | 10,997 |
| Malta Country Quiz | 0 | - | 4.81 | 30,948 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,473 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,123 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,630 |
| History of Russia Quiz | 0 | - | 4.49 | 31,851 |
| Famous French People | 0 | - | 4.12 | 28,149 |
| Movies Set in France | 0 | - | 4.26 | 13,100 |
| French Inventions | 0 | - | 4.08 | 13,880 |
| History of Paris | 0 | - | 4.24 | 13,630 |
| Word Chain - Germany | 0 | - | 4.31 | 22,533 |
| The Trojan War | 0 | - | 4.83 | 39,583 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,228 |
| Famous Nordic People | 0 | - | 4.34 | 19,999 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,570 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,735 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,307 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,503 |
| People on Money - England | 0 | - | 4.29 | 16,591 |
| Name a Valid English City | 0 | - | 4.19 | 16,681 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,520 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,238 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,620 |
| Australian Capitals | 0 | - | 4.92 | 62,667 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,706 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,148 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,122 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,005 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,459 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,356 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,044 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,824 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,453 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,629 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,584 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,150 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,795 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,087 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,130 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,815 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,262 |
| Capitals of French Regions | 0 | - | 4.45 | 16,021 |
| Capitals of German States | 0 | - | 4.74 | 28,898 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,215 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,611 |
| Ancient Greek Words | 0 | - | 4.93 | 111,145 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,141 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,144 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,193 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,277 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,852 |
| European Physical Geography | 0 | - | 4.26 | 33,433 |
| Geography of Russia | 0 | - | 4.57 | 21,488 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,867 |
| Italian History A-Z | 0 | - | 4.21 | 17,634 |
| Serie A Champions | 0 | - | 4.29 | 57,999 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,031 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,915 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,463 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,471 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,271 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,130 |
| Geography of the British Empire | 0 | - | 4.48 | 39,589 |
| Champions League Top 4 | 0 | - | 4.77 | 135,060 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,238 |
| Asia Map Quiz | 0 | - | 4.99 | 911,463 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,500 |
| Countries of Africa | 0 | - | 5.00 | 2,522,793 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,316 |
| African East Coast | 0 | - | 4.96 | 95,569 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,398 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,243 |
| Australia Map Quiz | 0 | - | 4.94 | 343,368 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,191 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,203 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,486 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,037 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,327 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,453 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,873 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,121 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,742 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,688 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,375 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,098 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,440 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,541 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,665 |
