| Germany Multiple Choice | 0 | - | 4.81 | 50,126 |
| States of Germany | 0 | - | 4.94 | 127,330 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,429 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,180 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,275 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,756 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,542 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,554 |
| France Immigration by Country | 0 | - | 4.81 | 70,360 |
| Counties of Ireland | 0 | - | 4.90 | 163,804 |
| Regions of Italy | 0 | - | 4.89 | 62,187 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,000 |
| Official European Union Languages | 0 | - | 4.98 | 204,150 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,158 |
| German Groups of Things | 0 | - | 4.43 | 36,400 |
| Germany True or False? | 0 | - | 4.60 | 45,152 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,993 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,397 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,377 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,342 |
| Famous Germans | 0 | - | 4.39 | 35,372 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,729 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,228 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,628 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,293 |
| Counties of England | 0 | - | 4.97 | 705,379 |
| Celtic Nations | 0 | - | 4.76 | 45,063 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,878 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,165 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,075 |
| Capitals of German States | 0 | - | 4.70 | 27,430 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,654 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,210 |
| Geography of Germany | 0 | - | 4.37 | 15,846 |
| History of Germany Quiz | 0 | - | 4.35 | 40,534 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,264 |
| British Acronyms | 0 | - | 4.41 | 43,778 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,787 |
| Regions of France | 0 | - | 4.65 | 103,201 |
| Largest Islands of Greece | 0 | - | 4.58 | 41,103 |
| The Vikings! | 0 | - | 4.45 | 27,324 |
| The Portuguese Empire | 0 | - | 4.54 | 11,423 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,678 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,092 |
| Counties of England Map Quiz | 0 | - | 4.97 | 290,174 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 282,328 |
| Champions League Winners | 0 | - | 4.92 | 894,498 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,457 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,472 |
| Category Elimination - European Geography #3 | 0 | - | 4.87 | 67,924 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,240 |
| History of Austria | 0 | - | 4.69 | 16,591 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,438 |
| Geography of the French Empire | 0 | - | 4.49 | 25,643 |
| The French Revolution | 0 | - | 4.45 | 22,158 |
| France Multiple Choice | 0 | - | 4.40 | 39,041 |
| History of France Quiz | 0 | - | 4.55 | 40,082 |
| States of Germany Map Quiz | 0 | - | 4.91 | 122,077 |
| Word Chain - Germany | 0 | - | 4.30 | 21,347 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,216 |
| History of Italy | 0 | - | 4.49 | 30,056 |
| England or Wales? | 0 | - | 4.93 | 41,081 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,208 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,200 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,357 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 146,203 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,024 |
| History of The Netherlands | 0 | - | 4.43 | 15,977 |
| Famous Nordic People | 0 | - | 4.41 | 10,739 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,558 |
| Canary Islands | 0 | - | 4.61 | 16,655 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 23,058 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,341 |
| British Spellings Quiz | 0 | - | 4.04 | 95,133 |
| British Groups of Things | 0 | - | 4.26 | 80,777 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,902 |
| English Monarchs in Order by First Letter | 0 | - | 4.46 | 24,619 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,917 |
| Word Scramble - European Countries | 0 | - | 4.76 | 130,168 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,735 |
| Slavic Languages | 0 | - | 4.65 | 49,482 |
| Word Chain - France | 0 | - | 4.37 | 40,473 |
| Famous Italians | 0 | - | 4.40 | 67,462 |
| Italian Foods | 0 | - | 4.25 | 65,582 |
| The Mafia Quiz | 0 | - | 4.47 | 21,844 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 10,380 |
| History of Spain Quiz | 0 | - | 4.33 | 19,755 |
| Languages of Spain | 0 | - | 4.36 | 21,627 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,906 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,384 |
| British Foods | 0 | - | 3.88 | 47,221 |
| British and American Word Differences | 0 | - | 2.65 | 44,532 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,510 |
| Bridges of London | 0 | - | 4.14 | 9,477 |
| British Sport Trivia | 0 | - | 4.31 | 19,411 |
| Famous Welsh People | 0 | - | 4.15 | 9,339 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,713 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,558 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,970 |
| Invasions of Great Britain | 0 | - | 4.49 | 56,127 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 28,224 |
| The British Royal Family - Modern Times | 0 | - | 4.14 | 20,772 |
| People on Money - England | 0 | - | 4.34 | 16,035 |
| Name a Valid English City | 0 | - | 4.16 | 15,501 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,762 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,512 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,200 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,532 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,600 |
| Famous French People | 0 | - | 4.16 | 24,247 |
| Movies Set in France | 0 | - | 4.23 | 12,592 |
| French Inventions | 0 | - | 4.08 | 13,397 |
| History of Paris | 0 | - | 4.21 | 12,821 |
| The Trojan War | 0 | - | 4.81 | 36,360 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,490 |
| Word Chain - Italy | 0 | - | 4.09 | 22,203 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,293 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,499 |
| Roman Emperors | 0 | - | 4.96 | 98,071 |
| Beatles Songs Quiz | 0 | - | 4.95 | 213,093 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,992 |
| Australian Capitals | 0 | - | 4.92 | 61,128 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,829 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,856 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,184 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,640 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,309 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,574 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,687 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,421 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,446 |
| Europe Map Quiz | 0 | - | 5.00 | 4,355,719 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,717 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,185 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,851 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,421 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,747 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,205 |
| German Loan Words | 0 | - | 4.28 | 130,564 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,406 |
| Name that Greek Letter | 0 | - | 4.94 | 298,764 |
| Ancient Greek Words | 0 | - | 4.91 | 99,672 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,407 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 404,951 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,786 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,076 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,915 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,668 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,816 |
| Geography of the British Empire | 0 | - | 4.51 | 37,432 |
| Champions League Top 4 | 0 | - | 4.65 | 110,677 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,542 |
| Asia Map Quiz | 0 | - | 4.99 | 801,539 |
| Africa Map Quiz | 0 | - | 5.00 | 1,962,657 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,460 |
| European Physical Geography | 0 | - | 4.20 | 32,155 |
| History of Russia Quiz | 0 | - | 4.48 | 30,148 |
| Geography of Russia | 0 | - | 4.54 | 20,370 |
| Slovakia... or Slovenia? | 0 | - | 4.72 | 40,078 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,993 |
| British Monopoly Board | 0 | - | 4.51 | 39,516 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,933 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,243 |
| Countries of Africa | 0 | - | 5.00 | 2,218,601 |
| African East Coast | 0 | - | 4.97 | 85,887 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,336 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,709 |
| Australia Map Quiz | 0 | - | 4.94 | 323,300 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,804 |
| United States Map Quiz | 0 | - | 4.98 | 3,935,596 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,085 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,398 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,406 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,873 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,704 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,189 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,807 |
| European Geography By Letter - G | 0 | - | 4.25 | 96,012 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,787 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,252 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,421 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,335 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,852 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,606 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,552 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,413 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,544 |
| European Geography A-Z | 0 | - | 4.37 | 46,031 |
| Country Codes of Europe | 0 | - | 3.36 | 12,869 |
| The Only European Country ... | 0 | - | 4.93 | 183,431 |
| Austria... or Australia? | 0 | - | 4.79 | 99,112 |
| Capitals of French Regions | 0 | - | 4.40 | 14,906 |
| Presidents of France | 0 | - | 4.23 | 20,626 |
| French Foods | 0 | - | 3.96 | 26,570 |
| Bundesliga Champions | 0 | - | 4.24 | 47,141 |
| All Bundesliga Teams Ever | 0 | - | 4.39 | 40,171 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,918 |
| Figures from Greek Mythology | 0 | - | 4.92 | 171,067 |
| Most Popular Types of Pasta | 0 | - | 3.93 | 29,901 |
| Italian Inventions | 0 | - | 3.88 | 18,000 |
