| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Departments of France | 0 | - | 4.93 | 55,238 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,990 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,732 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,670 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,965 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,315 |
| England or Wales? | 0 | - | 4.94 | 45,985 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,778 |
| Official European Union Languages | 0 | - | 4.97 | 239,883 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,709 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,075 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,378 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,583 |
| The Trojan War | 0 | - | 4.83 | 40,008 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,029 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,219 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,618 |
| Roman Emperors | 0 | - | 4.95 | 121,280 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,909 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,375 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,338 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,273 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,060 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,901 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,060 |
| France A-Z | 0 | - | 4.16 | 38,347 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,710 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,475 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,994 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Celtic Nations | 0 | - | 4.61 | 47,107 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Regions of France | 0 | - | 4.70 | 122,190 |
| France Immigration by Country | 0 | - | 4.70 | 76,958 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,167 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,993 |
| Geography of Spain | 0 | - | 4.59 | 22,190 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,569 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,860 |
| Champions League Winners | 0 | - | 4.92 | 1,016,729 |
| NFL Football Last Names | 0 | - | 4.43 | 172,081 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,758 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,348 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,030 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,809 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,951 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,027 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,639 |
| 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 |
| Countries Bordering France | 0 | - | 4.83 | 405,052 |
| Kings of France Quiz | 0 | - | 4.21 | 32,937 |
| History of France | 0 | - | 4.61 | 57,656 |
| States of Germany | 0 | - | 4.95 | 154,662 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,731 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,976 |
| Regions of Italy | 0 | - | 4.92 | 77,145 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,828 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,402 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,413 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,797 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,391 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,844 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,156 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,767 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,012 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,019 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,028 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,841 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,955 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,954 |
| Austria... or Australia? | 0 | - | 4.67 | 104,785 |
| Famous French People | 0 | - | 4.05 | 36,123 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,864 |
| Presidents of France | 0 | - | 4.25 | 24,346 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Germany Country Quiz | 0 | - | 4.82 | 158,906 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,124 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,250 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,053 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,982 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,284 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,091 |
| Italian Foods | 0 | - | 4.30 | 73,306 |
| Countries Italy Declared War On | 0 | - | 4.70 | 46,156 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,534 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,928 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,989 |
| British to American Food Translation | 0 | - | 3.38 | 52,055 |
| UK Immigration by Country | 0 | - | 4.94 | 141,775 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,101 |
| British Monopoly Board | 0 | - | 4.52 | 41,276 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,856 |
| Name the English Monarchs | 0 | - | 4.91 | 506,848 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,254 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,839 |
| Name a Valid African Country | 0 | - | 4.98 | 155,110 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,485 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,734 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,704 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,040 |
| 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 | 142,366 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,756 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,984 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,144 |
| Slavic Languages | 0 | - | 4.67 | 54,716 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,651 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,969 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,842 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,149 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,177 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,508 |
| Countries that Beat France | 0 | - | 4.48 | 76,416 |
| Tour de France Winners | 0 | - | 4.27 | 15,524 |
| French History Multiple Choice | 0 | - | 4.55 | 33,249 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,792 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,521 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,274 |
| Name that Greek Letter | 0 | - | 4.93 | 325,082 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,350 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,862 |
| Counties of Ireland | 0 | - | 4.92 | 197,412 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,747 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,286 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,461 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,325 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,223 |
| Roman Names for Places | 0 | - | 4.62 | 58,732 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,619 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,639 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,205 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,911 |
| Switzerland A-Z | 0 | - | 4.45 | 25,774 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,093 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,903 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,980 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,479 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,073 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,458 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,091 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,334 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,465 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,506 |
| Countries that Beat China | 0 | - | 4.85 | 116,792 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,162 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,156 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,405 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,630 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,894 |
| 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 |
| French Foods | 0 | - | 4.00 | 27,779 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| French History A-Z | 0 | - | 4.27 | 25,159 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,245 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,942 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,652 |
| Famous Irish People | 0 | - | 4.05 | 46,072 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,415 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,488 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,252 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,435 |
| British Geography A-Z | 0 | - | 4.42 | 19,616 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,110 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,086 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,730 |
| London A-Z | 0 | - | 4.10 | 40,884 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,532 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,543 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,677 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,279 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,675 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,138 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,290 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,202 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,682 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,232 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,846 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,129 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,719 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,830 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,539 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,204 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,474 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,438 |