| French Geography Quiz #1 | 0 | - | 4.89 | 34,785 |
| Departments of France | 0 | - | 4.93 | 54,198 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,700 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,250 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,741 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,724 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,560 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,620 |
| England or Wales? | 0 | - | 4.94 | 45,720 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,180 |
| Official European Union Languages | 0 | - | 4.97 | 238,599 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,917 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,356 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,240 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,294 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,503 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,071 |
| The Trojan War | 0 | - | 4.83 | 39,746 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,932 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,523 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,558 |
| Roman Emperors | 0 | - | 4.95 | 120,128 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,375 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,977 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,784 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,011 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,854 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,168 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,405 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,708 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,071 |
| France A-Z | 0 | - | 4.16 | 38,215 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,377 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,050 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,348 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,391 |
| Celtic Nations | 0 | - | 4.69 | 46,958 |
| Capitals of French Regions | 0 | - | 4.45 | 16,083 |
| Regions of France | 0 | - | 4.72 | 120,899 |
| France Immigration by Country | 0 | - | 4.70 | 76,556 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,963 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,324 |
| Geography of Spain | 0 | - | 4.59 | 22,081 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,698 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,285 |
| Champions League Winners | 0 | - | 4.92 | 1,007,361 |
| NFL Football Last Names | 0 | - | 4.43 | 171,589 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,537 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,249 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,182 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,685 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,040 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,455 |
| Geography of the French Empire | 0 | - | 4.45 | 27,080 |
| The French Revolution | 0 | - | 4.47 | 23,967 |
| France Multiple Choice | 0 | - | 4.39 | 40,747 |
| Countries Bordering France | 0 | - | 4.83 | 402,691 |
| Kings of France Quiz | 0 | - | 4.20 | 32,757 |
| History of France | 0 | - | 4.59 | 57,042 |
| States of Germany | 0 | - | 4.95 | 152,743 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,098 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,550 |
| Regions of Italy | 0 | - | 4.92 | 75,975 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,232 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,150 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,057 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,250 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,060 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,711 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,347 |
| Name a Valid African Country | 0 | - | 4.98 | 154,144 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,511 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,415 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,977 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,224 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,251 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,778 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,705 |
| Austria... or Australia? | 0 | - | 4.68 | 104,379 |
| Famous French People | 0 | - | 4.07 | 35,633 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,834 |
| Presidents of France | 0 | - | 4.25 | 24,154 |
| Word Chain - France | 0 | - | 4.38 | 42,788 |
| Germany Country Quiz | 0 | - | 4.83 | 157,931 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,403 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,019 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,923 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,451 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,100 |
| Italian Foods | 0 | - | 4.30 | 72,811 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,348 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,971 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,723 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,060 |
| British to American Food Translation | 0 | - | 3.38 | 51,968 |
| UK Immigration by Country | 0 | - | 4.94 | 140,959 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,882 |
| British Monopoly Board | 0 | - | 4.52 | 41,177 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,697 |
| Name the English Monarchs | 0 | - | 4.91 | 503,000 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,484 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,058 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,890 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,534 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,620 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,874 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,609 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,735 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,084 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,484 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,122 |
| Slavic Languages | 0 | - | 4.68 | 54,386 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,862 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,629 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,349 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,839 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,066 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,888 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,202 |
| Countries that Beat France | 0 | - | 4.49 | 75,895 |
| Tour de France Winners | 0 | - | 4.27 | 15,382 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,855 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,991 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,782 |
| Name that Greek Letter | 0 | - | 4.93 | 323,668 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,720 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,674 |
| Counties of Ireland | 0 | - | 4.92 | 195,471 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,629 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,886 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,113 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,759 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,948 |
| Roman Names for Places | 0 | - | 4.62 | 58,314 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,373 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,485 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,068 |
| Switzerland A-Z | 0 | - | 4.45 | 25,655 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,024 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,175 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,677 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,908 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,784 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,911 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,477 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,694 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,878 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,175 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,986 |
| Countries that Beat China | 0 | - | 4.85 | 115,900 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,645 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 712,998 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,817 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,045 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,141 |
| History of Russia Quiz | 0 | - | 4.47 | 31,924 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,741 |
| Movies Set in France | 0 | - | 4.26 | 13,123 |
| French Inventions | 0 | - | 4.08 | 13,899 |
| French Foods | 0 | - | 4.00 | 27,704 |
| History of Paris | 0 | - | 4.24 | 13,654 |
| French History A-Z | 0 | - | 4.27 | 24,670 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,151 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,075 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,109 |
| Famous Irish People | 0 | - | 4.05 | 46,000 |
| History of Italy | 0 | - | 4.55 | 31,985 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,818 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,671 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,416 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,904 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,246 |
| British Geography A-Z | 0 | - | 4.42 | 19,527 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,694 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,639 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,669 |
| London A-Z | 0 | - | 4.10 | 40,783 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,302 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,540,429 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,895 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,281 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,397 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,633 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,109 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,740 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,605 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,778 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,620 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,923 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,770 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,065 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,510 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,683 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,295 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,964 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,242 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,245 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,663 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,473 |