| Regions of Italy | 0 | - | 4.92 | 77,140 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,663 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,946 |
| States of Germany | 0 | - | 4.95 | 154,649 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,730 |
| Italian Foods | 0 | - | 4.30 | 73,302 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,827 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,410 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,796 |
| Departments of France | 0 | - | 4.93 | 55,232 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,431 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,313 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,990 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,859 |
| England or Wales? | 0 | - | 4.94 | 45,985 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,776 |
| Official European Union Languages | 0 | - | 4.97 | 239,878 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,707 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,061 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,987 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,747 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,338 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,729 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,580 |
| The Mafia Quiz | 0 | - | 4.46 | 23,441 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,617 |
| Roman Emperors | 0 | - | 4.95 | 121,280 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,410 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Celtic Nations | 0 | - | 4.61 | 47,106 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,243 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,059 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,900 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,038 |
| Regions of France | 0 | - | 4.70 | 122,175 |
| France Immigration by Country | 0 | - | 4.70 | 76,957 |
| Famous Germans | 0 | - | 4.50 | 55,812 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,709 |
| Germany True or False? | 0 | - | 4.61 | 49,032 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,475 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,513 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,810 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,415 |
| Counties of England | 0 | - | 4.97 | 803,345 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,824 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,979 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,025 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,808 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,945 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,025 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,632 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,699 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,856 |
| Word Chain - Italy | 0 | - | 4.07 | 23,225 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,168 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,534 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,562 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,560 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,122 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| Champions League Winners | 0 | - | 4.92 | 1,016,691 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,155 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,758 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,767 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,398 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,391 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,844 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,010 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,015 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,024 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,831 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,950 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,953 |
| Famous French People | 0 | - | 4.05 | 36,123 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,859 |
| Word Chain - France | 0 | - | 4.38 | 42,946 |
| Germany Country Quiz | 0 | - | 4.82 | 158,900 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,121 |
| 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 | 150,282 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,087 |
| Countries Italy Declared War On | 0 | - | 4.70 | 46,037 |
| History of The Netherlands | 0 | - | 4.46 | 17,557 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,530 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,922 |
| Canary Islands | 0 | - | 4.62 | 17,543 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,988 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,093 |
| British Spellings | 0 | - | 4.06 | 99,613 |
| British Groups of Things | 0 | - | 4.26 | 83,027 |
| British to American Food Translation | 0 | - | 3.38 | 52,054 |
| British Acronyms | 0 | - | 4.40 | 45,949 |
| UK Immigration by Country | 0 | - | 4.94 | 141,770 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,117 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,096 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,847 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,157 |
| Geography of Scotland | 0 | - | 4.63 | 21,749 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,251 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,837 |
| Name a Valid African Country | 0 | - | 4.98 | 155,108 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,154 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,143 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,482 |
| 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 | 142,363 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,724 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,981 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,141 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,094 |
| Slavic Languages | 0 | - | 4.67 | 54,715 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,149 |
| France A-Z | 0 | - | 4.16 | 38,346 |
| French History Multiple Choice | 0 | - | 4.55 | 33,249 |
| History of Germany | 0 | - | 4.39 | 52,981 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,255 |
| Name that Greek Letter | 0 | - | 4.93 | 325,078 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,325 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,222 |
| Roman Names for Places | 0 | - | 4.62 | 58,729 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,704 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,638 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,430 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,909 |
| Switzerland A-Z | 0 | - | 4.45 | 25,774 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,093 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,073 |
| Malta Country Quiz | 0 | - | 4.81 | 31,242 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,464 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,732 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,389 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,624 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,036 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,892 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,882 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,650 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| Movies Set in France | 0 | - | 4.26 | 13,153 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| French Foods | 0 | - | 4.00 | 27,778 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Word Chain - Germany | 0 | - | 4.31 | 22,688 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,375 |
| The Trojan War | 0 | - | 4.83 | 40,007 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,022 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,646 |
| Italian Inventions | 0 | - | 3.81 | 18,477 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,589 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,214 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Famous Nordic People | 0 | - | 4.34 | 20,315 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,250 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,908 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,435 |
| Geography of Spain | 0 | - | 4.59 | 22,190 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,375 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,417 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,580 |
| People on Money - England | 0 | - | 4.29 | 16,647 |
| Name a Valid English City | 0 | - | 4.19 | 16,832 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,109 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,809 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,505 |
| Countries that Beat China | 0 | - | 4.85 | 116,789 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,478 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,348 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,278 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,674 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,135 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,251 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,197 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,674 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,227 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,844 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,128 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,717 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,722 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,538 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,202 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,473 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,438 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,522 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,561 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,753 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Kings of France Quiz | 0 | - | 4.21 | 32,937 |
| Capitals of German States | 0 | - | 4.74 | 29,076 |
