| Regions of Italy | 0 | - | 4.92 | 76,234 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,614 |
| Italian Foods | 0 | - | 4.30 | 72,940 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,444 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,579 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,583 |
| States of Germany | 0 | - | 4.95 | 153,192 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,284 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,427 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,411 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,415 |
| Departments of France | 0 | - | 4.93 | 54,466 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,661 |
| England or Wales? | 0 | - | 4.94 | 45,798 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,324 |
| Official European Union Languages | 0 | - | 4.97 | 238,927 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,131 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,056 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,018 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,854 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,111 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,361 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,203 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,652 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,653 |
| Roman Emperors | 0 | - | 4.95 | 120,395 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| History of Italy | 0 | - | 4.55 | 32,053 |
| British to American Food Translation | 0 | - | 3.38 | 51,984 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,754 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,536 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,229 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,058 |
| Regions of France | 0 | - | 4.72 | 121,236 |
| France Immigration by Country | 0 | - | 4.70 | 76,683 |
| Famous Germans | 0 | - | 4.50 | 55,531 |
| German Groups of Things | 0 | - | 4.46 | 38,525 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,474 |
| Germany True or False? | 0 | - | 4.61 | 48,892 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,194 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,140 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,897 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,802 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,498 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,655 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,339 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,763 |
| Counties of England | 0 | - | 4.97 | 798,893 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,692 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,185 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,389 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,519 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,307 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,003 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,848 |
| French Foods | 0 | - | 4.00 | 27,725 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,177 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,126 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,278 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,164 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,154 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,152 |
| Champions League Winners | 0 | - | 4.92 | 1,009,892 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,553 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,585 |
| Italy Country Quiz | 0 | - | 4.77 | 123,595 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,213 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,157 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,754 |
| Name a Valid African Country | 0 | - | 4.98 | 154,364 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,921 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,382 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,633 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,048 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,034 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,777 |
| Famous French People | 0 | - | 4.07 | 35,849 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,159 |
| Word Chain - France | 0 | - | 4.38 | 42,843 |
| Germany Country Quiz | 0 | - | 4.83 | 158,179 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,627 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,074 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,839 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,721 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,563 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,418 |
| The Mafia Quiz | 0 | - | 4.46 | 23,369 |
| History of The Netherlands | 0 | - | 4.46 | 17,484 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,119 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,212 |
| Canary Islands | 0 | - | 4.62 | 17,492 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,267 |
| Switzerland Immigration by Country | 0 | - | 4.68 | 29,833 |
| British Spellings | 0 | - | 4.06 | 99,508 |
| British Groups of Things | 0 | - | 4.25 | 82,910 |
| British Acronyms | 0 | - | 4.40 | 45,850 |
| UK Immigration by Country | 0 | - | 4.94 | 141,163 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,054 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,172 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,983 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,940 |
| Geography of Scotland | 0 | - | 4.63 | 21,658 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,001 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,225 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,015 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,675 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,878 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,607 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,637 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,374 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,427 |
| Slavic Languages | 0 | - | 4.67 | 54,466 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,645 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,089 |
| France A-Z | 0 | - | 4.16 | 38,265 |
| French History Multiple Choice | 0 | - | 4.55 | 33,127 |
| History of Germany | 0 | - | 4.39 | 52,898 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,891 |
| Name that Greek Letter | 0 | - | 4.93 | 324,166 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,664 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,021 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,357 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,791 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,992 |
| Roman Names for Places | 0 | - | 4.62 | 58,398 |
| Byzantine History | 0 | - | 4.91 | 28,918 |
| Byzantine Emperors | 0 | - | 4.92 | 14,365 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,298 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 42,065 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,511 |
| Switzerland A-Z | 0 | - | 4.45 | 25,689 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,043 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,876 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,964 |
| Malta Country Quiz | 0 | - | 4.81 | 31,116 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,227 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,598 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,823 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,877 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,473 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,496 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,349 |
| History of Russia Quiz | 0 | - | 4.47 | 31,949 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,775 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,061 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,259 |
| Movies Set in France | 0 | - | 4.26 | 13,131 |
| French Inventions | 0 | - | 4.10 | 13,909 |
| History of Paris | 0 | - | 4.24 | 13,660 |
| Word Chain - Germany | 0 | - | 4.31 | 22,615 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,737 |
| The Trojan War | 0 | - | 4.83 | 39,797 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,247 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,507 |
| Italian Inventions | 0 | - | 3.81 | 18,460 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,506 |
| Word Chain - Italy | 0 | - | 4.07 | 23,180 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,959 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,720 |
| Famous Nordic People | 0 | - | 4.34 | 20,169 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,987 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,513 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,623 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,295 |
| Geography of Spain | 0 | - | 4.59 | 22,107 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,065 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,359 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,544 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,350 |
| People on Money - England | 0 | - | 4.29 | 16,623 |
| Name a Valid English City | 0 | - | 4.19 | 16,750 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,120 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,699 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,104 |
| Countries that Beat China | 0 | - | 4.85 | 116,130 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 191,904 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,952 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,356 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,747 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,306 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,978 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,307 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,923 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,195 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,002 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,275 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,827 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,206 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,354 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,300 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,293 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,879 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,547 |
| Capitals of French Regions | 0 | - | 4.45 | 16,109 |