| Olympian Gods Quiz | 0 | - | 4.96 | 495,319 |
| Ancient Greek Words | 0 | - | 4.92 | 110,606 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,576 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,999 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,767 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,377 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,265 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,450 |
| Name that Greek Letter | 0 | - | 4.94 | 321,490 |
| Mythology A-Z | 0 | - | 4.31 | 36,972 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,192 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,560 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,422 |
| The Trojan War | 0 | - | 4.83 | 39,403 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,427 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,006 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,140 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,833 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,338 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,293 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,031 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,947 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,660 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,328 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,006 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,448 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,108 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,497 |
| Roman to Greek God | 0 | - | 4.52 | 122,149 |
| Name the English Monarchs | 0 | - | 4.92 | 497,578 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,774 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,903 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,446 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,389 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,317 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,438 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,313 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,964 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,112 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,819 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,294 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,751 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,761 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,826 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,005 |
| Roman Emperors | 0 | - | 4.95 | 118,356 |
| Byzantine History | 0 | - | 4.91 | 28,596 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,617 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,424 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,857 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,150 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,829 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,412 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,140 |
| Roman History by Picture | 0 | - | 4.46 | 26,333 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,305 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,635 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,139 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,919 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,242 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,917 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,821 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,051 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,412 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,628 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,230 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,152 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,427 |
| The Only European Country ... | 0 | - | 4.91 | 213,609 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,651 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,672 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,392 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,187 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,093 |
| Slavic Countries | 0 | - | 4.96 | 110,798 |
| History of Russia Quiz | 0 | - | 4.49 | 31,781 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,085 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,275 |
| History of Italy | 0 | - | 4.55 | 31,805 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,632 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,966 |
| Geography of Spain | 0 | - | 4.59 | 21,945 |
| Counties of England | 0 | - | 4.97 | 788,637 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,368 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,384 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,291 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,053 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,544 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,440 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,285 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,987 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,269 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,735 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,721 |
| Monarchies of Europe | 0 | - | 4.90 | 97,248 |
| European Countries with One Border | 0 | - | 4.97 | 181,514 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,131 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,161 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,743 |
| Countries That Border Russia | 0 | - | 4.98 | 458,673 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,130 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,040 |
| Countries Bordering France | 0 | - | 4.85 | 397,829 |
| History of France | 0 | - | 4.59 | 55,937 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,599 |
| States of Germany | 0 | - | 4.96 | 149,884 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,963 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,912 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,831 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,416 |
| Regions of Italy | 0 | - | 4.92 | 74,623 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,763 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,193 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,073 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,864 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,893 |
| British Geography Quiz #3 | 0 | - | 4.56 | 30,265 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,158 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,725 |
| Geography of the British Empire | 0 | - | 4.48 | 39,465 |
| Champions League Winners | 0 | - | 4.92 | 995,530 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,279 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,760 |
| Name a Valid African Country | 0 | - | 4.98 | 152,852 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,041 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,460 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,164 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,062 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,765 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,796 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,763 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,328 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,045 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,996 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,547 |
| Countries that Border Poland | 0 | - | 4.99 | 171,264 |
| Russia Country Quiz | 0 | - | 4.85 | 113,586 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,347 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,262 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,809 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,640 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,009 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,676 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,708 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,103 |
| Departments of France | 0 | - | 4.93 | 52,715 |
| Geography of the French Empire | 0 | - | 4.48 | 26,920 |
| The French Revolution | 0 | - | 4.46 | 23,758 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,491 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,772 |
| Countries that Beat France | 0 | - | 4.49 | 75,131 |
| French History Multiple Choice | 0 | - | 4.55 | 32,860 |
| Germany Country Quiz | 0 | - | 4.82 | 156,450 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,078 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,375 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,125 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,565 |
| Counties of Ireland | 0 | - | 4.92 | 192,887 |
| Italy Country Quiz | 0 | - | 4.82 | 122,119 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,302 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,400 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,920 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,205 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,349 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,521 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,649 |
| Roman Names for Places | 0 | - | 4.62 | 57,843 |
| History of The Netherlands | 0 | - | 4.46 | 17,303 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,128 |
| The Vikings! | 0 | - | 4.45 | 28,237 |
| The Portuguese Empire | 0 | - | 4.54 | 11,984 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,902 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,553 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,184 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,164 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,495 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,668 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,266 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,485 |
| Medieval English History | 0 | - | 4.53 | 43,299 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,944 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,819 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,651 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,723 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| England or Wales? | 0 | - | 4.94 | 45,289 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,358 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,980 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,113 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,445 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,408 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,734 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,518 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,808 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,084 |
