| Olympian Gods Quiz | 0 | - | 4.96 | 500,564 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,067 |
| Name that Greek Letter | 0 | - | 4.93 | 323,354 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,838 |
| The Trojan War | 0 | - | 4.83 | 39,710 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,770 |
| Ancient Greek Words | 0 | - | 4.93 | 111,543 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,608 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,869 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,913 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,141 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,240 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,581 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,924 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,806 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,976 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,696,012 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,240 |
| Name the English Monarchs | 0 | - | 4.91 | 502,371 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,092 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,980 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,908 |
| Roman to Greek God | 0 | - | 4.52 | 122,784 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,504 |
| Roman Emperors | 0 | - | 4.95 | 119,967 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,260 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,047 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,476 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 74,080 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,622 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,646 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,110 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,687 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,911 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,176 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,333 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,124 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,142 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,158 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,569 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,107 |
| The Only European Country ... | 0 | - | 4.91 | 216,474 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,347 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,504 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,042 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,211 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,147 |
| Slavic Countries | 0 | - | 4.96 | 111,612 |
| History of Russia Quiz | 0 | - | 4.47 | 31,913 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,873 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,546 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,496 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,453 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,749 |
| History of Italy | 0 | - | 4.55 | 31,968 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,123 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,650 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,219 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,370 |
| Counties of England | 0 | - | 4.97 | 796,257 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,849 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,630 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,636 |
| Champions League Winners | 0 | - | 4.92 | 1,006,117 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,806 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,067 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,949 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,802 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,454 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,213 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,699 |
| Monarchies of Europe | 0 | - | 4.90 | 98,096 |
| European Countries with One Border | 0 | - | 4.97 | 182,715 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,516 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,110 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,722 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,336 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,018 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,766 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,628 |
| Russia Country Quiz | 0 | - | 4.85 | 114,435 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,013 |
| Countries That Border Russia | 0 | - | 4.98 | 461,592 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,317 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,856 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,329 |
| History of Austria | 0 | - | 4.70 | 17,859 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,670 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,360 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,693 |
| Departments of France | 0 | - | 4.93 | 54,048 |
| Geography of the French Empire | 0 | - | 4.45 | 27,054 |
| The French Revolution | 0 | - | 4.46 | 23,927 |
| Countries Bordering France | 0 | - | 4.83 | 402,417 |
| History of France | 0 | - | 4.59 | 56,941 |
| Germany Country Quiz | 0 | - | 4.82 | 157,788 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,752 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,240 |
| States of Germany | 0 | - | 4.96 | 152,402 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,995 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,276 |
| Mythology A-Z | 0 | - | 4.31 | 37,210 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,779 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.51 | 96,421 |
| Regions of Italy | 0 | - | 4.92 | 75,823 |
| Italy Country Quiz | 0 | - | 4.82 | 123,364 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,307 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,985 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,311 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,540 |
| Byzantine History | 0 | - | 4.91 | 28,843 |
| Byzantine Emperors | 0 | - | 4.94 | 13,886 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,105 |
| The Vikings! | 0 | - | 4.46 | 28,341 |
| The Portuguese Empire | 0 | - | 4.58 | 12,062 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,892 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,890 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,600 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,176 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,964 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,521 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,724 |
| Harry Potter A-Z | 0 | - | 4.43 | 226,585 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,315 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 93,743 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,343 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,434 |
| Geography of the British Empire | 0 | - | 4.48 | 39,664 |
| Medieval English History | 0 | - | 4.53 | 43,498 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| England or Wales? | 0 | - | 4.94 | 45,669 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,255 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,329 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,672 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,437 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,759 |
| Presidential Middle Names | 0 | - | 4.41 | 60,204 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,305 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,574 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,976 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,411 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,727 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,206 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,093 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,360 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,418 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,999 |
| Countries that Border Poland | 0 | - | 4.99 | 172,229 |
| Russian History A-Z | 0 | - | 4.38 | 31,686 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,823 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,723 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,691 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,370 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,190 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,858 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,790 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,363 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,761 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,288 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,853 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,158 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,161 |
| French History Multiple Choice | 0 | - | 4.55 | 33,028 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,942 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,348 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,546 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,012 |
| History of Germany | 0 | - | 4.39 | 52,808 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,133 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,339 |
| Counties of Ireland | 0 | - | 4.92 | 195,130 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,843 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,456 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,978 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,729 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,913 |
| Roman Names for Places | 0 | - | 4.62 | 58,263 |
| History of The Netherlands | 0 | - | 4.46 | 17,428 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,549 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,817 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,300 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,154 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,893 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,910 |
| Arthurian Legend | 0 | - | 4.33 | 25,108 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,508 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,600 |
| Roald Dahl Books | 0 | - | 4.44 | 34,050 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,365 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,741 |
| Imagine Lyrics | 0 | - | 4.53 | 43,261 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.52 | 25,526 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,745 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,257 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,783 |
| British History A-Z #1 | 0 | - | 4.45 | 46,475 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,145 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,645 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,648 |
