| Olympian Gods Quiz | 0 | - | 4.96 | 496,069 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,833 |
| Name that Greek Letter | 0 | - | 4.94 | 321,641 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,930 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,528 |
| Ancient Greek Words | 0 | - | 4.92 | 110,686 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,166 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,277 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,509 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,939 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,411 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,401 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,106 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,012 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,964 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,519 |
| Name the English Monarchs | 0 | - | 4.92 | 497,852 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,026 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,771 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,767 |
| Roman to Greek God | 0 | - | 4.52 | 122,205 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,043 |
| Roman Emperors | 0 | - | 4.95 | 118,479 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,392 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,184 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,142 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,896 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,429 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,832 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,964 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,482 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,296 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,696 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,539 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,709 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,283 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,300 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,462 |
| The Only European Country ... | 0 | - | 4.91 | 213,808 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,813 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,860 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,522 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,250 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,194 |
| Slavic Countries | 0 | - | 4.96 | 110,850 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,259 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,163 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,422 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,016 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,161 |
| History of Italy | 0 | - | 4.55 | 31,814 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,726 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,480 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,151 |
| Counties of England | 0 | - | 4.97 | 789,123 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,385 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,100 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,885 |
| Champions League Winners | 0 | - | 4.92 | 996,269 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,886 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,327 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,238 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,116 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,034 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,381 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,846 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,798 |
| Monarchies of Europe | 0 | - | 4.90 | 97,305 |
| European Countries with One Border | 0 | - | 4.97 | 181,613 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,516 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,512 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,193 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,237 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,154 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,757 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,237 |
| Russia Country Quiz | 0 | - | 4.85 | 113,624 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,960 |
| Countries That Border Russia | 0 | - | 4.98 | 458,893 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,846 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,190 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,035 |
| History of Austria | 0 | - | 4.70 | 17,746 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,112 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,182 |
| Departments of France | 0 | - | 4.93 | 52,802 |
| Geography of the French Empire | 0 | - | 4.48 | 26,929 |
| The French Revolution | 0 | - | 4.46 | 23,784 |
| Countries Bordering France | 0 | - | 4.83 | 398,997 |
| History of France | 0 | - | 4.59 | 56,030 |
| Germany Country Quiz | 0 | - | 4.82 | 156,534 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,676 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,139 |
| States of Germany | 0 | - | 4.96 | 150,027 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,383 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,007 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,026 |
| Mythology A-Z | 0 | - | 4.31 | 36,996 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,668 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.51 | 95,994 |
| Regions of Italy | 0 | - | 4.92 | 74,706 |
| Italy Country Quiz | 0 | - | 4.82 | 122,193 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,368 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,073 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,944 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,365 |
| Byzantine History | 0 | - | 4.91 | 28,620 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,805 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| The Portuguese Empire | 0 | - | 4.54 | 11,990 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,949 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,321 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,631 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,906 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,264 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,288 |
| Harry Potter A-Z | 0 | - | 4.42 | 218,054 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,739 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.56 | 93,313 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,173 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,767 |
| Geography of the British Empire | 0 | - | 4.48 | 39,470 |
| Medieval English History | 0 | - | 4.53 | 43,316 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| England or Wales? | 0 | - | 4.94 | 45,312 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,486 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,701 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,929 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,946 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,486 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,999 |
| Presidential Middle Names | 0 | - | 4.41 | 59,700 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,732 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,814 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,742 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,169 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,245 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,090 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,789 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,849 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,790 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,965 |
| Countries that Border Poland | 0 | - | 4.99 | 171,341 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,371 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,881 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,444 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,896 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,696 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,614 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,538 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,739 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,390 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,774 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,524 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,800 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,591 |
| French History Multiple Choice | 0 | - | 4.55 | 32,877 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,675 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,369 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,306 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,457 |
| History of Germany | 0 | - | 4.39 | 52,614 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,289 |
| Counties of Ireland | 0 | - | 4.92 | 193,052 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,447 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,869 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,313 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,531 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,665 |
| Roman Names for Places | 0 | - | 4.62 | 57,875 |
| History of The Netherlands | 0 | - | 4.46 | 17,310 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,844 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,343 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,670 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,297 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,460 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,834 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,595 |
| Roald Dahl Books | 0 | - | 4.44 | 33,936 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,199 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,116 |
| Imagine Lyrics | 0 | - | 4.53 | 43,062 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.52 | 25,117 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,686 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,121 |
| British History A-Z #1 | 0 | - | 4.45 | 45,805 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,073 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,290 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,319 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,952 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,831 |
