| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,244 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,145 |
| Roman Emperors | 0 | - | 4.95 | 118,716 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,696 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,338 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,989 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,794 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,222 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,232 |
| Byzantine History | 0 | - | 4.91 | 28,658 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,577 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,733 |
| Roman Names for Places | 0 | - | 4.62 | 57,944 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,662,475 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,163 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,615 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,637 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,289 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,182 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,628 |
| Regions of Italy | 0 | - | 4.92 | 74,919 |
| Italy Country Quiz | 0 | - | 4.82 | 122,419 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,578 |
| History of Italy | 0 | - | 4.55 | 31,857 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| Name the English Monarchs | 0 | - | 4.92 | 498,844 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,173 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,574 |
| The Trojan War | 0 | - | 4.83 | 39,483 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,011 |
| Name that Greek Letter | 0 | - | 4.94 | 322,000 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,082 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,809 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,539 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,566 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,486 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,558 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,222 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,639 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,734 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,212 |
| Ancient Greek Words | 0 | - | 4.92 | 110,870 |
| Roman to Greek God | 0 | - | 4.52 | 122,330 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,621 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,045 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,483 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,986 |
| Roman History by Picture | 0 | - | 4.46 | 26,362 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,054 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,755 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,831 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,197 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,392 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,693 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,874 |
| The Only European Country ... | 0 | - | 4.91 | 214,361 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,882 |
| History of Russia Quiz | 0 | - | 4.49 | 31,809 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,793 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,350 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,685 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,709 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,512 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,018 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,627 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,355 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,406 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,521 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,598 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,842 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,483 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,368 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,884 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,464 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,162 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,770 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,595 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,602 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,124 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,274 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,632 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,965 |
| Monarchies of Europe | 0 | - | 4.90 | 97,479 |
| European Countries with One Border | 0 | - | 4.97 | 181,820 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,719 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,464 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,446 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,343 |
| Slavic Countries | 0 | - | 4.96 | 111,009 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,541 |
| Countries That Border Russia | 0 | - | 4.98 | 459,621 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,323 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,426 |
| Countries Bordering France | 0 | - | 4.83 | 400,332 |
| History of France | 0 | - | 4.59 | 56,314 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,938 |
| States of Germany | 0 | - | 4.96 | 150,515 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,164 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,450 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,440 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,235 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,054 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,950 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,609 |
| Real Madrid 2010s Starting XI | 0 | - | 4.88 | 66,403 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,475 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,162 |
| Counties of England | 0 | - | 4.97 | 790,479 |
| Harry Potter A-Z | 0 | - | 4.42 | 218,266 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,226 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,948 |
| Geography of the British Empire | 0 | - | 4.48 | 39,528 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,977 |
| Champions League Winners | 0 | - | 4.92 | 998,048 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,497 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,079 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,222 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,463 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,380 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,257 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,842 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,945 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,948 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,965 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,574 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,496 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,158 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,508 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,482 |
| Countries that Border Poland | 0 | - | 4.99 | 171,539 |
| Russia Country Quiz | 0 | - | 4.85 | 113,801 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,457 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,928 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,953 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,795 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,103 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,882 |
| History of Austria | 0 | - | 4.70 | 17,774 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,561 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,892 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,411 |
| Departments of France | 0 | - | 4.93 | 53,016 |
| Geography of the French Empire | 0 | - | 4.45 | 26,962 |
| The French Revolution | 0 | - | 4.46 | 23,819 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,600 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,878 |
| Countries that Beat France | 0 | - | 4.49 | 75,281 |
| French History Multiple Choice | 0 | - | 4.55 | 32,904 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,679 |
| Germany Country Quiz | 0 | - | 4.82 | 156,819 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,344 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,401 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,773 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,819 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,801 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,035 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,484 |
| Counties of Ireland | 0 | - | 4.92 | 193,462 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,268 |
| Italian History A-Z | 0 | - | 4.21 | 17,583 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| The Vikings! | 0 | - | 4.46 | 28,261 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,215 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,806 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,869 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,551 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,197 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,999 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,506 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,717 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,642 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,371 |
| Medieval English History | 0 | - | 4.53 | 43,350 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,990 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,861 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,401 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,886 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,871 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,575 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,962 |
| England or Wales? | 0 | - | 4.94 | 45,399 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,786 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,232 |
| U.S. Vice Presidents | 0 | - | 4.41 | 135,271 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,082 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,674 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,126 |
| Presidential Middle Names | 0 | - | 4.41 | 59,792 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,902 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,835 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,721 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,943 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,779 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,213 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,533 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,788 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,067 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,115 |
