| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,891 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,560 |
| Roman Emperors | 0 | - | 4.96 | 108,358 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,259 |
| Figures from Greek Mythology | 0 | - | 4.90 | 174,985 |
| Countries that Beat Italy | 0 | - | 4.85 | 50,366 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 69,400 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,780 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.52 | 53,587 |
| Byzantine History | 0 | - | 4.87 | 27,401 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 36,687 |
| Geography of the Roman Empire | 0 | - | 4.56 | 50,063 |
| Roman Names for Places | 0 | - | 4.65 | 44,234 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,407,339 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,435 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 69,224 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 56,385 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 64,604 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 51,275 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,033 |
| Regions of Italy | 0 | - | 4.90 | 66,903 |
| Italy Country Quiz | 0 | - | 4.80 | 115,995 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 141,253 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,000 |
| The Life of Julius Caesar | 0 | - | 4.47 | 32,960 |
| English Monarchs Quiz | 0 | - | 4.90 | 472,355 |
| Europe Map Quiz | 0 | - | 5.00 | 4,517,891 |
| Countries that Beat Germany | 0 | - | 4.95 | 97,367 |
| The Trojan War | 0 | - | 4.81 | 37,487 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 611,272 |
| Famous Ancient Romans | 0 | - | 4.68 | 82,477 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,557 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,488 |
| Countries Closest to Italy | 0 | - | 4.97 | 188,151 |
| Roman History Vocabulary | 0 | - | 4.43 | 56,410 |
| Seven Hills of Rome | 0 | - | 4.69 | 8,810 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 55,779 |
| Countries that Beat Spain | 0 | - | 4.95 | 59,680 |
| Countries of Iberia in History with a Map | 0 | - | 4.86 | 37,695 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 80,828 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,648 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,034 |
| Name that Greek Letter | 0 | - | 4.94 | 309,294 |
| Ancient Greek Words | 0 | - | 4.92 | 104,481 |
| Roman to Greek God | 0 | - | 4.51 | 117,951 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 112,942 |
| History of Italy | 0 | - | 4.50 | 30,906 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,578 |
| Roman History by Picture | 0 | - | 4.46 | 25,454 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,121 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 476,480 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 66,904 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 178,717 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,963 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 349,078 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,807 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,420 |
| The Only European Country ... | 0 | - | 4.92 | 195,238 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 65,462 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 103,035 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 19,739 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.20 | 78,431 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,416 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,029 |
| Invasions of Great Britain | 0 | - | 4.51 | 57,585 |
| Groups of Things - Harry Potter | 0 | - | 4.83 | 271,084 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 57,863 |
| Top 10 Oldest African Countries | 0 | - | 4.86 | 25,158 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 61,655 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,121,307 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,257,310 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,845 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,474 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 89,184 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 201,156 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,846 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,205 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,808 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 297,056 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,505 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,200 |
| Monarchies of Europe | 0 | - | 4.89 | 92,428 |
| European Countries with One Border | 0 | - | 4.97 | 174,046 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,839 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,458 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,924 |
| Slavic Countries | 0 | - | 4.96 | 105,573 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,675 |
| Countries That Border Russia | 0 | - | 4.98 | 443,208 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,938 |
| Regions of France Map Quiz | 0 | - | 4.96 | 135,005 |
| Countries Bordering France | 0 | - | 4.87 | 372,054 |
| History of France Quiz | 0 | - | 4.56 | 41,465 |
| States of Germany Map Quiz | 0 | - | 4.91 | 126,127 |
| States of Germany | 0 | - | 4.94 | 136,175 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,925 |
| Countries Bordering Germany | 0 | - | 4.99 | 353,976 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 135,154 |
| Things with Names from Classical Mythology | 0 | - | 4.27 | 84,443 |
| Counties of Ireland | 0 | - | 4.88 | 173,661 |
| Embarrassing Chapters in Italian History | 0 | - | 4.21 | 11,611 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,618 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,545 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 59,175 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,710 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 88,653 |
| Counties of England | 0 | - | 4.97 | 741,567 |
| Harry Potter A-Z | 0 | - | 4.42 | 210,025 |
| Wives of King Henry VIII | 0 | - | 4.54 | 52,346 |
| Countries the UK Declared War On | 0 | - | 4.56 | 117,108 |
| Geography of the British Empire | 0 | - | 4.51 | 38,288 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 305,136 |
| Champions League Winners | 0 | - | 4.91 | 938,762 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,160 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,681 |
| Countries that Beat Australia | 0 | - | 4.91 | 88,158 |
| Deadliest U.S. Wars | 0 | - | 4.84 | 165,658 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 186,836 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,958 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,700 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 133,587 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,689 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 215,182 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 261,150 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,916 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 82,182 |
| Random Point on Land to European Country | 0 | - | 4.93 | 69,604 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 206,342 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 90,534 |
| Countries that Border Poland | 0 | - | 4.99 | 165,271 |
| Russia Country Quiz | 0 | - | 4.83 | 108,731 |
| History of Russia Quiz | 0 | - | 4.48 | 30,968 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,402 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 61,712 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,252 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 33,081 |
| Countries Bordering Serbia | 0 | - | 4.96 | 87,535 |
| History of Austria | 0 | - | 4.69 | 17,054 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,853 |
| Countries Bordering Austria | 0 | - | 4.97 | 113,886 |
| France Cities Map Quiz | 0 | - | 4.95 | 156,681 |
| Departments of France | 0 | - | 4.88 | 43,238 |
| Geography of the French Empire | 0 | - | 4.51 | 26,095 |
| The French Revolution | 0 | - | 4.45 | 22,706 |
| Countries that Visit France the Most | 0 | - | 4.83 | 42,475 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 69,132 |
| Countries that Beat France | 0 | - | 4.53 | 71,654 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 37,319 |
| Germany Country Quiz | 0 | - | 4.82 | 148,796 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 112,194 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,712 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 57,872 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,062 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 61,154 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,142 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,125 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 144,592 |
| Italian History A-Z | 0 | - | 4.17 | 9,239 |
| History of The Netherlands | 0 | - | 4.44 | 16,462 |
| The Vikings! | 0 | - | 4.46 | 27,721 |
| The Portuguese Empire | 0 | - | 4.54 | 11,655 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 91,113 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 177,192 |
| Countries Closest to Spain | 0 | - | 4.95 | 215,867 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 108,499 |
| British Geography Quiz #1 | 0 | - | 4.51 | 46,928 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 117,043 |
| Basic Harry Potter Quiz | 0 | - | 4.52 | 369,325 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 45,321 |
| Houses of British Monarchs | 0 | - | 4.54 | 63,048 |
| Medieval English History | 0 | - | 4.53 | 42,129 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 53,300 |
| Prime Ministers of the UK | 0 | - | 4.95 | 408,380 |
| World Capitals Closest to London | 0 | - | 4.89 | 97,443 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 91,577 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,400 |
| 2025–2026 Football League Teams | 0 | - | 4.92 | 374,233 |
| England or Wales? | 0 | - | 4.94 | 42,940 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 119,344 |
| Name a Valid Answer - British History | 0 | - | 4.51 | 14,445 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 409,176 |
| U.S. Presidential Trivia #1 | 0 | - | 4.52 | 102,756 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.56 | 87,811 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 367,745 |
| U.S. Presidential Trivia #2 | 0 | - | 4.48 | 48,496 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 86,339 |
| U.S. Presidents Who Died in Office | 0 | - | 4.78 | 32,885 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 35,428 |
| Name a Valid U.S. President #2 | 0 | - | 4.53 | 65,615 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 478,570 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 195,612 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.70 | 11,242 |
| Countries that Beat Russia | 0 | - | 4.83 | 76,021 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.85 | 92,681 |
| Latvia Country Quiz | 0 | - | 4.79 | 30,243 |
| Moldova Country Quiz | 0 | - | 4.86 | 29,023 |
| Andorra Country Quiz | 0 | - | 4.88 | 29,686 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 43,085 |
| French History Multiple Choice | 0 | - | 4.55 | 31,533 |
| The Reign of Napoleon | 0 | - | 4.54 | 37,356 |
