| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 396,545 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,302 |
| Roman Emperors | 0 | - | 4.95 | 94,813 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,066 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 66,218 |
| Figures from Greek Mythology | 0 | - | 4.92 | 168,483 |
| Countries that Beat Italy | 0 | - | 4.87 | 44,795 |
| Byzantine History | 0 | - | 4.87 | 26,093 |
| Olympian Gods Quiz | 0 | - | 4.96 | 455,181 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.51 | 50,433 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,210 |
| Geography of the Roman Empire | 0 | - | 4.58 | 48,225 |
| Roman Names for Places | 0 | - | 4.66 | 41,105 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,396 |
| The Life of Julius Caesar | 0 | - | 4.46 | 31,987 |
| English Monarchs Quiz | 0 | - | 4.91 | 443,225 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,542 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 61,714 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 48,117 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 57,810 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 45,776 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,108 |
| Regions of Italy | 0 | - | 4.88 | 59,577 |
| Italy Country Quiz | 0 | - | 4.81 | 107,659 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 132,325 |
| Roman History Vocabulary | 0 | - | 4.43 | 54,879 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,495 |
| Countries that Beat Spain | 0 | - | 4.96 | 55,418 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,135,990 |
| Europe Map Quiz | 0 | - | 5.00 | 4,257,335 |
| Countries that Beat Germany | 0 | - | 4.87 | 69,540 |
| The Trojan War | 0 | - | 4.81 | 35,673 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 579,909 |
| Famous Ancient Romans | 0 | - | 4.72 | 73,962 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,536 |
| Countries Closest to Italy | 0 | - | 4.97 | 177,650 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,650 |
| Roman History by Picture | 0 | - | 4.44 | 24,415 |
| Geography of the Spanish Empire | 0 | - | 4.47 | 35,049 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 461,827 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.53 | 63,465 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,120 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,481 |
| Name that Greek Letter | 0 | - | 4.94 | 294,257 |
| Ancient Greek Words | 0 | - | 4.90 | 96,294 |
| Roman to Greek God | 0 | - | 4.52 | 112,941 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 91,708 |
| History of Italy | 0 | - | 4.49 | 29,654 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,669 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.25 | 70,618 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,176 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 64,951 |
| Invasions of Great Britain | 0 | - | 4.48 | 55,163 |
| Groups of Things - Harry Potter | 0 | - | 4.85 | 258,891 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 165,144 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,561 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 333,979 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,933 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,918 |
| The Only European Country ... | 0 | - | 4.94 | 176,081 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 99,227 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.79 | 18,748 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,585 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 49,480 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,784 |
| Parts of the United Kingdom | 0 | - | 4.88 | 82,992 |
| Counties of England | 0 | - | 4.96 | 683,432 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,523 |
| Countries the UK Declared War On | 0 | - | 4.57 | 111,037 |
| Geography of the British Empire | 0 | - | 4.50 | 35,423 |
| English First Names of the Middle Ages | 0 | - | 4.40 | 45,114 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 264,077 |
| Champions League Winners | 0 | - | 4.90 | 839,334 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 44,388 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,033,002 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,171,539 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,593 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,477 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,807 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,523 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,570 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,279 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,609 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,228 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,603 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,529 |
| Monarchies of Europe | 0 | - | 4.88 | 86,274 |
| European Countries with One Border | 0 | - | 4.96 | 149,165 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,412 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,789 |
| Eastern Europe Map Quiz | 0 | - | 4.88 | 114,770 |
| Slavic Countries | 0 | - | 4.96 | 99,812 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,335 |
| Countries That Border Russia | 0 | - | 4.98 | 423,452 |
| Countries Formerly in Yugoslavia | 0 | - | 4.94 | 100,984 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,383 |
| Countries Bordering France | 0 | - | 4.87 | 355,007 |
| History of France Quiz | 0 | - | 4.55 | 39,487 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,488 |
| States of Germany | 0 | - | 4.94 | 121,715 |
| Germany Immigration by Country | 0 | - | 4.90 | 68,934 |
| Countries Bordering Germany | 0 | - | 4.99 | 338,776 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.96 | 124,854 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 81,904 |
| Counties of Ireland | 0 | - | 4.89 | 157,370 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,074 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,339 |
| History of The Netherlands | 0 | - | 4.42 | 15,644 |
| The Vikings! | 0 | - | 4.44 | 27,019 |
| The Portuguese Empire | 0 | - | 4.54 | 11,292 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,361 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,095 |
| Countries Closest to Spain | 0 | - | 4.95 | 204,474 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 19,893 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,467 |
| British Geography Quiz #1 | 0 | - | 4.52 | 45,514 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 102,183 |
| Basic Harry Potter Quiz | 0 | - | 4.55 | 360,000 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,296 |
| Houses of British Monarchs | 0 | - | 4.50 | 51,742 |
| Medieval English History | 0 | - | 4.52 | 40,601 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,284 |
| Prime Ministers of the UK | 0 | - | 4.95 | 377,828 |
| World Capitals Closest to London | 0 | - | 4.90 | 92,944 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 84,860 |
| 2025 Football League Teams | 0 | - | 4.93 | 341,252 |
| England or Wales? | 0 | - | 4.93 | 39,854 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,557 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,445 |
| Countries that Beat Australia | 0 | - | 4.84 | 69,751 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 156,902 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 180,022 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 114,835 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 65,777 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 127,513 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 55,582 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 198,329 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 244,323 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 141,169 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 75,791 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,691 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 83,414 |
| Countries that Border Poland | 0 | - | 4.99 | 157,698 |
| Russia Country Quiz | 0 | - | 4.84 | 102,369 |
| History of Russia Quiz | 0 | - | 4.48 | 29,741 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,492 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 55,399 |
| Russian Inventions | 0 | - | 4.41 | 11,931 |
| Countries that Border Hungary | 0 | - | 4.98 | 95,786 |
| Countries Bordering Serbia | 0 | - | 4.95 | 82,400 |
| History of Austria | 0 | - | 4.68 | 16,290 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,509 |
| France Cities Map Quiz | 0 | - | 4.95 | 146,889 |
| Geography of the French Empire | 0 | - | 4.49 | 25,232 |
| The French Revolution | 0 | - | 4.44 | 21,814 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,554 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 65,923 |
| Countries that Beat France | 0 | - | 4.58 | 65,107 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.48 | 35,698 |
| Germany Country Quiz | 0 | - | 4.83 | 138,938 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 105,117 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 51,311 |
| Ancient Greek Trivia | 0 | - | 4.56 | 63,128 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.80 | 84,101 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.58 | 55,051 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,413 |
| History of Ireland Quiz | 0 | - | 4.43 | 18,785 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 126,248 |
| Italian History A-Z | 0 | - | 4.11 | 8,795 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,055 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,114 |
| Countries that Beat Portugal | 0 | - | 4.82 | 35,238 |
| History of Spain Quiz | 0 | - | 4.33 | 19,492 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 98,886 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,551 |
| British Geography Quiz #3 | 0 | - | 4.56 | 27,960 |
| Roald Dahl Books | 0 | - | 4.43 | 32,564 |
| Shakespearean Characters | 0 | - | 4.39 | 35,750 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 31,746 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.43 | 104,757 |
| Harry Potter A-Z | 0 | - | 4.39 | 199,870 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 38,884 |
| Lord of the Rings Characters | 0 | - | 4.54 | 105,000 |
| Beatles Songs Quiz | 0 | - | 4.94 | 204,283 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 271,837 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,729 |
| English Royal Consorts | 0 | - | 4.27 | 34,376 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,513 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 18,915 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,150 |
| History of Scotland | 0 | - | 4.49 | 19,526 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 46,051 |
| Top 4 in English Football, 1888–2024 | 0 | - | 4.95 | 105,598 |
| Name the Popes Quiz | 0 | - | 4.42 | 100,184 |
| Countries of the Popes | 0 | - | 4.77 | 79,214 |
| Countries that Beat Egypt | 0 | - | 4.93 | 50,468 |
| Countries that Beat China | 0 | - | 4.82 | 99,022 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 391,935 |
| U.S. Vice Presidents | 0 | - | 4.42 | 118,131 |
| U.S. Presidential Trivia #1 | 0 | - | 4.51 | 96,171 |
