| Olympian Gods Quiz | 0 | - | 4.96 | 503,520 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,541 |
| Name that Greek Letter | 0 | - | 4.93 | 324,882 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,699 |
| The Trojan War | 0 | - | 4.83 | 39,966 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,866 |
| Ancient Greek Words | 0 | - | 4.93 | 112,392 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,964 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,403 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,574 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,282 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,184 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,678 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,773 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,512 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,412 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,723,644 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,950 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,613 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,832 |
| Name the English Monarchs | 0 | - | 4.91 | 506,082 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,672 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,213 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,033 |
| Roman to Greek God | 0 | - | 4.52 | 123,311 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,560 |
| Roman Emperors | 0 | - | 4.95 | 121,096 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,614 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,650 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,733 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,237 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,254 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,826 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,487 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,675 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,624 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,700 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,082 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,079 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,993 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,431 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,981 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,591 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,722 |
| The Only European Country ... | 0 | - | 4.91 | 218,793 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,549 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,504 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,409 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,109 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,726 |
| Slavic Countries | 0 | - | 4.96 | 112,315 |
| History of Russia Quiz | 0 | - | 4.47 | 31,999 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,699 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,570 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,570 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,761 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,028 |
| History of Italy | 0 | - | 4.55 | 32,138 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,427 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,413 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,748 |
| Counties of England | 0 | - | 4.97 | 802,352 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,079 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,205 |
| Champions League Winners | 0 | - | 4.92 | 1,015,310 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,664 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,803 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,731 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,434 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,409 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,483 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,415 |
| Monarchies of Europe | 0 | - | 4.90 | 98,799 |
| European Countries with One Border | 0 | - | 4.97 | 183,700 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,456 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,633 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,781 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,473 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,767 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,362 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,804 |
| Russia Country Quiz | 0 | - | 4.83 | 115,271 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,335 |
| Countries That Border Russia | 0 | - | 4.98 | 464,341 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,709 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,428 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,560 |
| History of Austria | 0 | - | 4.70 | 17,968 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,915 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,549 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,720 |
| Departments of France | 0 | - | 4.93 | 55,064 |
| Geography of the French Empire | 0 | - | 4.45 | 27,209 |
| The French Revolution | 0 | - | 4.47 | 24,136 |
| Countries Bordering France | 0 | - | 4.83 | 404,730 |
| History of France | 0 | - | 4.61 | 57,568 |
| Germany Country Quiz | 0 | - | 4.82 | 158,763 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,740 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,024 |
| States of Germany | 0 | - | 4.95 | 154,330 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,556 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,650 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,672 |
| Mythology A-Z | 0 | - | 4.31 | 37,385 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.52 | 96,807 |
| Regions of Italy | 0 | - | 4.92 | 76,966 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,151 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,977 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,618 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,727 |
| Byzantine History | 0 | - | 4.91 | 29,013 |
| Byzantine Emperors | 0 | - | 4.93 | 14,573 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,763 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| The Portuguese Empire | 0 | - | 4.58 | 12,100 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,418 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,236 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,793 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,708 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,479 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,665 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 379,594 |
| Harry Potter A-Z | 0 | - | 4.43 | 228,140 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,632 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 94,270 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,451 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,205 |
| Geography of the British Empire | 0 | - | 4.48 | 39,840 |
| Medieval English History | 0 | - | 4.53 | 43,642 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| England or Wales? | 0 | - | 4.94 | 45,943 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,974 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,452 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,332 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,511 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,271 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,585 |
| Presidential Middle Names | 0 | - | 4.41 | 60,697 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,666 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,877 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,183 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,620 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,708 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,325 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,693 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,898 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,997 |
| Countries that Border Poland | 0 | - | 4.99 | 173,099 |
| Russian History A-Z | 0 | - | 4.35 | 32,180 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,227 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,540 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,661 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,782 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,975 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,029 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,014 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,026 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,062 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,912 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,130 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,447 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,664 |
| French History Multiple Choice | 0 | - | 4.55 | 33,214 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,121 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,256 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,477 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,524 |
| History of Germany | 0 | - | 4.39 | 52,966 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,232 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,409 |
| Counties of Ireland | 0 | - | 4.92 | 197,192 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,224 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,132 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,296 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,712 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,252 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,194 |
| Roman Names for Places | 0 | - | 4.62 | 58,675 |
| History of The Netherlands | 0 | - | 4.46 | 17,545 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,097 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,203 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,832 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,304 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,030 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,313 |
| Arthurian Legend | 0 | - | 4.33 | 25,169 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,034 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,264 |
| Roald Dahl Books | 0 | - | 4.45 | 34,123 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,487 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.45 | 113,047 |
| Imagine Lyrics | 0 | - | 4.53 | 43,528 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.52 | 25,952 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,823 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,360 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,943 |
| British History A-Z #1 | 0 | - | 4.45 | 47,205 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,237 |