| Figures from Greek Mythology | 0 | - | 4.91 | 188,462 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,207 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,139 |
| Roman to Greek God | 0 | - | 4.52 | 123,241 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,894 |
| Byzantine History | 0 | - | 4.91 | 28,997 |
| Byzantine Emperors | 0 | - | 4.93 | 14,525 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,364 |
| Ancient Greek Words | 0 | - | 4.93 | 112,288 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,137 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,847 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,665 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,995 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,910 |
| Name that Greek Letter | 0 | - | 4.93 | 324,734 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,397 |
| Name the English Monarchs | 0 | - | 4.91 | 505,588 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,362 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,843 |
| The Trojan War | 0 | - | 4.83 | 39,942 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,727 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,505 |
| Roman Emperors | 0 | - | 4.95 | 120,954 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,477 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,856 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,830 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,340 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,701 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,796 |
| Mythology A-Z | 0 | - | 4.31 | 37,358 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,428 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,315 |
| Asia Map Quiz | 0 | - | 4.99 | 923,503 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,440 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,682 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,389 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,499 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,056 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,808 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,331 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,873 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,342 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,636 |
| The Only European Country ... | 0 | - | 4.91 | 218,489 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,300 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,128 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,224 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,984 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,667 |
| Slavic Countries | 0 | - | 4.96 | 112,218 |
| History of Russia Quiz | 0 | - | 4.47 | 31,988 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,723 |
| History of Italy | 0 | - | 4.55 | 32,117 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,790 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,397 |
| Counties of England | 0 | - | 4.97 | 801,577 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,052 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,384 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,590 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,653 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,399 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,749 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,023 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,153 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,731 |
| Countries of the Middle East | 0 | - | 4.96 | 202,343 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,719,954 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,595 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,684 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,626 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,360 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,273 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,285 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,887 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,320 |
| Monarchies of Europe | 0 | - | 4.90 | 98,696 |
| European Countries with One Border | 0 | - | 4.97 | 183,550 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,311 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,244 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,532 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,330 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,524 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,918 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,667 |
| Russia Country Quiz | 0 | - | 4.83 | 115,173 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,051 |
| Countries That Border Russia | 0 | - | 4.98 | 464,040 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,646 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,356 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,514 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,885 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,413 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,576 |
| Departments of France | 0 | - | 4.93 | 54,912 |
| Countries Bordering France | 0 | - | 4.83 | 404,472 |
| History of France | 0 | - | 4.61 | 57,497 |
| Germany Country Quiz | 0 | - | 4.82 | 158,630 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,600 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,939 |
| States of Germany | 0 | - | 4.95 | 154,102 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,574 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,441 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,390 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,186 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,012 |
| Regions of Italy | 0 | - | 4.92 | 76,774 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,052 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,903 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,572 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,712 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,682 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,355 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,081 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,656 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,601 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,634 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,409 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,517 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 389,557 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,529 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,440 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,142 |
| Geography of the British Empire | 0 | - | 4.48 | 39,822 |
| Medieval English History | 0 | - | 4.53 | 43,625 |
| England or Wales? | 0 | - | 4.94 | 45,907 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,725 |
| Champions League Winners | 0 | - | 4.92 | 1,013,877 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,646 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,663 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,934 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,126 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,799 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,724 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,653 |
| Monarchies of Asia | 0 | - | 4.97 | 71,418 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,616 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,209 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,639 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,668 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,032 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,678 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,930 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,749 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,558 |
| Japan Country Quiz | 0 | - | 4.93 | 143,144 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,244 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,612 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,513 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,927 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,978 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,133 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,311 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,598 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,298 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,649 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,822 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,846 |
| Countries that Border Poland | 0 | - | 4.99 | 172,998 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,173 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,429 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,404 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,911 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,001 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,980 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,944 |
| History of Austria | 0 | - | 4.70 | 17,959 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,022 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,862 |
| Geography of the French Empire | 0 | - | 4.45 | 27,201 |
| The French Revolution | 0 | - | 4.47 | 24,120 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,090 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,408 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,546 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,142 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,201 |
| History of Germany | 0 | - | 4.39 | 52,952 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,587 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,181 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,798 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,918 |
| Counties of Ireland | 0 | - | 4.92 | 196,903 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,185 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,062 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,134 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,149 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,169 |
| Roman Names for Places | 0 | - | 4.62 | 58,630 |
| History of The Netherlands | 0 | - | 4.46 | 17,531 |
| The Vikings! | 0 | - | 4.46 | 28,396 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,000 |
| The Portuguese Empire | 0 | - | 4.58 | 12,096 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,754 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,290 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,870 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,250 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,966 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,058 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,811 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,918 |
