| Figures from Greek Mythology | 0 | - | 4.92 | 194,414 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,655 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,705 |
| Roman to Greek God | 0 | - | 4.52 | 123,556 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,942 |
| Byzantine History | 0 | - | 4.91 | 29,064 |
| Byzantine Emperors | 0 | - | 4.93 | 14,672 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,531 |
| Ancient Greek Words | 0 | - | 4.93 | 112,734 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,645 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,245 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,089 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,078 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,420 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,342 |
| Name that Greek Letter | 0 | - | 4.93 | 325,403 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,581 |
| Name the English Monarchs | 0 | - | 4.91 | 507,649 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,757 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,092 |
| The Trojan War | 0 | - | 4.83 | 40,120 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,350 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,728 |
| Roman Emperors | 0 | - | 4.95 | 121,516 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,706 |
| Egypt Country Quiz | 0 | - | 4.82 | 78,054 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,689 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,562 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,841 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,622 |
| Mythology A-Z | 0 | - | 4.31 | 37,468 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,656 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,706 |
| Asia Map Quiz | 0 | - | 4.99 | 927,194 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,270 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,269 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,363 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,441 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,724 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,599 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,850 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,591 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,425 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,948 |
| The Only European Country ... | 0 | - | 4.91 | 219,757 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,335 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,756 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,920 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,433 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,955 |
| Slavic Countries | 0 | - | 4.96 | 112,566 |
| History of Russia Quiz | 0 | - | 4.47 | 32,031 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,868 |
| History of Italy | 0 | - | 4.55 | 32,198 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,866 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,481 |
| Counties of England | 0 | - | 4.97 | 804,715 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,156 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,023 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,402 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,982 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,790 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,372 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,089 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,551 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,239 |
| Countries of the Middle East | 0 | - | 4.96 | 203,375 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,007 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,251 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,134 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,033 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,030 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,796 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,962 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,998 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,719 |
| Monarchies of Europe | 0 | - | 4.90 | 99,085 |
| European Countries with One Border | 0 | - | 4.97 | 184,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,821 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,492 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,455 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,291 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,392 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,618 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,193 |
| Russia Country Quiz | 0 | - | 4.83 | 115,507 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,028 |
| Countries That Border Russia | 0 | - | 4.98 | 465,078 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,866 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,625 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,671 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,018 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,870 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,045 |
| Departments of France | 0 | - | 4.93 | 55,461 |
| Countries Bordering France | 0 | - | 4.83 | 405,489 |
| History of France | 0 | - | 4.61 | 57,765 |
| Germany Country Quiz | 0 | - | 4.82 | 159,146 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,044 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,302 |
| States of Germany | 0 | - | 4.95 | 155,042 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,855 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,368 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 146,152 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,301 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,081 |
| Regions of Italy | 0 | - | 4.92 | 77,315 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,485 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,284 |
| Countries Italy Declared War On | 0 | - | 4.74 | 49,784 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,795 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,961 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,652 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,676 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,087 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,167 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,954 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,693 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,124 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 390,675 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,648 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,498 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,412 |
| Geography of the British Empire | 0 | - | 4.48 | 39,889 |
| Medieval English History | 0 | - | 4.53 | 43,700 |
| England or Wales? | 0 | - | 4.94 | 46,092 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,582 |
| Champions League Winners | 0 | - | 4.92 | 1,018,592 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,136 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,838 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,358 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,949 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,208 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,879 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,967 |
| Monarchies of Asia | 0 | - | 4.97 | 71,645 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,014 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,386 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,818 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,783 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,178 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,968 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,191 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,089 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,919 |
| Japan Country Quiz | 0 | - | 4.93 | 143,602 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,470 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,724 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,668 |
| Nepal Country Quiz | 0 | - | 4.95 | 38,050 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,256 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,538 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,087 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,420 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,852 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,090 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,330 |
| Countries that Border Poland | 0 | - | 4.99 | 173,401 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,376 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,798 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,449 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,130 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,102 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,082 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,251 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,321 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,080 |
| Geography of the French Empire | 0 | - | 4.45 | 27,241 |
| The French Revolution | 0 | - | 4.47 | 24,175 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,252 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,596 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,847 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,581 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,558 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,283 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,694 |
| History of Germany | 0 | - | 4.39 | 53,010 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,699 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,539 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,908 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,181 |
| Counties of Ireland | 0 | - | 4.92 | 197,780 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,400 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,331 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,780 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,416 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,282 |
| Roman Names for Places | 0 | - | 4.62 | 58,812 |
| History of The Netherlands | 0 | - | 4.46 | 17,580 |
| The Vikings! | 0 | - | 4.46 | 28,432 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,346 |
| The Portuguese Empire | 0 | - | 4.58 | 12,120 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,039 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,339 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,465 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,462 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,232 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,739 |
