| Byzantine History | 0 | - | 4.90 | 27,739 |
| Olympian Gods Quiz | 0 | - | 4.96 | 473,794 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 120,337 |
| Figures from Greek Mythology | 0 | - | 4.90 | 177,109 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 420,927 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 53,319 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 144,018 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 71,196 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 66,384 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 103,828 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 101,594 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 29,767 |
| Roman to Greek God | 0 | - | 4.51 | 119,245 |
| Italy Country Quiz | 0 | - | 4.81 | 117,828 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 143,441 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 146,827 |
| English Monarchs Quiz | 0 | - | 4.91 | 480,015 |
| Europe Map Quiz | 0 | - | 5.00 | 4,593,311 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 619,743 |
| Famous Ancient Romans | 0 | - | 4.68 | 83,288 |
| Mythology A-Z | 0 | - | 4.30 | 35,900 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.52 | 54,324 |
| Countries Bordering Italy | 0 | - | 4.94 | 98,528 |
| Countries Closest to Italy | 0 | - | 4.97 | 190,840 |
| Countries Bordering Iran | 0 | - | 4.83 | 92,896 |
| Countries that Border Iraq | 0 | - | 4.97 | 105,994 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 412,655 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,720 |
| The Trojan War | 0 | - | 4.81 | 38,105 |
| Name that Greek Letter | 0 | - | 4.93 | 312,909 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.84 | 104,135 |
| Things with Names from Classical Mythology | 0 | - | 4.27 | 85,258 |
| Countries that Beat Italy | 0 | - | 4.85 | 51,630 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,557 |
| Roman Emperors | 0 | - | 4.96 | 110,632 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 479,996 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,407,265 |
| Asia Map Quiz | 0 | - | 4.99 | 866,348 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 66,470 |
| Egypt Country Quiz | 0 | - | 4.81 | 75,117 |
| Countries That Use the Euro | 0 | - | 4.93 | 77,580 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 353,929 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 106,343 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 41,031 |
| The Only European Country ... | 0 | - | 4.92 | 200,898 |
| European Countries NOT in NATO | 0 | - | 4.88 | 52,247 |
| Ancient Greek Words | 0 | - | 4.92 | 106,419 |
| Biggest Roman Empire Countries | 0 | - | 4.89 | 99,219 |
| Roman History by Picture | 0 | - | 4.46 | 25,721 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.21 | 80,169 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 104,934 |
| Beatles Songs Quiz | 0 | - | 4.96 | 225,226 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 284,726 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 13,903 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 90,977 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,348,484 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 48,680 |
| Countries that Beat Egypt | 0 | - | 4.90 | 54,966 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,146,656 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,280,764 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 186,867 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 146,367 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 206,122 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 83,802 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 300,615 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 149,854 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 83,900 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 122,801 |
| Slavic Countries | 0 | - | 4.96 | 107,529 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 25,300 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,745 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,365 |
| Counties of England | 0 | - | 4.97 | 758,715 |
| Invasions of Great Britain | 0 | - | 4.51 | 58,283 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.56 | 14,275 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 329,535 |
| Champions League Winners | 0 | - | 4.92 | 958,492 |
| Flags of Asia Quiz | 0 | - | 4.99 | 574,292 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 106,511 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 149,026 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 95,297 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 103,817 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 120,810 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 102,311 |
| Countries of the Middle East | 0 | - | 4.95 | 190,611 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 102,240 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.64 | 54,175 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 56,064 |
| Nepal Country Quiz | 0 | - | 4.95 | 35,973 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 188,550 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 122,682 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 91,218 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 131,250 |
| Three Band Flags of Europe | 0 | - | 4.97 | 185,092 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 63,248 |
| Pixelated Europe Map | 0 | - | 4.88 | 117,492 |
| Monarchies of Europe | 0 | - | 4.89 | 93,913 |
| European Countries with One Border | 0 | - | 4.97 | 176,648 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 173,265 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 220,357 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 265,330 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 66,389 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 157,434 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 239,956 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 93,399 |
| Russia Country Quiz | 0 | - | 4.84 | 110,278 |
| History of Russia Quiz | 0 | - | 4.48 | 31,249 |
| Federal Subjects of Russia | 0 | - | 4.94 | 132,685 |
| Countries That Border Russia | 0 | - | 4.98 | 448,430 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 120,676 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 33,774 |
| History of Austria | 0 | - | 4.69 | 17,271 |
| Regions of France Map Quiz | 0 | - | 4.96 | 137,756 |
| France Cities Map Quiz | 0 | - | 4.95 | 159,942 |
| Departments of France | 0 | - | 4.90 | 46,229 |
| Geography of the French Empire | 0 | - | 4.51 | 26,324 |
| The French Revolution | 0 | - | 4.45 | 23,025 |
| Countries Bordering France | 0 | - | 4.87 | 377,164 |
| History of France Quiz | 0 | - | 4.56 | 41,917 |
| Germany Country Quiz | 0 | - | 4.82 | 151,477 |
| States of Germany Map Quiz | 0 | - | 4.91 | 127,765 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 121,237 |
| States of Germany | 0 | - | 4.95 | 140,515 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 22,953 |
| Germany Immigration by Country | 0 | - | 4.86 | 76,693 |
| Countries Bordering Germany | 0 | - | 4.99 | 358,162 |
| Ancient Greek Trivia | 0 | - | 4.61 | 65,598 |
| Counties of Ireland | 0 | - | 4.90 | 178,330 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,397 |
| Regions of Italy | 0 | - | 4.91 | 69,308 |
| History of Italy | 0 | - | 4.54 | 31,200 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,037 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,423 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,413 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,645 |
| The Vikings! | 0 | - | 4.46 | 27,893 |
| The Portuguese Empire | 0 | - | 4.54 | 11,765 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 93,010 |
| Regions of Spain Quiz | 0 | - | 4.89 | 106,069 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 179,582 |
| Cantons of Switzerland | 0 | - | 4.97 | 46,259 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 90,251 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 110,960 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,595 |
| Countries the UK Declared War On | 0 | - | 4.61 | 118,673 |
| Geography of the British Empire | 0 | - | 4.51 | 38,678 |
| Medieval English History | 0 | - | 4.53 | 42,548 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,800 |
| England or Wales? | 0 | - | 4.94 | 43,683 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 122,517 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 100,416 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,587 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 130,260 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 126,321 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 92,703 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 109,817 |
| Pixelated Asia Map | 0 | - | 4.91 | 69,212 |
| Monarchies of Asia | 0 | - | 4.96 | 68,578 |
| Name a Valid Asian Country | 0 | - | 4.98 | 116,055 |
| Flags of the Middle East | 0 | - | 4.70 | 61,075 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 80,999 |
| Iran Country Quiz | 0 | - | 4.53 | 57,711 |
| Iraq Country Quiz | 0 | - | 4.43 | 39,535 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 76,467 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 98,017 |
| China Cities Map Quiz | 0 | - | 4.90 | 94,972 |
| Provinces of China Map Quiz | 0 | - | 4.93 | 89,441 |
| Japan Country Quiz | 0 | - | 4.92 | 129,140 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 84,863 |
| Closest Countries to North Korea | 0 | - | 4.93 | 118,401 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 78,700 |
| Countries Bordering India | 0 | - | 4.97 | 160,702 |
| Countries Closest to India | 0 | - | 4.96 | 99,498 |
| Hindu Countries | 0 | - | 4.85 | 47,176 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,489,333 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 184,528 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 69,453 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 135,300 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,062 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 84,386 |
| Countries that Border Poland | 0 | - | 4.99 | 167,238 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 80,352 |
| Countries that Beat Russia | 0 | - | 4.83 | 78,500 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 63,399 |
| Countries that Border Hungary | 0 | - | 4.98 | 101,635 |
| Countries Bordering Serbia | 0 | - | 4.96 | 88,957 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,387 |
| Countries Bordering Austria | 0 | - | 4.97 | 115,164 |
| Countries that Visit France the Most | 0 | - | 4.83 | 43,228 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 69,948 |
| Countries that Beat Germany | 0 | - | 4.95 | 101,114 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 59,648 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 62,481 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,556 |
| Italy A-Z | 0 | - | 4.47 | 42,718 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 37,093 |
| Geography of the Roman Empire | 0 | - | 4.56 | 50,619 |
| The Life of Julius Caesar | 0 | - | 4.47 | 33,244 |
| Roman Names for Places | 0 | - | 4.69 | 56,022 |
| History of The Netherlands | 0 | - | 4.45 | 16,737 |
