| Figures from Greek Mythology | 0 | - | 4.91 | 184,935 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,525 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,082 |
| Roman to Greek God | 0 | - | 4.52 | 122,208 |
| 10 Plagues of Egypt | 0 | - | 4.39 | 52,045 |
| Byzantine History | 0 | - | 4.91 | 28,620 |
| Ancient Greek Words | 0 | - | 4.92 | 110,686 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,941 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,415 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,405 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,109 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,162 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,889 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,859 |
| Name that Greek Letter | 0 | - | 4.94 | 321,650 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,732 |
| Name the English Monarchs | 0 | - | 4.92 | 497,860 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,116 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,531 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,043 |
| Roman Emperors | 0 | - | 4.95 | 118,482 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,546 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,030 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,299 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,192 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,143 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,305 |
| Mythology A-Z | 0 | - | 4.31 | 36,996 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,418 |
| Asia Map Quiz | 0 | - | 4.99 | 906,970 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,884 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,594 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,971 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,523 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,733 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,543 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,713 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,285 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,309 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,463 |
| The Only European Country ... | 0 | - | 4.91 | 213,819 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,820 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,871 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,525 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,253 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,197 |
| Slavic Countries | 0 | - | 4.96 | 110,852 |
| History of Russia Quiz | 0 | - | 4.49 | 31,791 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,016 |
| History of Italy | 0 | - | 4.55 | 31,814 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,481 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,980 |
| Counties of England | 0 | - | 4.97 | 789,144 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,387 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,102 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,898 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,504 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,759 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,406 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,239 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,701 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,480 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,460 |
| Countries of the Middle East | 0 | - | 4.96 | 198,903 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,209 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,172 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,773 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,329 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,860 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,361 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,113 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,328 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,242 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,117 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,035 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,385 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,847 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,419 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,803 |
| Monarchies of Europe | 0 | - | 4.90 | 97,306 |
| European Countries with One Border | 0 | - | 4.97 | 181,618 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,517 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,519 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,198 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,244 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,161 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,767 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,242 |
| Russia Country Quiz | 0 | - | 4.85 | 113,627 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,965 |
| Countries That Border Russia | 0 | - | 4.98 | 458,898 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,846 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,193 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,035 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,115 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,185 |
| Departments of France | 0 | - | 4.93 | 52,805 |
| Countries Bordering France | 0 | - | 4.83 | 399,027 |
| History of France | 0 | - | 4.59 | 56,037 |
| Germany Country Quiz | 0 | - | 4.82 | 156,538 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,680 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,140 |
| States of Germany | 0 | - | 4.96 | 150,029 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,008 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,032 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,169 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,771 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,768 |
| Regions of Italy | 0 | - | 4.92 | 74,716 |
| Italy Country Quiz | 0 | - | 4.82 | 122,197 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,371 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,074 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,945 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,366 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,809 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,949 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,332 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,634 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,155 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,907 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,268 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,707 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,119 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,173 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,769 |
| Geography of the British Empire | 0 | - | 4.48 | 39,471 |
| Medieval English History | 0 | - | 4.53 | 43,316 |
| England or Wales? | 0 | - | 4.94 | 45,316 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,489 |
| Champions League Winners | 0 | - | 4.92 | 996,298 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,034 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,357 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,751 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,253 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,240 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,404 |
| Monarchies of Asia | 0 | - | 4.97 | 70,597 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,048 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,431 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,980 |
| Syria Country Quiz | 0 | - | 4.81 | 32,306 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,446 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,794 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,038 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,778 |
| Japan Country Quiz | 0 | - | 4.92 | 141,238 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,798 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,673 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,781 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,854 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,015 |
| States of India Map Quiz | 0 | - | 4.82 | 26,036 |
| Countries Bordering India | 0 | - | 4.98 | 162,599 |
| Countries Closest to India | 0 | - | 4.97 | 102,205 |
| Hindu Countries | 0 | - | 4.85 | 49,574 |
| Every African Country Shape | 0 | - | 4.90 | 86,097 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,175 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,249 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,090 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,790 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,849 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,791 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,966 |
| Countries that Border Poland | 0 | - | 4.99 | 171,344 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,372 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,885 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,456 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,696 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,615 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,538 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,744 |
| History of Austria | 0 | - | 4.70 | 17,746 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,393 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,775 |
| Geography of the French Empire | 0 | - | 4.48 | 26,933 |
| The French Revolution | 0 | - | 4.46 | 23,784 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,528 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,804 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,594 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,383 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,373 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,317 |
| History of Germany | 0 | - | 4.39 | 52,614 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,212 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,898 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,429 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,167 |
| Counties of Ireland | 0 | - | 4.92 | 193,058 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,449 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,870 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,315 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,531 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,667 |
