| Figures from Greek Mythology | 0 | - | 4.91 | 184,980 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,594 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,253 |
| Roman to Greek God | 0 | - | 4.52 | 122,224 |
| Byzantine History | 0 | - | 4.91 | 28,623 |
| Ancient Greek Words | 0 | - | 4.92 | 110,713 |
| 10 Plagues of Egypt | 0 | - | 4.40 | 52,619 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,967 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,441 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,431 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,127 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,169 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,911 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,000 |
| Name that Greek Letter | 0 | - | 4.94 | 321,702 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,738 |
| Name the English Monarchs | 0 | - | 4.92 | 497,989 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,774 |
| The Trojan War | 0 | - | 4.83 | 39,435 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,549 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,058 |
| Roman Emperors | 0 | - | 4.95 | 118,500 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,555 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,042 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,336 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,243 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,310 |
| Mythology A-Z | 0 | - | 4.31 | 37,004 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,624 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,555 |
| Asia Map Quiz | 0 | - | 4.99 | 907,139 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,982 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,602 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,027 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,942 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,916 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,724 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,372 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,481 |
| The Only European Country ... | 0 | - | 4.91 | 213,887 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,872 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,956 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,568 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,278 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,214 |
| Slavic Countries | 0 | - | 4.96 | 110,873 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,029 |
| History of Italy | 0 | - | 4.55 | 31,818 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,485 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,983 |
| Counties of England | 0 | - | 4.97 | 789,319 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,420 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,132 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,994 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,674 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,357 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,778 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,430 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,266 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,729 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,483 |
| Countries of the Middle East | 0 | - | 4.96 | 198,947 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,221 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,180 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,780 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,338 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,872 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,369 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,655,127 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,340 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,261 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,129 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,049 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,412 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,882 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,423 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,834 |
| Monarchies of Europe | 0 | - | 4.90 | 97,336 |
| European Countries with One Border | 0 | - | 4.97 | 181,644 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,541 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,579 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,244 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,279 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,194 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,847 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,271 |
| Russia Country Quiz | 0 | - | 4.85 | 113,649 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,024 |
| Countries That Border Russia | 0 | - | 4.98 | 458,951 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,859 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,041 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,160 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,217 |
| Departments of France | 0 | - | 4.93 | 52,844 |
| Countries Bordering France | 0 | - | 4.83 | 399,234 |
| History of France | 0 | - | 4.59 | 56,069 |
| Germany Country Quiz | 0 | - | 4.82 | 156,573 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,700 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,162 |
| States of Germany | 0 | - | 4.96 | 150,098 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,029 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,081 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,201 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,780 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,773 |
| Regions of Italy | 0 | - | 4.92 | 74,736 |
| Italy Country Quiz | 0 | - | 4.82 | 122,227 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,408 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,091 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,962 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,372 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,825 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,961 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,366 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,655 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,183 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,203 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,950 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,307 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,779 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,127 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,181 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,792 |
| Geography of the British Empire | 0 | - | 4.48 | 39,477 |
| Medieval English History | 0 | - | 4.53 | 43,323 |
| England or Wales? | 0 | - | 4.94 | 45,322 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,516 |
| Champions League Winners | 0 | - | 4.92 | 996,495 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,062 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,498 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,371 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,284 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,259 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,423 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,063 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,982 |
| Syria Country Quiz | 0 | - | 4.81 | 32,331 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,462 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,810 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,066 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,785 |
| Japan Country Quiz | 0 | - | 4.92 | 141,279 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,814 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,691 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,793 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 31,784 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,017 |
| States of India Map Quiz | 0 | - | 4.82 | 26,044 |
| Countries Bordering India | 0 | - | 4.98 | 162,609 |
| Countries Closest to India | 0 | - | 4.97 | 102,214 |
| Hindu Countries | 0 | - | 4.86 | 49,593 |
| Every African Country Shape | 0 | - | 4.90 | 86,131 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,185 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,274 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,092 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,795 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,861 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,849 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,984 |
| Countries that Border Poland | 0 | - | 4.99 | 171,369 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,382 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,910 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,517 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,706 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,621 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,544 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,766 |
| History of Austria | 0 | - | 4.70 | 17,754 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,519 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,402 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,785 |
| Geography of the French Empire | 0 | - | 4.48 | 26,937 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,539 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,809 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,608 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,386 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,390 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,366 |
| History of Germany | 0 | - | 4.39 | 52,617 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,223 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,914 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,438 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,177 |
| Counties of Ireland | 0 | - | 4.92 | 193,106 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,461 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,885 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,351 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,539 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,672 |
