| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,851 |
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,669,534 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,333,988 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,832 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,859 |
| English Monarchs Quiz | 0 | - | 4.85 | 378,390 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,566 |
| Countries That Border Russia | 0 | - | 4.98 | 367,124 |
| Communist Countries in History | 0 | - | 4.47 | 382,227 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,222 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,647 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,573 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,947 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,504 |
| U.S. Presidents by State | 0 | - | 4.27 | 61,099 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,437 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,185 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,888 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,694 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,118 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,406 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,588 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,636 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,482 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,019 |
| Countries that Border Poland | 0 | - | 4.98 | 129,236 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,619 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,923 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,939 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,324 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,130 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,392 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,273 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,144 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,840 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,371 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,255 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,878 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,591 |
| Biggest Cities in France | 0 | - | 4.51 | 161,029 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,461 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,533 |
| Biggest Cities in California | 0 | - | 4.30 | 119,688 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,284 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,733 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,812 |
| Countries in World War I | 0 | - | 4.92 | 182,340 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,917 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,222 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,608 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,149 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,764 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,465 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,223 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,550 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,483 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,921 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,774 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,817 |
| Biggest Cities in China | 0 | - | 4.41 | 117,792 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,998 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,756 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,342 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,251 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,651 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,312 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,704 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,278 |
| Famous Russians Quiz | 0 | - | 4.16 | 20,986 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,412 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,713 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,544 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,124 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,165 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,648 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,766 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,392 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,133 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,569 |
| Biggest Cities in India | 0 | - | 4.52 | 54,719 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,748 |
| Official Cities in the UK | 0 | - | 4.89 | 196,791 |
| Russia Country Quiz | 0 | - | 4.86 | 90,615 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 295,730 |
| Biggest Cities in History | 0 | - | 4.49 | 70,297 |
| European Cities A-Z | 0 | - | 4.23 | 66,785 |
| British Places A-Z | 0 | - | 4.23 | 60,223 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,215 |
| The George H. W. Bush Presidency | 0 | - | 4.33 | 18,989 |
| The Ronald Reagan Presidency | 0 | - | 4.20 | 21,650 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,414 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.37 | 20,303 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,189 |
| Europe Capital to Country | 0 | - | 4.99 | 198,633 |
| Name the Popes Quiz | 0 | - | 4.44 | 89,479 |
| Important Cities in European History | 0 | - | 4.49 | 88,227 |
| Important Cities in WWII | 0 | - | 4.37 | 75,734 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,077 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,146 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,128 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,103 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,536 |
| History of Russia Quiz | 0 | - | 4.38 | 27,227 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,782 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,885 |
| World Leaders of the Cold War | 0 | - | 4.26 | 19,398 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,693 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 68,323 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,390 |
| Soviet Leaders 1917–1991 | 0 | - | 4.34 | 65,076 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,702 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,874 |
| Countries Invaded by the USSR | 0 | - | 4.22 | 59,919 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,000 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,848 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,021 |
| Most Mentioned Enemies of Russia | 0 | - | 4.73 | 73,089 |
| Russia A-Z | 0 | - | 4.37 | 23,215 |
| Most Mentioned Allies of Russia | 0 | - | 4.34 | 29,740 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,522 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,465 |
| Cities of Ireland | 0 | - | 4.39 | 35,605 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,773 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,673 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,397 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,906 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,272 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,864 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,421 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,755 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,102 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,762 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,340 |
| European Cities with the Biggest Economies | 0 | - | 4.47 | 30,646 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,498 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,500 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,463 |
| Megacities on a World Map | 0 | - | 4.97 | 198,902 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,620 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,199 |
| Countries of the Popes | 0 | - | 4.74 | 70,048 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.97 | 137,154 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,897 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,560 |
| Federal Subjects of Russia | 0 | - | 4.95 | 80,942 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,585 |
| Countries of Europe After World War II | 0 | - | 4.97 | 142,916 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,761 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,358 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,037 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,208 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,004 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,899 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,603 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,712 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,912 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.34 | 40,699 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,300 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,638 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 30,059 |
| The Life of Winston Churchill | 0 | - | 4.06 | 10,534 |
| Geography of Russia | 0 | - | 4.40 | 17,984 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,287 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,244 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,063 |
| Biggest Trading Partners - Russia | 0 | - | 4.64 | 29,067 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,452 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.16 | 33,577 |
| Most Guessed European Capitals | 0 | - | 4.84 | 67,304 |
| Cities Founded by the French in North America | 0 | - | 4.54 | 35,336 |
| Arms Exports - Russia | 0 | - | 4.25 | 11,801 |
| European Capitals with the Least Sunshine | 0 | - | 4.47 | 43,608 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,917 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,167 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,228 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,375 |
| Flags of Countries That Border Russia | 0 | - | 4.74 | 51,036 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,163 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,881 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,659 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,499 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,116 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 101,147 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 55,605 |
| Pope Facts | 0 | - | 4.31 | 15,655 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 115,914 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.54 | 11,601 |
| Russia by Picture | 0 | - | 4.36 | 16,564 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,415 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,380 |
| European Secessionist Movements on a Map | 0 | - | 4.54 | 26,681 |
| Cities Bombed During WWII | 0 | - | 4.03 | 24,286 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,817 |
| Random European Capital to Country | 0 | - | 4.97 | 128,201 |
| Random European Country to Capital | 0 | - | 4.90 | 103,631 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 44,446 |
| Countries that Beat Russia | 0 | - | 4.45 | 45,289 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,624 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,876 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.47 | 36,751 |
