| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 709,081 |
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,682,545 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,566 |
| U.S. Presidents by Picture | 0 | - | 4.81 | 348,112 |
| Biggest Cities in Texas | 0 | - | 4.20 | 95,233 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,939 |
| English Monarchs Quiz | 0 | - | 4.85 | 379,951 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,832 |
| Countries That Border Russia | 0 | - | 4.98 | 368,545 |
| Communist Countries in History | 0 | - | 4.48 | 383,866 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,198 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,956 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 342,001 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,194 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,249 |
| U.S. Presidents by State | 0 | - | 4.27 | 61,218 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,532 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,363 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,417 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,813 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,256 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,658 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,010 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,860 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,757 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,250 |
| Countries that Border Poland | 0 | - | 4.98 | 130,014 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,696 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,072 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,248 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,596 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,580 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,638 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,470 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,321 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,999 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,559 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,457 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,217 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,137 |
| Biggest Cities in France | 0 | - | 4.52 | 161,776 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,069 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,314 |
| Biggest Cities in California | 0 | - | 4.30 | 120,001 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,513 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,170 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,911 |
| Countries in World War I | 0 | - | 4.91 | 183,111 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,200 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,354 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,247 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,276 |
| Biggest Cities in Europe | 0 | - | 4.63 | 404,123 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,547 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,279 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,887 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,642 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,147 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,446 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,172 |
| Biggest Cities in China | 0 | - | 4.42 | 118,408 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,099 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,902 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,473 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,018 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,819 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,349 |
| Famous Russians Quiz | 0 | - | 4.16 | 21,033 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,508 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,833 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,615 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,200 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,220 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,719 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,852 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,823 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,340 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,055 |
| Biggest Cities in India | 0 | - | 4.52 | 54,941 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,041 |
| Official Cities in the UK | 0 | - | 4.89 | 197,805 |
| Russia Country Quiz | 0 | - | 4.86 | 91,120 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,803 |
| Biggest Cities in History | 0 | - | 4.47 | 70,700 |
| European Cities A-Z | 0 | - | 4.22 | 66,885 |
| British Places A-Z | 0 | - | 4.23 | 60,343 |
| The Bill Clinton Presidency | 0 | - | 4.12 | 28,257 |
| The George H. W. Bush Presidency | 0 | - | 4.34 | 19,029 |
| The Ronald Reagan Presidency | 0 | - | 4.21 | 21,693 |
| The Jimmy Carter Presidency | 0 | - | 4.24 | 16,446 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.37 | 20,352 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,430 |
| Europe Capital to Country | 0 | - | 4.99 | 199,190 |
| Name the Popes Quiz | 0 | - | 4.44 | 89,737 |
| Important Cities in European History | 0 | - | 4.49 | 88,439 |
| Important Cities in WWII | 0 | - | 4.37 | 75,891 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,525 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,866 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,272 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,244 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,983 |
| History of Russia Quiz | 0 | - | 4.39 | 27,311 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,722 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,982 |
| World Leaders of the Cold War | 0 | - | 4.26 | 19,481 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,272 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 68,598 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,471 |
| Soviet Leaders 1917–1991 | 0 | - | 4.34 | 65,345 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,074 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,264 |
| Countries Invaded by the USSR | 0 | - | 4.22 | 60,151 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.94 | 150,752 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,897 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,289 |
| Most Mentioned Enemies of Russia | 0 | - | 4.73 | 73,386 |
| Russia A-Z | 0 | - | 4.37 | 23,287 |
| Most Mentioned Allies of Russia | 0 | - | 4.34 | 29,863 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,712 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,536 |
| Cities of Ireland | 0 | - | 4.40 | 35,704 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,880 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,355 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,975 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,206 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,398 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,370 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,591 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,010 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,537 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,460 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,476 |
| European Cities with the Biggest Economies | 0 | - | 4.47 | 30,813 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,862 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,839 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,622 |
| Megacities on a World Map | 0 | - | 4.97 | 199,811 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,703 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,523 |
| Countries of the Popes | 0 | - | 4.74 | 70,321 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.96 | 143,530 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,724 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,725 |
| Federal Subjects of Russia | 0 | - | 4.95 | 81,614 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,643 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,637 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,571 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 143,935 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,931 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,296 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,547 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,084 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,735 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,833 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,246 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.34 | 40,855 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,668 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,120 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,856 |
| The Life of Winston Churchill | 0 | - | 4.06 | 10,558 |
| Geography of Russia | 0 | - | 4.40 | 18,059 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,563 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,474 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,686 |
| Biggest Trading Partners - Russia | 0 | - | 4.64 | 29,242 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 114,868 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,577 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.16 | 33,698 |
| Most Guessed European Capitals | 0 | - | 4.84 | 67,626 |
| Cities Founded by the French in North America | 0 | - | 4.51 | 35,436 |
| Arms Exports - Russia | 0 | - | 4.25 | 11,864 |
| European Capitals with the Least Sunshine | 0 | - | 4.47 | 43,715 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,122 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,323 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,391 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,820 |
| Flags of Countries That Border Russia | 0 | - | 4.74 | 51,400 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,724 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,111 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,884 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,595 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,181 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 102,167 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 55,777 |
| Pope Facts | 0 | - | 4.31 | 15,696 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,451 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.54 | 11,682 |
| Russia by Picture | 0 | - | 4.36 | 16,657 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,109 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,466 |
| European Secessionist Movements on a Map | 0 | - | 4.55 | 26,839 |
| Cities Bombed During WWII | 0 | - | 4.03 | 24,340 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,895 |
| Random European Capital to Country | 0 | - | 4.97 | 128,781 |
| Random European Country to Capital | 0 | - | 4.90 | 103,999 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 44,831 |
| Countries that Beat Russia | 0 | - | 4.46 | 45,470 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,970 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,354 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.47 | 36,879 |
