| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 739,903 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,399,523 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,265 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,160 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 159,829 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,208 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 299,172 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,106 |
| Biggest Cities by Language | 0 | - | 4.95 | 200,410 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,708 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,243 |
| Biggest Cities in Japan | 0 | - | 4.69 | 69,330 |
| Biggest US Cities by Decade | 0 | - | 4.94 | 139,224 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,335 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,184 |
| Biggest Cities in Poland | 0 | - | 4.55 | 42,848 |
| Countries that Border China | 0 | - | 4.96 | 218,483 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,514 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,596 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,506 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.33 | 64,610 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.20 | 72,534 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,588 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 62,795 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.11 | 58,593 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,018 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 56,898 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 63,951 |
| Biggest U.S. Cities A-Z | 0 | - | 4.61 | 113,822 |
| Biggest Cities in France | 0 | - | 4.44 | 170,319 |
| Biggest Cities in Spain | 0 | - | 4.60 | 139,423 |
| Biggest Cities in Italy | 0 | - | 4.60 | 198,088 |
| Biggest Cities in California | 0 | - | 4.33 | 123,490 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,510 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,199 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 86,658 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,021 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 44,925 |
| Biggest Cities in New York State | 0 | - | 4.24 | 52,898 |
| Biggest Cities in Europe | 0 | - | 4.50 | 419,450 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 18,397 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,050 |
| Biggest Cities in Canada | 0 | - | 4.60 | 112,537 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,095 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 73,760 |
| Asia Capitals Quiz | 0 | - | 4.98 | 529,511 |
| Biggest Cities in China | 0 | - | 4.44 | 124,184 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,342 |
| Biggest Cities in Germany | 0 | - | 4.93 | 238,053 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,084 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 139,732 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,115 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,209 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,303 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,347 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,720 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,586 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,586 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,456 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,883 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,479 |
| Biggest Cities in Alaska | 0 | - | 4.31 | 21,974 |
| Biggest English Cities by Century | 0 | - | 4.92 | 90,221 |
| Biggest Cities in Switzerland | 0 | - | 4.54 | 40,326 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 112,991 |
| Biggest Cities in India | 0 | - | 4.60 | 57,444 |
| Biggest Cities in Asia | 0 | - | 4.91 | 88,852 |
| Japanese Prefectures | 0 | - | 4.97 | 87,295 |
| China Country Quiz | 0 | - | 4.35 | 95,161 |
| Japan Country Quiz | 0 | - | 4.89 | 108,388 |
| Asia Capital to Country | 0 | - | 4.95 | 98,991 |
| Biggest Cities in History | 0 | - | 4.46 | 73,767 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 60,890 |
| China Cities Map Quiz | 0 | - | 4.82 | 81,673 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 77,890 |
| Provinces of China | 0 | - | 4.96 | 128,559 |
| Chinese Inventions | 0 | - | 4.19 | 31,739 |
| Hong Kong Facts | 0 | - | 4.39 | 21,558 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,012 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 64,725 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 79,080 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 61,595 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,287 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 16,999 |
| Countries Closest to Japan | 0 | - | 4.94 | 106,203 |
| Most Populous World Capitals | 0 | - | 4.89 | 131,786 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.39 | 26,542 |
| History of China | 0 | - | 4.39 | 41,124 |
| Biggest European Cities by Century | 0 | - | 4.96 | 109,685 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 74,628 |
| U.S. Cities by Hispanic Population | 0 | - | 4.21 | 23,429 |
| Overseas Chinese Population | 0 | - | 4.53 | 37,552 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 62,892 |
| China A-Z | 0 | - | 4.52 | 54,409 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.59 | 60,715 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 32,223 |
| Cities of Ireland | 0 | - | 4.42 | 36,866 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 36,800 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 152,612 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 47,853 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 122,872 |
| Cities of China (With Some Help) | 0 | - | 4.83 | 25,229 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,503 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.95 | 133,128 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,034 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 43,803 |
| Countries of Asia with an Empty Map | 0 | - | 4.99 | 193,463 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,007 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 85,659 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 37,062 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 49,168 |
| Megacities on a World Map | 0 | - | 4.98 | 206,003 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 182,113 |
| Asian Capitals by Map | 0 | - | 4.98 | 36,257 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 99,738 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,016 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,370 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,053 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 13,373 |
| Countries of Europe After World War II | 0 | - | 4.97 | 151,992 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,628 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 332,850 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,773 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 51,796 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 35,968 |
| World Capitals Closest to Bangkok | 0 | - | 4.93 | 35,852 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 466,874 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.14 | 71,470 |
| Megacities on an Empty Map | 0 | - | 4.96 | 80,529 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 42,918 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 65,756 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 23,214 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,324 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 57,028 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 32,932 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 23,824 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,510 |
| Most Visited Countries by Chinese People | 0 | - | 4.38 | 43,708 |
| Most-Visited Countries by Japanese | 0 | - | 4.93 | 47,913 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 45,711 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 64,030 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 78,560 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 37,603 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 84,943 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.85 | 44,053 |
| Chinese Geography on the Map | 0 | - | 4.54 | 19,971 |
| The Dictator Files: Chairman Mao | 0 | - | 4.14 | 16,860 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,301 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 55,849 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.59 | 52,866 |
| Flags of Countries that Border China | 0 | - | 4.90 | 73,061 |
| Closest Countries to North Korea | 0 | - | 4.90 | 97,104 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 275,098 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 85,143 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,352 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,708 |
| Paramount Leaders of China | 0 | - | 4.23 | 9,011 |
| Top Asian Languages on a Map | 0 | - | 4.92 | 54,620 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 121,903 |
| China by Picture | 0 | - | 4.49 | 47,998 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 63,702 |
| 500 Biggest US Cities | 0 | - | 4.84 | 82,669 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.53 | 14,997 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 27,218 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,699 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 60,935 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.51 | 48,122 |
| Random Asian Capital to Country | 0 | - | 4.96 | 77,430 |
| Random Asian Country to Capital | 0 | - | 4.91 | 68,030 |
| Countries that Beat China | 0 | - | 4.60 | 81,528 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 35,490 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 50,278 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 60,696 |
| Countries in the Byzantine Empire | 0 | - | 4.92 | 61,308 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,665 |
| Pixelated Asia Map | 0 | - | 4.89 | 56,283 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 84,215 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 78,814 |
| China Multiple Choice | 0 | - | 4.44 | 33,239 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 22,682 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 30,441 |
| Random Asian Countries on a Map | 0 | - | 4.94 | 133,479 |
| Random Asian Capitals on a Map | 0 | - | 4.80 | 40,392 |
| Biggest Cities in Australia on a Map | 0 | - | 4.60 | 29,056 |
| Largest Nordic Cities on a Map | 0 | - | 4.51 | 16,818 |
| Hong Kong A-Z | 0 | - | 4.51 | 12,327 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 17,583 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.46 | 18,466 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 46,707 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 96,888 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 20,578 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.52 | 33,157 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.92 | 36,958 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 30,219 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 62,784 |
| Tokyo City Trivia | 0 | - | 4.46 | 11,388 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 92,935 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.43 | 40,496 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.03 | 14,519 |
| Capitals of the Stans | 0 | - | 4.92 | 18,059 |
