| Biggest Cities in Germany | 293,244 | 0 | - |
| Communist Countries in History | 495,342 | 0 | - |
| Biggest Cities of the Russian Empire | 1,111 | - | - |
| Biggest Cities in New Zealand | 24,181 | 0 | - |
| US Cities With the Most Fast Food Restaurants per Capita | 90 | - | - |
| All 1M D Cities on a Map | 301 | - | - |
| All 1M E, F, G Cities on a Map | 276 | - | - |
| All 1M B Cities on a Map | 353 | - | - |
| All 100k Cities in Texas on a Map | 2,708 | - | - |
| Biggest Cities in Ohio | 48,745 | 0 | - |
| Biggest U.S. Cities Starting with D | 107,284 | 0 | - |
| Biggest U.S. Cities Starting with O | 33,668 | 0 | - |
| Random Sequential Asian Capitals on a Map | 6,059 | - | - |
| Biggest Cities in Alabama | 11,017 | - | - |
| Biggest Cities in Wisconsin | 25,168 | 0 | - |
| Biggest Cities in Washington State | 36,171 | 0 | - |
| Biggest Cities in Virginia | 25,150 | 0 | - |
| Biggest Cities in Vermont | 3,728 | - | - |
| Biggest Cities in Tennessee | 20,878 | 0 | - |
| Biggest Cities in Oregon | 20,727 | 0 | - |
| Biggest Cities in Indiana | 27,009 | 0 | - |
| All Cities in India with Population of 1 Million | 47,516 | 0 | - |
| Biggest Cities in Michigan | 34,169 | 0 | - |
| Biggest Cities in North Carolina | 35,055 | 0 | - |
| Biggest Cities in Louisiana | 19,968 | 0 | - |
| Biggest Cities in Illinois | 26,908 | 0 | - |
| Biggest Cities in Kansas | 6,677 | - | - |
| Biggest Cities in Massachusetts | 30,564 | 0 | - |
| Most Mentioned Enemies of the USA | 175,379 | 0 | - |
| Words for Communities | 12,334 | 0 | - |
| Top 10 Least Populous U.S. States | 191,483 | 0 | - |
| Top 10 U.S. States With the Most Endemic Species | 22,456 | 0 | - |
| Biggest Cities in Turkey | 505 | - | - |
| Tibet Prefectures | 108 | - | - |
| Biggest Cities in Spain | 171,019 | 0 | - |
| State Quiz - Alabama | 27,980 | 0 | - |
| Languages of Pakistan | 325 | - | - |
| Officially Recognized Languages of India | 31,302 | 0 | - |
| States of India | 193,000 | 0 | - |
| Biggest Cities in New Jersey | 27,265 | 0 | - |
| Biggest Cities in Nebraska | 5,203 | - | - |
| Biggest Cities in Each U.S. State - Extreme | 79,325 | 0 | - |
| U.S. Cities with the Most Skyscrapers | 95,538 | 0 | - |
| Every City in Alabama on a Map | 8,471 | 0 | - |
| Name a Valid First-Level Subdivision for Every Country | 49,995 | 0 | - |
| Name a Language - Asian Countries | 133 | - | - |
| Category Elimination - U.S. States #2 | 134,054 | 0 | - |
| Coups d'Etat - Name the Country | 27,677 | 0 | - |
| Most Forested Countries | 74 | - | - |
| Biggest Cities in Missouri | 17,408 | 0 | - |
| States of Mexico | 175,801 | 0 | - |
| Fastest Shrinking U.S. Cities | 40,366 | 0 | - |
| 100 Biggest US Cities in 1900 | 73,059 | 0 | - |
| Mexico Country Quiz | 72,387 | 0 | - |
| Every City in Florida on a Map | 12,226 | 0 | - |
| 100 Biggest U.S. Cities on a Map | 116,697 | 0 | - |
| Every 1,000,000+ City on a Map | 114,461 | 0 | - |
| Fastest Cars (production cars around the track) | 641 | - | - |
| Biggest Cities in the U.S. - Extreme | 159,165 | 0 | - |
| 5 Largest Cities for Different Peninsulas on Map | 3,334 | - | - |
| Random Country to 5 Largest Cities on Map | 1,253 | - | - |
| Every 100k+ City in Texas Triangle Megalopolis on a Map | 387 | - | - |
| Largest Cities of Eastern Africa on Map | 421 | - | - |
| U.S. Cities with the Highest Murder Rate | 138,286 | 0 | - |
| Biggest Cities in the United States | 977,196 | 0 | - |
| Cities by Skyline Silhouette - Map Quiz | 123,820 | 0 | - |
| Countries with the Worst Persecution of Christians | 3,137 | - | - |
| Nauru Geography on the Map | 893 | - | - |
| Nauru Country Quiz | 23,328 | 0 | - |
| Biggest Cities in Germany in 1910 | 23,469 | 0 | - |
| Biggest Cities of the Polish-Lithuanian Commonwealth with a Map | 1,699 | - | - |
| Biggest Cities in Nevada | 5,389 | - | - |
| Biggest Cities in New Mexico | 5,019 | - | - |
| Biggest Cities in Maine | 5,272 | - | - |
| Top Five Languages by Language Family | 53,939 | 0 | - |
| African Great Lakes | 66,145 | 0 | - |
| 25 Biggest Cities of the Soviet Union | 84,415 | 0 | - |
| Soviet Leaders 1917–1991 | 94,923 | 0 | - |
| Brazil States Map Quiz | 47,997 | 0 | - |
| Beatles Song Titles with Shared First Words | 19,589 | 0 | - |
| Name Every Beatles Song | 235,960 | 0 | - |
| Countries of the German Empire | 37,911 | 0 | - |
| Common U.S. Street Names | 85,543 | 0 | - |
| Biggest Cities in Brazil | 53,080 | 0 | - |
| High Elevation U.S. Cities on a Map | 535 | - | - |
| Every 1,000,000+ Japanese and Korean City on a Map | 2,509 | - | - |
| Biggest German Cities within 50 kilometres | 402 | - | - |
| Top 20 Country Subdivisions by GDP | 2,553 | - | - |
| Biggest Cities in Mississippi | 4,589 | - | - |
| 100 Biggest Soviet Cities in 1989 with a Map | 29,803 | 0 | - |
| 100 Biggest U.S. Cities after the Civil War on a Map | 788 | - | - |
| Every Urban Area in the U.S. Mountain West on a Map | 91 | - | - |
| Biggest US Cities by Decade | 168,048 | 0 | - |
| 100 U.S. Cities that Have Lost the Most People | 15,654 | 0 | - |
| Biggest Cities in Canada | 132,781 | 0 | - |
| Top 10 U.S. States with the Most Lighthouses | 29,052 | 0 | - |
| Famous Rivers | 104,929 | 0 | - |
| Five Biggest Cities by Country - Extreme | 41,462 | 0 | - |
| States of Germany | 152,286 | 0 | - |
| Elements of the Periodic Table | 2,240,367 | 0 | - |
| Largest Nordic Cities on a Map | 37,051 | 0 | - |
| Ireland Country Quiz | 134,481 | 0 | - |
| African Cities in the Top 200 Worldwide | 50,896 | 0 | - |
| 50 Biggest Cities in Nordic Countries on a Blank Map | 14,084 | 0 | - |
| Top Halloween Candy by State | 879 | - | - |
| Cities in the Dallas Metro Area on a Map | 8,598 | 0 | - |
| Cities in the Portland Metro Area on a Map | 1,553 | - | - |
| Former USSR Cities over 1 Million Population | 2,301 | - | - |
| Most Flown-To Cities from Each U.S. State | 3,790 | - | - |
| Biggest Cities in North Africa on a Map | 1,838 | - | - |
| Biggest Cities in the Southern Hemisphere | 84,391 | 0 | - |
| U.S. City Nicknames | 103,664 | 0 | - |
| 100 Biggest Cities in Russia on a Map | 51,688 | 0 | - |
| 100 Biggest Cities in Canada on a Map | 27,208 | - | - |
| Biggest U.S. Cities With Native American Names | 106 | - | - |
| 100 Most Popular Roblox Games | 1,549 | - | - |
| Biggest City in Every U.S. House District on a Map | 4,480 | - | - |
| Countries with More Neighbors than Letters | 30,016 | 0 | - |
| Biggest Lakes in the World | 89,368 | 0 | - |
| Official Cities in the UK | 283,416 | 0 | - |
| Top 100 Harry Potter Characters by Mention | 393,643 | 0 | - |
| Bands That are "The" Something | 55,690 | 0 | - |
| Name a Valid U.S. City over 100,000 | 40,250 | 0 | - |
| U.S. Coastal Cities > 100,000 Population | 19,198 | 0 | - |
| Every City in Michigan's Upper Peninsula | 42 | - | - |
| 100 Biggest U.S. Cities of the Sun Belt in 1900 | 262 | - | - |
| Cities in the Las Vegas Metro Area on a Map | 219 | - | - |
