| Biggest Cities in Germany | 294,975 | 0 | - |
| Communist Countries in History | 497,799 | 0 | - |
| Biggest Cities of the Russian Empire | 1,119 | - | - |
| Biggest Cities in New Zealand | 24,253 | 0 | - |
| US Cities With the Most Fast Food Restaurants per Capita | 92 | - | - |
| All 1M D Cities on a Map | 303 | - | - |
| All 1M E, F, G Cities on a Map | 278 | - | - |
| All 1M B Cities on a Map | 355 | - | - |
| All 100k Cities in Texas on a Map | 2,741 | - | - |
| Biggest Cities in Ohio | 48,948 | 0 | - |
| Biggest U.S. Cities Starting with D | 107,716 | 0 | - |
| Biggest U.S. Cities Starting with O | 33,892 | 0 | - |
| Random Sequential Asian Capitals on a Map | 6,104 | - | - |
| Biggest Cities in Alabama | 11,117 | - | - |
| Biggest Cities in Wisconsin | 25,275 | 0 | - |
| Biggest Cities in Washington State | 36,422 | 0 | - |
| Biggest Cities in Virginia | 25,285 | 0 | - |
| Biggest Cities in Vermont | 3,762 | - | - |
| Biggest Cities in Tennessee | 20,981 | 0 | - |
| Biggest Cities in Oregon | 20,889 | 0 | - |
| Biggest Cities in Indiana | 27,148 | 0 | - |
| All Cities in India with Population of 1 Million | 47,965 | 0 | - |
| Biggest Cities in Michigan | 34,267 | 0 | - |
| Biggest Cities in North Carolina | 35,228 | 0 | - |
| Biggest Cities in Louisiana | 20,051 | 0 | - |
| Biggest Cities in Illinois | 27,057 | 0 | - |
| Biggest Cities in Kansas | 6,722 | - | - |
| Biggest Cities in Massachusetts | 30,718 | 0 | - |
| Most Mentioned Enemies of the USA | 176,026 | 0 | - |
| Words for Communities | 12,377 | 0 | - |
| Top 10 Least Populous U.S. States | 192,519 | 0 | - |
| Top 10 U.S. States With the Most Endemic Species | 22,517 | 0 | - |
| Biggest Cities in Turkey | 511 | - | - |
| Tibet Prefectures | 109 | - | - |
| Biggest Cities in Spain | 172,015 | 0 | - |
| State Quiz - Alabama | 28,131 | 0 | - |
| Languages of Pakistan | 333 | - | - |
| Officially Recognized Languages of India | 31,535 | 0 | - |
| States of India | 195,581 | 0 | - |
| Biggest Cities in New Jersey | 29,266 | 0 | - |
| Biggest Cities in Nebraska | 5,254 | - | - |
| Biggest Cities in Each U.S. State - Extreme | 84,342 | 0 | - |
| U.S. Cities with the Most Skyscrapers | 95,753 | 0 | - |
| Every City in Alabama on a Map | 8,633 | 0 | - |
| Name a Valid First-Level Subdivision for Every Country | 50,355 | 0 | - |
| Name a Language - Asian Countries | 134 | - | - |
| Category Elimination - U.S. States #2 | 135,436 | 0 | - |
| Coups d'Etat - Name the Country | 27,738 | 0 | - |
| Most Forested Countries | 74 | - | - |
| Biggest Cities in Missouri | 17,480 | 0 | - |
| States of Mexico | 177,956 | 0 | - |
| Fastest Shrinking U.S. Cities | 40,516 | 0 | - |
| 100 Biggest US Cities in 1900 | 73,319 | 0 | - |
| Mexico Country Quiz | 72,697 | 0 | - |
| Every City in Florida on a Map | 12,492 | 0 | - |
| 100 Biggest U.S. Cities on a Map | 118,255 | 0 | - |
| Every 1,000,000+ City on a Map | 116,019 | 0 | - |
| Fastest Cars (production cars around the track) | 641 | - | - |
| Biggest Cities in the U.S. - Extreme | 159,973 | 0 | - |
| 5 Largest Cities for Different Peninsulas on Map | 3,350 | - | - |
| Random Country to 5 Largest Cities on Map | 1,257 | - | - |
| Every 100k+ City in Texas Triangle Megalopolis on a Map | 391 | - | - |
| Largest Cities of Eastern Africa on Map | 421 | - | - |
| U.S. Cities with the Highest Murder Rate | 138,968 | 0 | - |
| Biggest Cities in the United States | 985,861 | 0 | - |
| Cities by Skyline Silhouette - Map Quiz | 124,606 | 0 | - |
| Countries with the Worst Persecution of Christians | 3,141 | - | - |
| Nauru Geography on the Map | 895 | - | - |
| Nauru Country Quiz | 23,443 | 0 | - |
| Biggest Cities in Germany in 1910 | 23,551 | 0 | - |
| Biggest Cities of the Polish-Lithuanian Commonwealth with a Map | 1,720 | - | - |
| Biggest Cities in Nevada | 5,425 | - | - |
| Biggest Cities in New Mexico | 5,082 | - | - |
| Biggest Cities in Maine | 5,310 | - | - |
| Top Five Languages by Language Family | 54,428 | 0 | - |
| African Great Lakes | 66,888 | 0 | - |
| 25 Biggest Cities of the Soviet Union | 84,844 | 0 | - |
| Soviet Leaders 1917–1991 | 95,472 | 0 | - |
| Brazil States Map Quiz | 48,509 | 0 | - |
| Beatles Song Titles with Shared First Words | 19,771 | 0 | - |
| Name Every Beatles Song | 238,103 | 0 | - |
| Countries of the German Empire | 38,142 | 0 | - |
| Common U.S. Street Names | 85,752 | 0 | - |
| Biggest Cities in Brazil | 53,391 | 0 | - |
| High Elevation U.S. Cities on a Map | 560 | - | - |
| Every 1,000,000+ Japanese and Korean City on a Map | 2,552 | - | - |
| Biggest German Cities within 50 kilometres | 402 | - | - |
| Top 20 Country Subdivisions by GDP | 2,569 | - | - |
| Biggest Cities in Mississippi | 4,627 | - | - |
| 100 Biggest Soviet Cities in 1989 with a Map | 30,039 | 0 | - |
| 100 Biggest U.S. Cities after the Civil War on a Map | 802 | - | - |
| Every Urban Area in the U.S. Mountain West on a Map | 92 | - | - |
| Biggest US Cities by Decade | 168,899 | 0 | - |
| 100 U.S. Cities that Have Lost the Most People | 15,829 | 0 | - |
| Biggest Cities in Canada | 133,422 | 0 | - |
| Top 10 U.S. States with the Most Lighthouses | 29,148 | 0 | - |
| Famous Rivers | 105,208 | 0 | - |
| Five Biggest Cities by Country - Extreme | 42,173 | 0 | - |
| States of Germany | 154,252 | 0 | - |
| Elements of the Periodic Table | 2,258,077 | 0 | - |
| Largest Nordic Cities on a Map | 37,346 | 0 | - |
| Ireland Country Quiz | 135,162 | 0 | - |
| African Cities in the Top 200 Worldwide | 51,460 | 0 | - |
| 50 Biggest Cities in Nordic Countries on a Blank Map | 14,227 | 0 | - |
| Top Halloween Candy by State | 883 | - | - |
| Cities in the Dallas Metro Area on a Map | 8,713 | 0 | - |
| Cities in the Portland Metro Area on a Map | 1,570 | - | - |
| Former USSR Cities over 1 Million Population | 2,319 | - | - |
| Most Flown-To Cities from Each U.S. State | 3,805 | - | - |
| Biggest Cities in North Africa on a Map | 1,861 | - | - |
| Biggest Cities in the Southern Hemisphere | 85,172 | 0 | - |
| U.S. City Nicknames | 103,828 | 0 | - |
| 100 Biggest Cities in Russia on a Map | 52,613 | 0 | - |
| 100 Biggest Cities in Canada on a Map | 27,848 | - | - |
| Biggest U.S. Cities With Native American Names | 109 | - | - |
| 100 Most Popular Roblox Games | 1,704 | - | - |
| Biggest City in Every U.S. House District on a Map | 5,213 | - | - |
| Countries with More Neighbors than Letters | 30,512 | 0 | - |
| Biggest Lakes in the World | 89,883 | 0 | - |
| Official Cities in the UK | 285,911 | 0 | - |
| Top 100 Harry Potter Characters by Mention | 396,865 | 0 | - |
| Bands That are "The" Something | 56,009 | 0 | - |
| Name a Valid U.S. City over 100,000 | 40,421 | 0 | - |
| U.S. Coastal Cities > 100,000 Population | 19,291 | 0 | - |
| Every City in Michigan's Upper Peninsula | 42 | - | - |
| 100 Biggest U.S. Cities of the Sun Belt in 1900 | 272 | - | - |
| Cities in the Las Vegas Metro Area on a Map | 239 | - | - |
