| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 120,100 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,645 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,305 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,085 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,674 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,541 |
| US States and State Capitals | 0 | - | 4.99 | 166,217 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,662 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,460 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,511 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,555 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,626 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,664 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,242 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 138,011 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,817 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,565 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 35,331 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,254 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,632 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,099 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,365 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,100 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,638 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,177 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,321 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,032 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,040 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,781 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,640 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,855 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,026 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,450 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,934 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,436 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,167 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,770 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,658 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,908 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,361 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,620 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,880 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,965 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,696 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,660 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,815 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,855 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,860 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,946 |
| Biggest Cities in Europe | 0 | - | 4.70 | 550,035 |
| Largest City by Island | 0 | - | 4.87 | 72,621 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,537 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,945 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,306 |
| Megacities on a World Map | 0 | - | 4.98 | 257,690 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,654 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,602 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,890 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,894 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,222 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,043 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,572 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,942 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,473 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,813 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,767 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,536 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,511 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,130 |
| Biggest Cities in California | 0 | - | 4.35 | 140,612 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,530 |
| Biggest Cities in New York State | 0 | - | 4.32 | 60,023 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 46,774 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,937 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,494 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,926 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 50,275 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,868 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,345 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,418 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,130 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,451 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,135 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,798 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,428 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,419 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,952 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,261 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,391 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,055 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,863 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,566 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,805 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,530 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,144 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,049 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,610 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 85,015 |
| Biggest Cities in New Jersey | 0 | - | 4.13 | 29,520 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,356 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,958 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,130 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,155 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,114 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,813 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,384 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,543 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 21,030 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,260 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,998 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,254 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,285 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,587 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,628 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,118 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,961 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,762 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,258 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,488 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 43,012 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,331 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,691 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,522 |
| Countries with Megacities | 0 | - | 4.99 | 268,243 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,641 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,903 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,317 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,279 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,423 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,670 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,550 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,776 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,245 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,692 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,192 |
| Biggest City by Region | 0 | - | 4.50 | 36,432 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,393 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,337 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,472 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,642 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,958 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,772 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,479 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,615 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,511 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,137 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,632 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,868 |
| Biggest Cities in France | 0 | - | 4.72 | 225,751 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,447 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,385 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,383 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,023 |
| Biggest Cities in China | 0 | - | 4.53 | 160,311 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,727 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,532 |
| Biggest Cities in India | 0 | - | 4.64 | 68,150 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,849 |
| Which City in Canada? | 0 | - | 4.83 | 57,441 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,879 |
| U.S. State Flags | 0 | - | 4.88 | 173,711 |
| Hawaiian Islands | 0 | - | 4.83 | 43,046 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,597 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,859 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,745 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,007 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,660 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,939 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,958 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,125 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,297 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,128 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,737 |
| Biggest Cities in History | 0 | - | 4.52 | 90,748 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,271 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,069 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,662 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,745 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,810 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,756 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,756 |
| Cities of Ireland | 0 | - | 4.51 | 50,985 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,279 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 24,096 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,338 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,317 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,150 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,769 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,522 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,946 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,135 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,078 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,651 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,334 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,597 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,965 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,923 |
