| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,115 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,079 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,734 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,488 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,269 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,952 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,270 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,216 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,449 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,902 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,536 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,988 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,855 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,776 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,544 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,710 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,789 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,317 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,176 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,010 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,544 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,567 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,171 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,488 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,983 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,022 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,840 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,529 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,515 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,161 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,826 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,282 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,371 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,002 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,755 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,241 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,438 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,490 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,686 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,241 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,650 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,720 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,307 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,999 |
| Largest City by Island | 0 | - | 4.87 | 72,483 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,445 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,729 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,175 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,545 |
| Megacities on a World Map | 0 | - | 4.98 | 257,083 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,582 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,207 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,723 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,471 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,527 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,329 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,793 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,724 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,556 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,476 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,622 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,471 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,142 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,037 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,423 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,028 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,255 |
| US States Quiz | 0 | - | 5.00 | 17,002,655 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,040 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,056 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,731 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,785 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,506 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,367 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,547 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,728 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,030 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,326 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,992 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,076 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,130 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,448 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,631 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,690 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,514 |
| States of Mexico | 0 | - | 4.96 | 178,361 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,621 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,655 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,628 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,259 |
| Countries with Megacities | 0 | - | 4.99 | 267,329 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,942 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,190 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,259 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,306 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,167 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,596 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,472 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,631 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,523 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| Pixelated United States Map | 0 | - | 4.88 | 94,836 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,104 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,316 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,341 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,392 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,414 |
| U.S. States By Population | 0 | - | 4.92 | 154,183 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,262 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,917 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,890 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,550 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,130 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,136 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,662 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,486 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,167 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,589 |
| Biggest City by Region | 0 | - | 4.50 | 36,398 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,349 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,087 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,314 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,447 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,574 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,581 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,207 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,413 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,057 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,465 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,746 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,345 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,270 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,722 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,500 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,409 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,057 |
| US States with an Empty Map | 0 | - | 5.00 | 628,916 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,213 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,340 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,436 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,363 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,303 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,710 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,344 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,930 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,257 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,650 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,905 |
| Biggest Cities in History | 0 | - | 4.52 | 90,625 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,073 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,916 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,387 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,077 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,749 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,616 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,631 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,404 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,714 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,761 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,533 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,776 |
| Biggest Cities in France | 0 | - | 4.70 | 225,394 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,240 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,294 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,304 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,866 |
| Biggest Cities in China | 0 | - | 4.53 | 159,959 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,476 |
| Biggest Cities in India | 0 | - | 4.64 | 68,073 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,480 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,167 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,188 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,990 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,610 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,124 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,774 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,123 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,615 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,907 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,564 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,892 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,233 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,246 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,466 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,930 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,411 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,722 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,786 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,920 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,212 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,866 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,924 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,557 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,218 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,531 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,876 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,789 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,589 |
