| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,844 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,725 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,318 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,482 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,472 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,747 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,228 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,641 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,852 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,471 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,397 |
| US States Quiz | 0 | - | 5.00 | 17,025,757 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,915 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,467 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,820 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,375 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,258 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,215 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,024 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,639 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,484 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,058 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,208 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,453 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,472 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,543 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,592 |
| U.S. States By Population | 0 | - | 4.92 | 154,273 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,393 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,993 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,995 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,608 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,223 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,943 |
| Draw All US State Borders | 0 | - | 4.99 | 141,601 |
| US States with an Empty Map | 0 | - | 5.00 | 629,684 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,420 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,629 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,712 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,510 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,268 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,685 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,664 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,004 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,296 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,350 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,287 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,517 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,110 |
| Random U.S. City to State | 0 | - | 4.45 | 77,044 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,483 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,221 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,722 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,909 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,005 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,975 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,493 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,359 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,117 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,992 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,153 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,674 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,201 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,916 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,824 |
| Boroughs of New York City | 0 | - | 4.47 | 85,433 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,195 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,806 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,200 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,452 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,580 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,093 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,797 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,606 |
| States of Mexico | 0 | - | 4.96 | 178,812 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,226 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,810 |
| ALL California Cities | 0 | - | 4.37 | 43,284 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,523 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,616 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,336 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,769 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,617 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,668 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,675 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,875 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,343 |
| Pixelated United States Map | 0 | - | 4.89 | 94,951 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,388 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,055 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,560 |
| Countries with Megacities | 0 | - | 4.99 | 267,992 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,212 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,369 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,542 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,474 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,118 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,226 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,620 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,575 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,210 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,035 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,460 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,933 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,332 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,281 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,132 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,766 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,100 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,421 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,934 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,139 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,589 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,465 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,120 |
| New England States | 0 | - | 4.51 | 59,914 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,117 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,139 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,233 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,342 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,191 |
| U.S. States by Borders | 0 | - | 4.61 | 35,517 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,316 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,722 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,406 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,594 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,565 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,847 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,018 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,388 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,442 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,746 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,123 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,231 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,983 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,918 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,711 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,684 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,982 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,408 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,250 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,119 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,729 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,861 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,327 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,586 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,827 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,167 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,416 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,592 |
| American TV Show Settings | 0 | - | 4.37 | 30,714 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,918 |
| Name a City - European Countries | 0 | - | 4.89 | 66,405 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,454 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,229 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,119 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,687 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,136 |
| Mexico True or False? | 0 | - | 4.89 | 49,066 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,983 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,058 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,716 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,288 |
| Countries More Populous than All Their Neighbors Combined | 0 | - | 4.91 | 38,877 |
| Biggest Cities in History | 0 | - | 4.52 | 90,718 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,223 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,354 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,741 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,519 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,610 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,946 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,598 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,679 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,011 |
| Belize Country Quiz | 0 | - | 4.85 | 21,121 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,319 |
| Flags of North and South America | 0 | - | 4.99 | 378,253 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,988 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,201 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,180 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,689 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,541 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,197 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,929 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,126 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,492 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,352 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,718 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,786 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,656 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,604 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,884 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,913 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,074 |
