| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,405 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,392 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,624 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,089 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,341 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,745 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,206 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,499 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,252 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,116 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,625 |
| US States Quiz | 0 | - | 5.00 | 16,961,967 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,255 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,330 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,284 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,860 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,819 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,037 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,286 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,865 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,753 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,800 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,019 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,035 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,680 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,036 |
| U.S. States By Population | 0 | - | 4.92 | 153,963 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,993 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,759 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,722 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,449 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,958 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Draw All US State Borders | 0 | - | 4.99 | 139,877 |
| US States with an Empty Map | 0 | - | 5.00 | 627,493 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,786 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,895 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,366 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,323 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,997 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,340 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,519 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,613 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,183 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,454 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,917 |
| Random U.S. City to State | 0 | - | 4.45 | 76,763 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,395 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,018 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,934 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,188 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,651 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,992 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,732 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,375 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,680 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,742 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,829 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,253 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,108 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,757 |
| Boroughs of New York City | 0 | - | 4.47 | 84,865 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,749 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,768 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,492 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,699 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,160 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,783 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,441 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,336 |
| States of Mexico | 0 | - | 4.96 | 177,648 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,057 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,665 |
| ALL California Cities | 0 | - | 4.37 | 43,190 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,487 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,191 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,267 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,242 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,534 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,878 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,550 |
| Pixelated United States Map | 0 | - | 4.88 | 94,653 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,616 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,829 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,525 |
| Countries with Megacities | 0 | - | 4.99 | 266,024 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,313 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,778 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,900 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,807 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,705 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,426 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,658 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,120 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,960 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,492 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,356 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,649 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,213 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,057 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,660 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,973 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,328 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,808 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,286 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,923 |
| New England States | 0 | - | 4.51 | 59,872 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,993 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,092 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,035 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,223 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,087 |
| U.S. States by Borders | 0 | - | 4.61 | 35,432 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,036 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,640 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,262 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,289 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,141 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,658 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,470 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,748 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,011 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,401 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,425 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,721 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,650 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,836 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,214 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,071 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,563 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,085 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,844 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,733 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,474 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,545 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,070 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,197 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,863 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,892 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,580 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,524 |
| American TV Show Settings | 0 | - | 4.37 | 30,689 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Name a City - European Countries | 0 | - | 4.90 | 65,958 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,282 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,164 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,258 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,656 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,283 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,954 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,688 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,308 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,143 |
| Biggest Cities in History | 0 | - | 4.52 | 90,462 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,747 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,909 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,632 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,471 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,919 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,586 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,618 |
| Belize Country Quiz | 0 | - | 4.85 | 21,059 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,285 |
| Flags of North and South America | 0 | - | 4.99 | 375,859 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,896 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,049 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,003 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,584 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,299 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,544 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,074 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,721 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,745 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,303 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,222 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,632 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,719 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,162 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,830 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,076 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,454 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,580 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,716 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,102 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,382 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,414 |
