| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,404 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,034 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,838 |
| US States Quiz | 0 | - | 5.00 | 16,843,933 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,855 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,327 |
| US States with an Empty Map | 0 | - | 5.00 | 623,628 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,053 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,090 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,825 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,446 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,990 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,358 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,876 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,550 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,716 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,582 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,618 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,693 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,228 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,251 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,773 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,051 |
| U.S. States By Population | 0 | - | 4.92 | 153,210 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,264 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,356 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,178 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,132 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,506 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,833 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,712 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,638 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,368 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,678 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,540 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,470 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,847 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,938 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,085 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,112 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,269 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,635 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,577 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,094 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,902 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,018 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,754 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,658 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,763 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,743 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,736 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,446 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,167 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,868 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,285 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,453 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,878 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,046 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,047 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,486 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,992 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,042 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,920 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,978 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,487 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,607 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,335 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,258 |
| Random U.S. City to State | 0 | - | 4.45 | 76,182 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,232 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,654 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,674 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,294 |
| New England States | 0 | - | 4.51 | 59,788 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,759 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,988 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,731 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,940 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,884 |
| U.S. States by Borders | 0 | - | 4.61 | 35,273 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,261 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,449 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,979 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,558 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,620 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,111 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,695 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,372 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,309 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,136 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,179 |
| Regions of U.S. States | 0 | - | 4.37 | 43,822 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,559 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,376 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,839 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,275 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,112 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,122 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,399 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,352 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,617 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,225 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,054 |
| US States and State Capitals | 0 | - | 4.99 | 161,570 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,389 |
| Boroughs of New York City | 0 | - | 4.47 | 84,520 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,376 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,429 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,571 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,835 |
| States of Mexico | 0 | - | 4.95 | 175,664 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,388 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,811 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,863 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,473 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,746 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,535,183 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,901 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,064 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,954 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,736 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,974 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,330 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,435 |
| ALL California Cities | 0 | - | 4.37 | 43,002 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,278 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,907 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,504 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,951 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,428 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,574 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,278 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,088 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,422 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,332 |
| Pixelated United States Map | 0 | - | 4.87 | 94,120 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,806 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,511 |
| Flyover States | 0 | - | 4.52 | 29,488 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,090 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,089 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,324 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,086 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,703 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,271 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,711 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,679 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,853 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,865 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,134 |
| Countries with Megacities | 0 | - | 4.99 | 261,474 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,993 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,054 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,273 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,082 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,304 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,217 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,202 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,648 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,329 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,124 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,677,920 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,140 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,430 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,992 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,793 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,658 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,797 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,657 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,323 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,688 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,863 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,925 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,785 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,349 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,125 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,359 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,688 |
| American TV Show Settings | 0 | - | 4.35 | 30,638 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,379 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,680 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,736 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,098 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,397 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,567 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,003 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,441 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,292 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,028 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,599 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,450 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,195 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,802 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,409 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,356 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,776 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,587 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,505 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,731 |
