| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,666 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,185 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,418 |
| US States Quiz | 0 | - | 5.00 | 16,999,512 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,869 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,044 |
| US States with an Empty Map | 0 | - | 5.00 | 628,810 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,716 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,337 |
| Draw All US State Borders | 0 | - | 4.99 | 140,981 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,173 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,317 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,309 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,497 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,077 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,579 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,701 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,037 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,033 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,092 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,296 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,329 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,377 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,397 |
| U.S. States By Population | 0 | - | 4.92 | 154,168 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,248 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,908 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,876 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,543 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,112 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,031 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,445 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,484 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,054 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,171 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,883 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,536 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,221 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,691 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,096 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,060 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,699 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,465 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,228 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,935 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,606 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,168 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,882 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,799 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,951 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,139 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,102 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,659 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 60,944 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,149 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,847 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,222 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,318 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,244 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,565 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,835 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,017 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,403 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,306 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,689 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,767 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,170 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,015 |
| Random U.S. City to State | 0 | - | 4.45 | 76,926 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,452 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,124 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,049 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,131 |
| New England States | 0 | - | 4.51 | 59,900 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,067 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,121 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,163 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,287 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,149 |
| U.S. States by Borders | 0 | - | 4.62 | 35,488 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,905 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,686 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,347 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,547 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,139 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,843 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,906 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,880 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,803 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,254 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,263 |
| Regions of U.S. States | 0 | - | 4.37 | 44,198 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,632 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,424 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,935 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,374 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,226 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,404 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,839 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,671 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,307 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,114 |
| US States and State Capitals | 0 | - | 4.99 | 165,436 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
| Boroughs of New York City | 0 | - | 4.47 | 85,339 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,432 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,542 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,675 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,501 |
| States of Mexico | 0 | - | 4.96 | 178,325 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,618 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,210 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,983 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,574 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,836 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,054 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,966 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,232 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,131 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,014 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,029 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,599 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,742 |
| ALL California Cities | 0 | - | 4.37 | 43,249 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,507 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,446 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,103 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,726 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,081 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,572 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,459 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,619 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,504 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,503 |
| Pixelated United States Map | 0 | - | 4.88 | 94,827 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,065 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,569 |
| Flyover States | 0 | - | 4.53 | 29,600 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,265 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,411 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,467 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,190 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,012 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,449 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,041 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,828 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,409 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,560 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,218 |
| Countries with Megacities | 0 | - | 4.99 | 267,226 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,898 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,165 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,214 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,281 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,980 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,783 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,245 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,693 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,017 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,404 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,693,383 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,266 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,480 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,055 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,252 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,398,654 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,854 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,713 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,421 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,711 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,283 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,173 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,005 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,541 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,413 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,333 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,105 |
| American TV Show Settings | 0 | - | 4.37 | 30,702 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,493 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,888 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,367 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,037 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,013 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,034 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,229 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,372 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,120 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,656 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,505 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,385 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,881 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,487 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,396 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,461 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,342 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,141 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,685 |
