| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,790 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| US States Quiz | 0 | - | 5.00 | 16,830,925 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,797 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,456 |
| US States with an Empty Map | 0 | - | 5.00 | 623,237 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,016 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,723 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,379 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,893 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,356 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,617 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,420 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,586 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,489 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,535 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,638 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,159 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,200 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,686 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,959 |
| U.S. States By Population | 0 | - | 4.92 | 153,002 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,185 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,122 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,458 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,662 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,596 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,630 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,477 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,393 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,017 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,051 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,224 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,563 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,467 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,031 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,848 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,746 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,710 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,700 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,434 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,145 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,846 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,258 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,383 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,031 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,476 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,924 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,976 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,896 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,958 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,468 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,593 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,128 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,219 |
| Random U.S. City to State | 0 | - | 4.45 | 76,107 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,205 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,614 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,403 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,227 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,747 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,982 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,687 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,914 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,873 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,061 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,940 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,417 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,496 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,008 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,613 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,262 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,169 |
| Regions of U.S. States | 0 | - | 4.37 | 43,792 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,550 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,369 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,832 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,271 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,103 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,092 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,220 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,048 |
| US States and State Capitals | 0 | - | 4.99 | 161,260 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,385 |
| Boroughs of New York City | 0 | - | 4.47 | 84,476 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,316 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,200 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,451 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,788 |
| States of Mexico | 0 | - | 4.95 | 175,489 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,356 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,788 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,853 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,465 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,732 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,663 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,898 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,050 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,944 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,645 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,874 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,814 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,411 |
| ALL California Cities | 0 | - | 4.37 | 42,986 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,893 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,494 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,340 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,509 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,255 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,019 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,315 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,054 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,783 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,506 |
| Flyover States | 0 | - | 4.52 | 29,478 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,076 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,071 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,313 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,074 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,687 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,255 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,684 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,667 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,041 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,660 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,970 |
| Countries with Megacities | 0 | - | 4.99 | 258,571 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,960 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,124 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,966 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,253 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,533 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,133 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,536 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,289 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,103 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,634 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,128 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,426 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,986 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,442 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,044 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,793 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,655 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,318 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,456 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,808 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,908 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,772 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,335 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,109 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,379 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,512 |
| American TV Show Settings | 0 | - | 4.35 | 30,634 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,373 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,669 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,725 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,084 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,814 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,956 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,999 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,394 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,022 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,591 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,446 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,180 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,796 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,403 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,354 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,716 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,538 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,662 |
