| US States Quiz | 0 | - | 5.00 | 16,896,531 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,282 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,028 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,564 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,552 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,162 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,462 |
| U.S. States By Population | 0 | - | 4.92 | 153,645 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,582 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,519 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,416 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,262 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,708 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,223 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,724 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,351 |
| US States with an Empty Map | 0 | - | 5.00 | 625,313 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,832 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,046 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,863 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,213 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,929 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,211 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,238 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,158 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,856 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,544 |
| New England States | 0 | - | 4.51 | 59,822 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,854 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,022 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,867 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,054 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,967 |
| U.S. States by Borders | 0 | - | 4.61 | 35,349 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,109 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,511 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,101 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,899 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,757 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,452 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,026 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,823 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,874 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,842 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,514 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,221 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,966 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,617 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,826 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,883 |
| Pixelated United States Map | 0 | - | 4.87 | 94,365 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,556 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,657 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,882 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,534 |
| Flyover States | 0 | - | 4.52 | 29,526 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,142 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,218 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,171 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,164 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,901 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,567 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,650 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,207 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,192 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,745 |
| Regions of U.S. States | 0 | - | 4.37 | 43,930 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,575 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,586 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,394 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,862 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,309 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,138 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,756 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,783 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,947 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,182 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,885 |
| States of Mexico | 0 | - | 4.96 | 176,423 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,435 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,414 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,087 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,063 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,105 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,398 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,012 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,436 |
| U.S. State Flags | 0 | - | 4.88 | 170,849 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,239 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,364 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,118 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,250 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,071 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,065 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,790 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| US States and State Capitals | 0 | - | 4.99 | 162,990 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,429 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,465 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,609 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,930 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,317 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,055 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,497 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,902 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,041 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,892 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,513 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,786 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,542,233 |
| U.S. State Symbols | 0 | - | 4.38 | 24,315 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,868 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,519 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,629 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,588 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,929 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,042 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,403 |
| U.S. Panhandles | 0 | - | 4.21 | 27,173 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,786 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,684 |
| Hated U.S. States | 0 | - | 4.16 | 14,222 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,132 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,179 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,877 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,338 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,620 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,364 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,661 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,342 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,185 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,097 |
| Flags of North and South America | 0 | - | 4.99 | 373,716 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,185 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,449 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,014 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,807 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,669 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,380 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,714 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,983 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,124 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,595 |
| United States Country Quiz | 0 | - | 4.43 | 101,622 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,195 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,021 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,000 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,326 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,919 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,433 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,202 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,430 |
| Random U.S. City to State | 0 | - | 4.45 | 76,364 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,294 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,808 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,978 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,645 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,683,561 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,469 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,906 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,370 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,392,779 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,445 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,168 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,209 |
| Boroughs of New York City | 0 | - | 4.47 | 84,659 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,204 |
| The Only American Country ... | 0 | - | 4.92 | 121,719 |
| Belize Country Quiz | 0 | - | 4.85 | 20,998 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,233 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,546 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,544 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 628,828 |
| Movies by State | 0 | - | 4.27 | 40,557 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,446 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,506 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,406 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,282 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,851 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,181 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,976 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,560 |
| Largest United States Airlines | 0 | - | 4.39 | 55,053 |
| States of Brazil | 0 | - | 4.97 | 88,338 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,041 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,443 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,434 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,522 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,941 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,267 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,385 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,535 |
| ALL California Cities | 0 | - | 4.37 | 43,083 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,460 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,611 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,443 |
