| US States Quiz | 0 | - | 5.00 | 16,736,343 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,620 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,960 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,567 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,617 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,935 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,178 |
| U.S. States By Population | 0 | - | 4.92 | 152,550 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,614 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,998 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,848 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,030 |
| Draw All US State Borders | 0 | - | 4.99 | 134,332 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,998 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,790 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,182 |
| US States with an Empty Map | 0 | - | 5.00 | 619,990 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,646 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,081 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,124 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,667 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,277 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,677 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,935 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,215 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,046 |
| New England States | 0 | - | 4.51 | 59,723 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,543 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,909 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,430 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,718 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,714 |
| U.S. States by Borders | 0 | - | 4.63 | 35,126 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,206 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,282 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,247 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,663 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,999 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,817 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,517 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,366 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,635 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,475 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,501 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,317 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,062 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,710 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,890 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,704 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,017 |
| Pixelated United States Map | 0 | - | 4.89 | 93,645 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,325 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,509 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,651 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,474 |
| Flyover States | 0 | - | 4.52 | 29,421 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,961 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,888 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,854 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,204 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,232 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,613 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,839 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,867 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,894 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,852 |
| Regions of U.S. States | 0 | - | 4.37 | 43,551 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,761 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,508 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,348 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,789 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,221 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,024 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,050 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,867 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,625 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,561 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,996 |
| States of Mexico | 0 | - | 4.95 | 173,911 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,433 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 53,228 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 41,067 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,584 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,769 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,947 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,297 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,850 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,907 |
| U.S. State Flags | 0 | - | 4.89 | 167,952 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,016 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,234 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,996 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,040 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,612 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,938 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,677 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,558 |
| US States and State Capitals | 0 | - | 4.99 | 159,279 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,530 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,144 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,243 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,950 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,104 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,619 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,276 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,795 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,413 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,685 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,522,588 |
| U.S. State Symbols | 0 | - | 4.38 | 24,264 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,838 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,462 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,001 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,538 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,864 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,948 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,835 |
| U.S. Panhandles | 0 | - | 4.21 | 27,086 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,741 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,545 |
| Hated U.S. States | 0 | - | 4.16 | 14,167 |
| U.S. States by Haiku | 0 | - | 4.20 | 13,098 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,234 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,185 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,618 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,146 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,762 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,956 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,042 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,982 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,574 |
| Flags of North and South America | 0 | - | 4.99 | 368,665 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,051 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,405 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,959 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,761 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,624 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,066 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,917 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,659 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,872 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,494 |
| United States Country Quiz | 0 | - | 4.43 | 100,799 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,100 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,717 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,675 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,668 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,788 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,852 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,071 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,808 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,967 |
| Random U.S. City to State | 0 | - | 4.45 | 75,485 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,057 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,314 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,119 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,130 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,667,875 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,887 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,385 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,218 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,383,133 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,935 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,060 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,136 |
| Boroughs of New York City | 0 | - | 4.47 | 84,213 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,471 |
| The Only American Country ... | 0 | - | 4.92 | 120,924 |
| Belize Country Quiz | 0 | - | 4.85 | 20,839 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,082 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,010 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,064 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,265 |
| Movies by State | 0 | - | 4.27 | 40,462 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,136 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,038 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,351 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,224 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,704 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,514 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,922 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,535 |
| Largest United States Airlines | 0 | - | 4.39 | 54,879 |
| States of Brazil | 0 | - | 4.98 | 86,720 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,170 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,496 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,603 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,870 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,006 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,769 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,671 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,217 |
| ALL California Cities | 0 | - | 4.37 | 42,883 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,401 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,669 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,954 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,127 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 78,644 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,426 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,423 |
