| US States Quiz | 0 | - | 5.00 | 16,906,055 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,429 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,336 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,078 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,633 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,608 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,229 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,543 |
| U.S. States By Population | 0 | - | 4.92 | 153,683 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,635 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,549 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,449 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,301 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,743 |
| US States with an Empty Map | 0 | - | 5.00 | 625,634 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,781 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,286 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,413 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,062 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,808 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,759 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,615 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,923 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,332 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,273 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,848 |
| Pixelated United States Map | 0 | - | 4.88 | 94,406 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,874 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,935 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,996 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,876 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,215 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,615 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,740 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,891 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,582 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,511 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,230 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,863 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,969 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,943 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,383 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,014 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,459 |
| New England States | 0 | - | 4.51 | 59,829 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,870 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,029 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,884 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,084 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,985 |
| U.S. States by Borders | 0 | - | 4.61 | 35,360 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,527 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,123 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,976 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,861 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,519 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,230 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,831 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,898 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,841 |
| States of Mexico | 0 | - | 4.96 | 176,590 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,928 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,804 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,122 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,951 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,861 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,006 |
| History of Pennsylvania | 0 | - | 4.16 | 7,141 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,479 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,511 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,113 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,081 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,566 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,663 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,632 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,578 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,603 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,202 |
| United States Country Quiz | 0 | - | 4.43 | 101,663 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,930 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,080 |
| California Groups of Things | 0 | - | 4.25 | 45,515 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,291 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,175 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,078 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,857 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,524 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,419 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,515 |
| New York Groups of Things | 0 | - | 4.35 | 63,875 |
| Famous Missourians | 0 | - | 4.12 | 6,414 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,272 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,391 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,694 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,568 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,387 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,233 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,836 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,899 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,536 |
| Flyover States | 0 | - | 4.52 | 29,529 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,151 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,232 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,437 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,524 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,040 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,486 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,916 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,784 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,223 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,948 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,734 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,221 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,021 |
| Regions of U.S. States | 0 | - | 4.37 | 43,956 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,399 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,593 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,870 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,372 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,124 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,314 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,259 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,895 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,212 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,271 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,175 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,360 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,820 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,379 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,508 |
| Geography of California | 0 | - | 4.26 | 10,579 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,696 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,223 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,916 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,828 |
| History of Virginia | 0 | - | 4.31 | 11,608 |
| Washington State by Picture | 0 | - | 4.26 | 7,734 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,505 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,921 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,616 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,068 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,951 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,901 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,522 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,790 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,955 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,322 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,804 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,023 |
| Flags of North and South America | 0 | - | 4.99 | 373,961 |
| Belize Country Quiz | 0 | - | 4.85 | 21,008 |
| Top U.S. Universities | 0 | - | 4.15 | 145,302 |
| Largest United States Airlines | 0 | - | 4.39 | 55,065 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,784 |
| U.S. States by Governor | 0 | - | 4.43 | 18,077 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,713 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,702 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,914 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,364 |
| Events in U.S. History | 0 | - | 4.41 | 28,699 |
| U.S. State Symbols | 0 | - | 4.38 | 24,320 |
| U.S. State Flags | 0 | - | 4.88 | 171,112 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,870 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,384 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,521 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,589 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,930 |
| U.S. Panhandles | 0 | - | 4.21 | 27,184 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,788 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,686 |
| Hated U.S. States | 0 | - | 4.16 | 14,229 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,141 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,157 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,146 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,842 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,979 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,364 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,201 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,369 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,218 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,946 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,600 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,169 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,704 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,387 |
| American Founding Fathers | 0 | - | 4.42 | 23,234 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,151 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,942 |
| Famous People from Florida by Picture | 0 | - | 3.86 | 19,775 |
| Movies Set in Miami | 0 | - | 4.32 | 16,704 |
| Famous People from Georgia by Picture | 0 | - | 3.67 | 22,104 |
| Famous People from Iowa | 0 | - | 3.79 | 7,252 |
| Famous Kentuckians Quiz | 0 | - | 3.88 | 5,819 |
| Famous People from Louisiana by Picture | 0 | - | 3.94 | 16,493 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,783 |
| Famous People from Minnesota by Picture | 0 | - | 3.74 | 20,441 |
| New York City Geography | 0 | - | 4.42 | 33,123 |
| Famous People from Mississippi by Picture | 0 | - | 4.00 | 18,713 |
| Famous People from North Carolina by Picture | 0 | - | 3.72 | 15,030 |
| Famous People from Oklahoma | 0 | - | 4.00 | 6,242 |
