| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,578 |
| US States Quiz | 0 | - | 5.00 | 16,957,158 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,875 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,184 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,313 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,122 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,231 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,681 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,024 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,341 |
| Pixelated United States Map | 0 | - | 4.88 | 94,635 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,236 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,217 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,542 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,754 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,965 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,975 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,623 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,981 |
| U.S. States By Population | 0 | - | 4.92 | 153,935 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,962 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,739 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,691 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,433 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,941 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,522 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,851 |
| US States with an Empty Map | 0 | - | 5.00 | 627,306 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,320 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,943 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,288 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,077 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,258 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,895 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,733 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,860 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,037 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,446 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,482 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,950 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,661 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,280 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,617 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,125 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,164 |
| States of Mexico | 0 | - | 4.96 | 177,525 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,423 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,888 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,040 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,759 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,657 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,642 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,252 |
| United States Country Quiz | 0 | - | 4.43 | 101,976 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,016 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,207 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,632 |
| California Groups of Things | 0 | - | 4.26 | 45,699 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,303 |
| New York Groups of Things | 0 | - | 4.39 | 71,464 |
| Canada Country Quiz | 0 | - | 4.54 | 132,865 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,489 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,138 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,949 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,815 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,243 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,210 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,912 |
| Rivers of the United States | 0 | - | 4.93 | 66,517 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,199 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,088 |
| Geography of California | 0 | - | 4.26 | 10,603 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,706 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,940 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,844 |
| History of Pennsylvania | 0 | - | 4.16 | 7,157 |
| History of Virginia | 0 | - | 4.31 | 11,628 |
| Washington State by Picture | 0 | - | 4.26 | 7,743 |
| New England States | 0 | - | 4.51 | 59,870 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,065 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 65,990 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,978 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,075 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,575 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,290 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,018 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,208 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,079 |
| U.S. States by Borders | 0 | - | 4.61 | 35,427 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,918 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,629 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,242 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,894 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,039 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,382 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,939 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,555 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,817 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,101 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,340 |
| O Canada Lyrics | 0 | - | 4.47 | 51,027 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,905 |
| Flags of North and South America | 0 | - | 4.99 | 375,669 |
| Belize Country Quiz | 0 | - | 4.85 | 21,056 |
| Top U.S. Universities | 0 | - | 4.15 | 145,596 |
| Largest United States Airlines | 0 | - | 4.39 | 55,118 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,666 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,792 |
| U.S. States by Governor | 0 | - | 4.43 | 18,103 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,737 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,746 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,109 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,980 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,684 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,865 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,201 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,492 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,139 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,568 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,890 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,631 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,461 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,925 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,573 |
| Famous Missourians | 0 | - | 4.12 | 6,426 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,317 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,273 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,422 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,721 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,497 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,570 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,207 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,428 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,455 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,297 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,261 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,425 |
| State Quiz - Washington | 0 | - | 4.45 | 36,569 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,848 |
| Events in U.S. History | 0 | - | 4.41 | 28,776 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,135 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,702 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,540 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,262 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,629 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,716 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,931 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,395 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,945 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,788 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,339 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,004 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,977 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,407 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,437 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,400 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,125 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,303 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,558 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,441 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,604 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,702 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,497 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,913 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,987 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,673 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,238 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,432 |
| American Founding Fathers | 0 | - | 4.42 | 23,257 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,242 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,952 |
| Movies Set in Miami | 0 | - | 4.32 | 16,709 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,792 |
| New York City Geography | 0 | - | 4.43 | 33,162 |
| People on Money - United States | 0 | - | 4.31 | 63,399 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,553 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,172 |
| Fifty US States in One Minute | 0 | - | 4.62 | 3,550,974 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,989 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,554 |
| Flyover States | 0 | - | 4.52 | 29,570 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,221 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,335 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,968 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,221 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,425 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,160 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,814 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,256 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,630 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,467 |
| The Only American Country ... | 0 | - | 4.92 | 122,027 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,484 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,593 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,487 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,404 |
| States of Brazil | 0 | - | 4.97 | 89,143 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,813 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,243 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,749 |
