| Countries that Beat the United States | 0 | - | 4.93 | 166,264 |
| US States Quiz | 0 | - | 5.00 | 16,794,862 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,010 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,260 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,629 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,126 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,878 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,559 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,720 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,951 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,184 |
| Pixelated United States Map | 0 | - | 4.89 | 93,891 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,102 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,343 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,127 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,443 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,997 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,003 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,475 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,691 |
| U.S. States By Population | 0 | - | 4.92 | 152,854 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,978 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,218 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,015 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,023 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,336 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,006 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,937 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,184 |
| US States with an Empty Map | 0 | - | 5.00 | 621,839 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,460 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,239 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,473 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,629 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,414 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,295 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,170 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,613 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,734 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,653 |
| States of Mexico | 0 | - | 4.95 | 174,986 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,263 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,530 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,143 |
| United States Country Quiz | 0 | - | 4.43 | 101,127 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,771 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,784 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,885 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,203 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,823 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,824 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,005 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,489 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,489 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,553 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,872 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,769 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,262 |
| New England States | 0 | - | 4.51 | 59,763 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,676 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,958 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,599 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,859 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,813 |
| U.S. States by Borders | 0 | - | 4.61 | 35,217 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,380 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,861 |
| Movies by State | 0 | - | 4.27 | 40,503 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,105 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,656 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,487 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,023 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,609 |
| Flags of North and South America | 0 | - | 4.99 | 370,718 |
| Belize Country Quiz | 0 | - | 4.85 | 20,897 |
| Top U.S. Universities | 0 | - | 4.15 | 144,603 |
| Largest United States Airlines | 0 | - | 4.39 | 54,942 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,779 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,526 |
| U.S. States by Governor | 0 | - | 4.43 | 18,026 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,634 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,617 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,803 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,795 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,635 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,390 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,120 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,728 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,459 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,987 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,715 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,619 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,413 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,559 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,836 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,624 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,206 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,598 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,443 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,714 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,638 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,295 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,216 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,765 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,736 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,733 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,408 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,849 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,968 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,827 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,963 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,777 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,577 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,853 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,457 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,029 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,291 |
| American Founding Fathers | 0 | - | 4.42 | 23,146 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,311 |
| California Groups of Things | 0 | - | 4.25 | 45,345 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,229 |
| New York Groups of Things | 0 | - | 4.38 | 60,036 |
| People on Money - United States | 0 | - | 4.31 | 63,286 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,354 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,897 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,315 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,733 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,499 |
| Flyover States | 0 | - | 4.52 | 29,457 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,027 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,006 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,825 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,478 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,282 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,041 |
| Musical Acts by State | 0 | - | 4.05 | 19,572 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,185 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,731 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,430 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,408 |
| The Only American Country ... | 0 | - | 4.92 | 121,235 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,784 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,250 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,938 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,221 |
| Names of Generations | 0 | - | 4.00 | 37,608 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,542 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,039 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,725 |
| Regions of U.S. States | 0 | - | 4.37 | 43,690 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,360 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,528 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,816 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,252 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,818 |
| Canada Country Quiz | 0 | - | 4.54 | 132,156 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,941 |
| Canada A-Z | 0 | - | 4.73 | 32,737 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,862 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,506 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,413,236 |
| Name a Valid African Country | 0 | - | 4.98 | 153,521 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,466 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,234 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,355 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,523 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,516 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,511 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,768 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,221 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,638 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,246 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 36,063 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,437 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,717 |
| States of Brazil | 0 | - | 4.97 | 87,275 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,554 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,874 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,904 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,176 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,812 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,319 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,079 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,358 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,399 |
| Random U.S. City to State | 0 | - | 4.45 | 75,835 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,152 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,204 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,326 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,020 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,125 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,496 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,022 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,845 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,440 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,743 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,018 |
| Geography of California | 0 | - | 4.26 | 10,535 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,671 |
