| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,281 |
| Pixelated United States Map | 0 | - | 4.90 | 87,472 |
| US States Quiz | 0 | - | 5.00 | 15,702,582 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,357 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 165,004 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 200,270 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 70,164 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 354,000 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,795 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,751 |
| Deadliest U.S. Wars | 0 | - | 4.84 | 165,653 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 108,754 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 103,627 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 105,891 |
| U.S. States with Short Names | 0 | - | 4.89 | 139,208 |
| U.S. States that Start with M | 0 | - | 4.92 | 176,986 |
| U.S. States By Population | 0 | - | 4.90 | 136,221 |
| U.S. States that Start with N | 0 | - | 4.94 | 163,236 |
| U.S. States with Longest Names | 0 | - | 4.87 | 40,002 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 82,842 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 61,043 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,371 |
| US States with an Empty Map | 0 | - | 5.00 | 587,026 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,664 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 36,839 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 302,968 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,305 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,520 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 41,294 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 95,534 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 77,850 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 86,480 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 123,057 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 195,595 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 106,741 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 117,109 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 77,135 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 59,113 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 57,736 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 66,044 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,333 |
| States of Mexico | 0 | - | 4.93 | 155,748 |
| Mexico States Map Quiz | 0 | - | 4.81 | 96,965 |
| Florida Pro Sport Teams | 0 | - | 4.67 | 11,041 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.89 | 24,826 |
| Washington State by Picture | 0 | - | 4.24 | 7,399 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,183 |
| U.S. National Parks Quiz | 0 | - | 4.80 | 50,199 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,712 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,279 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,111 |
| Cities by Picture #2 | 0 | - | 4.22 | 33,747 |
| United States Country Quiz | 0 | - | 4.45 | 95,095 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 74,887 |
| Famous People from California by Picture | 0 | - | 4.29 | 34,115 |
| California Groups of Things | 0 | - | 4.24 | 44,199 |
| Hawaiian Islands Map Quiz | 0 | - | 4.75 | 21,744 |
| New York Groups of Things | 0 | - | 4.39 | 58,708 |
| Famous People from Texas by Picture | 0 | - | 4.03 | 32,508 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,971 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,639 |
| U.S. Geography by Letter - B | 0 | - | 4.49 | 56,426 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 47,617 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 721,675 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 78,126 |
| New England States | 0 | - | 4.52 | 53,148 |
| US States by Land Area | 0 | - | 4.63 | 50,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 37,180 |
| Add a Letter - Make a U.S. State | 0 | - | 4.73 | 79,538 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 53,383 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 39,013 |
| U.S. States by Borders | 0 | - | 4.59 | 33,675 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,632 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 85,017 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.49 | 42,272 |
| Asian Last Names in the United States | 0 | - | 4.43 | 45,055 |
| United States Map Quiz | 0 | - | 4.98 | 4,035,029 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,847 |
| Countries Closest to Alaska | 0 | - | 4.91 | 104,211 |
| Geography of California | 0 | - | 4.23 | 10,098 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,386 |
| Countries Closest to Maine | 0 | - | 4.85 | 62,494 |
| New York Pro Sport Teams | 0 | - | 4.31 | 25,241 |
| Texas Pro Sport Teams | 0 | - | 4.14 | 16,472 |
| History of Pennsylvania | 0 | - | 4.11 | 6,812 |
| History of Virginia | 0 | - | 4.34 | 11,283 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 50,867 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 62,797 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,217 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.75 | 54,009 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,272 |
| Longest U.S. State Borders | 0 | - | 4.62 | 36,836 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 66,949 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 32,466 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 31,830 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 109,610 |
| U.S. States with the Most Borders | 0 | - | 4.55 | 61,706 |
| Flags of Africa Quiz | 0 | - | 5.00 | 420,508 |
| Belize Country Quiz | 0 | - | 4.87 | 19,820 |
| Top U.S. Universities | 0 | - | 4.14 | 135,958 |
| Largest United States Airlines | 0 | - | 4.38 | 53,372 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,729 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,445 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,876 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.13 | 25,565 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,080 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.19 | 10,442 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,611 |
| Famous People from Alabama by Picture | 0 | - | 4.06 | 23,353 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 19,513 |
| Famous People from Indiana by Picture | 0 | - | 4.32 | 23,828 |
| Famous People from Maryland by Picture | 0 | - | 4.16 | 16,179 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 23,536 |
| Famous People from Michigan by Picture | 0 | - | 4.29 | 20,479 |
| Famous Missourians Quiz | 0 | - | 4.12 | 6,197 |
| Famous People from New Jersey by Picture | 0 | - | 4.16 | 21,391 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,225 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.23 | 24,412 |
| Movies Set in Pennsylvania | 0 | - | 4.17 | 11,337 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 26,209 |
| Famous People from Virginia by Picture | 0 | - | 4.22 | 23,554 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,121,155 |
| Flags of Asia Quiz | 0 | - | 4.99 | 561,862 |
| U.S. Geography by Letter - C | 0 | - | 4.21 | 61,186 |
| U.S. Geography by Letter - A | 0 | - | 4.32 | 48,988 |
| U.S. Geography by Letter - D | 0 | - | 4.02 | 45,181 |
| U.S. Geography by Letter - T | 0 | - | 4.25 | 44,691 |
| U.S. Geography by Letter - P | 0 | - | 4.31 | 42,675 |
| U.S. Geography by Letter - M | 0 | - | 4.19 | 41,953 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,967 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,616 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,238 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 104,284 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,120 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.26 | 12,942 |
| Movies Set in San Francisco | 0 | - | 4.22 | 19,721 |
| Movies Set in Miami | 0 | - | 4.32 | 16,478 |
| Movies Set in Boston | 0 | - | 4.14 | 9,492 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,875 |
| People on Money - United States | 0 | - | 4.32 | 62,531 |
| U.S. History Groups of Two | 0 | - | 4.22 | 43,100 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 42,896 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 72,851 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,052 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,577 |
| Flyover States | 0 | - | 4.51 | 28,726 |
| U.S. States With Double Letters | 0 | - | 4.65 | 22,491 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 73,747 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,350 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,211 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,920 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 73,092 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 46,341 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 76,984 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,562 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 124,184 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 62,452 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 115,200 |
| Top 10 Least Religious U.S. States | 0 | - | 4.50 | 32,678 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,803 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.78 | 61,001 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 40,500 |
| Pixelated Africa Map | 0 | - | 4.98 | 93,040 |
| Flags of Oceania | 0 | - | 5.00 | 233,339 |
| The Only American Country ... | 0 | - | 4.93 | 114,985 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,530 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,869 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 230,262 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 70,028 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 67,627 |
| Who Did that Motown Song | 0 | - | 4.46 | 12,854 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 17,693 |
| Regions of US States | 0 | - | 4.16 | 32,101 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,049 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,156 |
| Which U.S. State - Multiple Choice | 0 | - | 4.47 | 19,674 |
| Movies by State Quiz | 0 | - | 4.24 | 39,953 |
| Canada Country Quiz | 0 | - | 4.53 | 126,655 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 112,683 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,794 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,197 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,669 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,563 |
| Mexico Country Quiz | 0 | - | 4.48 | 69,240 |
| Mexico Cities Map Quiz | 0 | - | 4.75 | 32,083 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,961 |
| Brazil States Map Quiz | 0 | - | 4.84 | 43,711 |
| States of Brazil | 0 | - | 4.97 | 77,143 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.06 | 18,854 |
| U.S. States by Picture #2 | 0 | - | 3.51 | 11,217 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 82,171 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,396 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,651 |
| U.S. Electoral College Landslides | 0 | - | 4.32 | 21,488 |
| Los Angeles vs. New York | 0 | - | 4.38 | 18,102 |
| Chicago City Trivia | 0 | - | 4.27 | 30,897 |
| Events in U.S. History | 0 | - | 4.39 | 27,233 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,345 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 37,871 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 36,621 |
