| US States Quiz | 0 | - | 5.00 | 16,967,595 |
| States of Mexico | 0 | - | 4.96 | 177,735 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,474 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,363 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,198 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,330 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,916 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,053 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,616 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,332 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,772 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,707 |
| Pixelated United States Map | 0 | - | 4.88 | 94,681 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,327 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,284 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,592 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,848 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,077 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,084 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,874 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,099 |
| U.S. States By Population | 0 | - | 4.92 | 154,004 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,040 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,780 |
| US States with an Empty Map | 0 | - | 5.00 | 627,673 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,751 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,461 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,982 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,551 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,911 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,342 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,016 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,382 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,142 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,318 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,944 |
| Canada A-Z | 0 | - | 4.73 | 32,936 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,832 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,951 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,251 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,716 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,332 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,686 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,154 |
| O Canada Lyrics | 0 | - | 4.47 | 51,036 |
| Flags of North and South America | 0 | - | 4.99 | 376,025 |
| Belize Country Quiz | 0 | - | 4.85 | 21,062 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,346 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,071 |
| The Only American Country ... | 0 | - | 4.92 | 122,081 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,535 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,066 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,479 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,665 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,831 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,268 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,660 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,601 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,467 |
| States of Brazil | 0 | - | 4.97 | 89,308 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,681 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,652 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,121 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| United States Country Quiz | 0 | - | 4.43 | 102,038 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,031 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,689 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,296 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,362 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,104 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,064 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,502 |
| New England States | 0 | - | 4.51 | 59,880 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,006 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,095 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,051 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,234 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,093 |
| U.S. States by Borders | 0 | - | 4.62 | 35,439 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,649 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,274 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,407 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,826 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,500 |
| Canada Country Quiz | 0 | - | 4.55 | 132,917 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,518 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,086 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,927 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,158 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,559 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 91,254 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,152 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,816 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,928 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,849 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,309 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,703 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,217 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,761 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,856 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,783 |
| Top U.S. Universities | 0 | - | 4.15 | 145,653 |
| Largest United States Airlines | 0 | - | 4.39 | 55,129 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,895 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,804 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,150 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,318 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,267 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,798 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,827 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,920 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,746 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,757 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,788 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,893 |
| Events in U.S. History | 0 | - | 4.41 | 28,786 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,089 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,022 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,592 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,306 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,735 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,550 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,317 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,108 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,235 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,902 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,063 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,639 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,730 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,949 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,940 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,404 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 63,968 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,439 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,498 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,558 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,824 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,800 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,141 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,712 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,511 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,256 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,157 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,975 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,518 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,427 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,457 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,432 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,151 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,331 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,575 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,465 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,627 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,767 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,524 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,996 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,691 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,261 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,440 |
| American Founding Fathers | 0 | - | 4.42 | 23,265 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,654 |
| California Groups of Things | 0 | - | 4.26 | 45,717 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,312 |
| New York Groups of Things | 0 | - | 4.39 | 71,695 |
| People on Money - United States | 0 | - | 4.31 | 63,413 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,566 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,180 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,011 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,556 |
| Flyover States | 0 | - | 4.52 | 29,577 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,228 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,354 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,437 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,169 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,896 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,101 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,275 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,642 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,212 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,481 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,950 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,602 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,958 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,542 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,995 |
| Panama Country Quiz | 0 | - | 4.61 | 25,909 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,684 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,181 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,546 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,830 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,825 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,254 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,226 |
| Names of Generations | 0 | - | 4.09 | 45,424 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,495 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,071 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,074 |
| Geography of California | 0 | - | 4.26 | 10,608 |
