| Countries Closest to Canada | 0 | - | 4.90 | 197,229 |
| US States Quiz | 0 | - | 5.00 | 16,678,346 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,046 |
| States of Mexico | 0 | - | 4.95 | 173,015 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,665 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,414 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,510 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,022 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,942 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,478 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,523 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,293 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,516 |
| Pixelated United States Map | 0 | - | 4.89 | 93,294 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,274 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,709 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,118 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,568 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,199 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,263 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,476 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,747 |
| U.S. States By Population | 0 | - | 4.92 | 152,246 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,247 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,771 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,441 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,704 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,779 |
| Canada Country Quiz | 0 | - | 4.54 | 131,622 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,552 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,761 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,268 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,381 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,446 |
| US States with an Empty Map | 0 | - | 5.00 | 618,091 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,960 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,857 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,961 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,105 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,532 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,784 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,431 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,778 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,552 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,932 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,506 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,023 |
| Flags of North and South America | 0 | - | 4.99 | 365,475 |
| Belize Country Quiz | 0 | - | 4.85 | 20,781 |
| O Canada Lyrics | 0 | - | 4.47 | 50,764 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,294 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,496 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,095 |
| The Only American Country ... | 0 | - | 4.92 | 120,655 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,254 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,229 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,454 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,060 |
| United States Country Quiz | 0 | - | 4.43 | 100,461 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,572 |
| Canada A-Z | 0 | - | 4.73 | 32,624 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,327 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,596 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,040 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,040 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,495 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,049 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,921 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,300 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,763 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,312 |
| States of Brazil | 0 | - | 4.98 | 86,184 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,271 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,362 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,440 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,737 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,124 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,602 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,617 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,053 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,660 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,306 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,576 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,705 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,550 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,178 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,415 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,255 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,590 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,631 |
| U.S. States by Borders | 0 | - | 4.63 | 35,043 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,208 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,083 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,963 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,481 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,362 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,907 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,249 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,873 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,127 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,828 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,320 |
| Top U.S. Universities | 0 | - | 4.15 | 143,910 |
| Largest United States Airlines | 0 | - | 4.39 | 54,812 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,685 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,934 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,080 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,312 |
| U.S. States by Governor | 0 | - | 4.43 | 17,971 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,555 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,525 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,742 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,620 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,344 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,254 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,010 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,726 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,395 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,546 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,316 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,236 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,452 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,754 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,378 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,051 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,355 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,235 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,996 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,380 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,652 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,544 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,963 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,218 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,020 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,431 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Canada by Picture | 0 | - | 4.25 | 18,066 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,300 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,262 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,265 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,957 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,340 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,563 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,316 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,567 |
| U.S. Geography By Letter - H | 0 | - | 4.38 | 39,281 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,443 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,185 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,656 |
| Panama Country Quiz | 0 | - | 4.61 | 25,578 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,337 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 21,888 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,193 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,633 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,778 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,325 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,914 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,133 |
| American Founding Fathers | 0 | - | 4.41 | 23,061 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,092 |
| California Groups of Things | 0 | - | 4.25 | 45,246 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,199 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,016 |
| New York Groups of Things | 0 | - | 4.38 | 59,909 |
| People on Money - United States | 0 | - | 4.31 | 63,196 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,215 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,696 |
| Regions of U.S. States | 0 | - | 4.37 | 43,409 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,333 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,476 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,565 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,450 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,754 |
| Flyover States | 0 | - | 4.52 | 29,375 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,886 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,764 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,171 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,952 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,188 |
| Movies by State | 0 | - | 4.27 | 40,435 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,952 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,564 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,527 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,291 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,211 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,997 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,324 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,900 |
| Mexican Foods | 0 | - | 4.07 | 14,601 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,599 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 21,995 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,153 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,349 |
| Senators Who Ran For President | 0 | - | 4.23 | 16,985 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 21,961 |
| Geography of California | 0 | - | 4.25 | 10,492 |
