| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,352 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,261 |
| Flags of North and South America | 0 | - | 4.99 | 372,777 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,349 |
| US States Quiz | 0 | - | 5.00 | 16,862,427 |
| States of Mexico | 0 | - | 4.95 | 175,873 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,680 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,899 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,564 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,394 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,798 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,846 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,183 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,901 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,055 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,495 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,706 |
| Pixelated United States Map | 0 | - | 4.87 | 94,219 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,578 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,701 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,712 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,794 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,338 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,360 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,907 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,185 |
| U.S. States By Population | 0 | - | 4.92 | 153,499 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,371 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,411 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,187 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,575 |
| Canada Country Quiz | 0 | - | 4.54 | 132,440 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,154 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,151 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,351 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,200 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,537 |
| US States with an Empty Map | 0 | - | 5.00 | 624,172 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,708 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,440 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,459 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,941 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,107 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,751 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,610 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,578 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,944 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,877 |
| O Canada Lyrics | 0 | - | 4.47 | 50,929 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,503 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,718 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,330 |
| Belize Country Quiz | 0 | - | 4.85 | 20,964 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,018 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,924 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,988 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,018 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,728 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,811 |
| Flags of Oceania | 0 | - | 5.00 | 258,819 |
| The Only American Country ... | 0 | - | 4.92 | 121,547 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,063 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,118 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,848 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,009 |
| States of Brazil | 0 | - | 4.97 | 87,910 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,491 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,577 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,168 |
| United States Country Quiz | 0 | - | 4.43 | 101,460 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,863 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,736 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,724 |
| Washington State by Picture | 0 | - | 4.26 | 7,727 |
| Canada A-Z | 0 | - | 4.73 | 32,819 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,476 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,201 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,692 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,954 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,135 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,379 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,866 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,390 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,845 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,397 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,702 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,700 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,175 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,484 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,063 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,594 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,199 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,161 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,863 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,198 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,341 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,722 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,252 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,730 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,964 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,872 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,329 |
| New England States | 0 | - | 4.51 | 59,803 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,907 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,765 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,790 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,006 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,463 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,174 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,783 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,983 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,908 |
| U.S. States by Borders | 0 | - | 4.61 | 35,300 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,469 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,018 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,785 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,788 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,206 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,873 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,488 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,765 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,661 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,299 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,747 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,750 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,430 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,746 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,061 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,066 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,055 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,751 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,723 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,312 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,112 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,290 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,106 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,540 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,576 |
| Top U.S. Universities | 0 | - | 4.15 | 145,050 |
| Largest United States Airlines | 0 | - | 4.39 | 55,017 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,954 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,906 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,548 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,116 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,760 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,118 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,637 |
| U.S. States by Governor | 0 | - | 4.43 | 18,058 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,687 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,353 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,668 |
| American Founding Fathers | 0 | - | 4.42 | 23,221 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,419 |
| California Groups of Things | 0 | - | 4.25 | 45,470 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,833 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,259 |
| New York Groups of Things | 0 | - | 4.35 | 63,565 |
| People on Money - United States | 0 | - | 4.31 | 63,340 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,441 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,035 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,833 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,518 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,077 |
| Flyover States | 0 | - | 4.52 | 29,504 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,105 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,132 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,334 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,093 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,490 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,982 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,512 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,623 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,341 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,870 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,731 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,078 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,288 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,507 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,745 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,543 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,362 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,694 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,111 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,060 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,116 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,964 |
| Canada by Picture | 0 | - | 4.25 | 18,848 |
| International Footballers by Picture | 0 | - | 4.50 | 55,578 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,465 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,612 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,416 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,868 |
| Panama Country Quiz | 0 | - | 4.61 | 25,788 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,562 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,424 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,771 |
| Names of Generations | 0 | - | 4.09 | 44,773 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,052 |
| Regions of U.S. States | 0 | - | 4.37 | 43,851 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,381 |
