| Countries Closest to Canada | 0 | - | 4.90 | 184,505 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 310,017 |
| US States Quiz | 0 | - | 5.00 | 14,749,132 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,240 |
| O Canada Lyrics Quiz | 0 | - | 4.43 | 48,910 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,782 |
| States of Mexico | 0 | - | 4.95 | 141,454 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,629 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,768 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 147,027 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 185,013 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,616 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,667 |
| Pixelated United States Map | 0 | - | 4.90 | 82,238 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,374 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,705 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,179 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,592 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,197 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,260 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,756 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,495 |
| U.S. States By Population | 0 | - | 4.90 | 129,997 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,557 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,060 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,376 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,126 |
| Canada Country Quiz | 0 | - | 4.54 | 121,424 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,440 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,022 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 274,254 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,504 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,740 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,218 |
| US States with an Empty Map | 0 | - | 5.00 | 554,300 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,810 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,519 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,224 |
| Canadian Prime Ministers Quiz | 0 | - | 4.64 | 49,656 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,908 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,275 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,142 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,018 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 184,852 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,292 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,763 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,331 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,120 |
| Flags of Asia Quiz | 0 | - | 4.99 | 524,835 |
| Flags of Africa Quiz | 0 | - | 4.99 | 386,934 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,609 |
| Belize Country Quiz | 0 | - | 4.88 | 18,763 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 585,038 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,045,395 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,249 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,339 |
| Flags of Oceania | 0 | - | 5.00 | 215,480 |
| The Only American Country ... | 0 | - | 4.94 | 109,767 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,896 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,166 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,741 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,929 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,336 |
| United States Country Quiz | 0 | - | 4.45 | 89,165 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,479 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.76 | 57,061 |
| Ontario Cities Map Quiz | 0 | - | 4.63 | 17,864 |
| Three Band Flags of Europe | 0 | - | 4.97 | 161,139 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,520 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,296 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,427 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,465 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 40,004 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,590 |
| States of Brazil | 0 | - | 4.97 | 68,695 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 701,145 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,746 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,644 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,862 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,913 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,542 |
| Washington State by Picture | 0 | - | 4.16 | 7,143 |
| New England States | 0 | - | 4.54 | 52,436 |
| US States by Land Area | 0 | - | 4.59 | 48,492 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,180 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,539 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,086 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,311 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,997 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,623 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,505 |
| NHL Hockey Teams in Canada | 0 | - | 4.28 | 26,358 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,117 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,379 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,297 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,846 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,268 |
| Colombia Country Quiz | 0 | - | 4.92 | 35,052 |
| Cuba Country Quiz | 0 | - | 4.70 | 47,125 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,141 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,442 |
| Top U.S. Universities | 0 | - | 4.12 | 113,066 |
| Largest United States Airlines | 0 | - | 4.38 | 52,038 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 133,514 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,367 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,559 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,514 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,278 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,952 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,173 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,676 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,310 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,199 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,903 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,021 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,923 |
| States of Origin - American Popular Music | 0 | - | 4.17 | 9,900 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,246 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,301 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,912 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,011 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,769 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,769 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,066 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,528,942 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,826 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,098 |
| Canada A-Z | 0 | - | 4.70 | 30,582 |
| Canada by Picture | 0 | - | 4.19 | 14,028 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 294,350 |
| Name that Historical Figure #2 | 0 | - | 4.44 | 247,877 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,936 |
| Mexico Cities Map Quiz | 0 | - | 4.72 | 31,039 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,132 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,158 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,735 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,370 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,028 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 101,578 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 39,862 |
| Famous People from California by Picture | 0 | - | 4.31 | 31,773 |
| California Groups of Things | 0 | - | 4.23 | 42,827 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,702 |
| New York Groups of Things | 0 | - | 4.39 | 57,293 |
| People on Money - United States | 0 | - | 4.31 | 61,787 |
| U.S. History Groups of Two | 0 | - | 4.28 | 35,341 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 41,293 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,786 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,498 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,703 |
| Flyover States | 0 | - | 4.51 | 27,996 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,289 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,798 |
| U.S. States by Borders | 0 | - | 4.58 | 26,337 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,432 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,358 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,307 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,516 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,330 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,951 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,938 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,610 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,378 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,053 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,529 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,393 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 125,858 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 457,537 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,491 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,915 |
| Famous Australians by Picture | 0 | - | 4.26 | 25,212 |
| Pixelated Americas Map | 0 | - | 4.42 | 41,999 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 48,896 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,558 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.12 | 16,442 |
| Mexican Foods | 0 | - | 4.08 | 13,564 |
| El Salvador Country Quiz | 0 | - | 4.60 | 28,417 |
| Guatemala Country Quiz | 0 | - | 4.61 | 22,678 |
| Honduras Country Quiz | 0 | - | 4.51 | 21,268 |
| Costa Rica Country Quiz | 0 | - | 4.76 | 28,824 |
| Panama Country Quiz | 0 | - | 4.60 | 23,286 |
| Nicaragua Country Quiz | 0 | - | 4.61 | 23,908 |
| Dominican Republic Country Quiz | 0 | - | 4.59 | 20,912 |
| Haiti Country Quiz | 0 | - | 4.76 | 29,350 |
| Barbados Country Quiz | 0 | - | 4.79 | 18,154 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.59 | 19,964 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,411 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,359 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,304 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,005 |
| Geography of California | 0 | - | 4.23 | 9,674 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,102 |
| Chicago City Trivia | 0 | - | 4.26 | 30,406 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,667 |
| New York Pro Sport Teams | 0 | - | 4.29 | 20,572 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,219 |
| History of Pennsylvania | 0 | - | 4.09 | 6,436 |
| History of Virginia | 0 | - | 4.33 | 10,940 |
| Events in U.S. History | 0 | - | 4.39 | 26,123 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,771 |
