| Mexico States Map Quiz | 0 | - | 4.81 | 96,772 |
| States of Mexico | 0 | - | 4.93 | 155,149 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 330,656 |
| Mexico Country Quiz | 0 | - | 4.48 | 69,134 |
| Mexico Cities Map Quiz | 0 | - | 4.75 | 32,047 |
| Belize Country Quiz | 0 | - | 4.87 | 19,774 |
| US States Quiz | 0 | - | 5.00 | 15,654,422 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 353,439 |
| Brazil States Map Quiz | 0 | - | 4.84 | 43,557 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,043 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 164,601 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 199,732 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 69,976 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,063 |
| Colombia Country Quiz | 0 | - | 4.89 | 37,782 |
| Pixelated United States Map | 0 | - | 4.91 | 87,194 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,448 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,449 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 165,280 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 108,398 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 103,303 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 105,602 |
| U.S. States with Short Names | 0 | - | 4.89 | 138,800 |
| U.S. States that Start with M | 0 | - | 4.92 | 176,559 |
| U.S. States By Population | 0 | - | 4.90 | 135,960 |
| U.S. States that Start with N | 0 | - | 4.94 | 162,910 |
| U.S. States with Longest Names | 0 | - | 4.87 | 39,780 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 60,922 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,177 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,704 |
| Countries Bordering Brazil | 0 | - | 4.96 | 127,497 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 47,390 |
| 10 Longest Rivers in the United States | 0 | - | 4.83 | 36,718 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 300,754 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,097 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,109 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 41,002 |
| US States with an Empty Map | 0 | - | 5.00 | 585,527 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 95,308 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 77,688 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 86,134 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 122,642 |
| Cuba Country Quiz | 0 | - | 4.69 | 49,142 |
| Jamaica Country Quiz | 0 | - | 4.56 | 33,493 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 195,099 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 106,356 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 116,720 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 76,784 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 58,934 |
| Flags of Africa Quiz | 0 | - | 5.00 | 418,905 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,400 |
| South America Map Quiz | 0 | - | 5.00 | 1,479,623 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,117,148 |
| Flags of Asia Quiz | 0 | - | 4.99 | 560,196 |
| South America Capitals Quiz | 0 | - | 5.00 | 451,301 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 878,387 |
| Pixelated Africa Map | 0 | - | 4.98 | 92,807 |
| Flags of Oceania | 0 | - | 5.00 | 232,549 |
| The Only American Country ... | 0 | - | 4.93 | 114,758 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,311 |
| Guatemala Country Quiz | 0 | - | 4.63 | 23,939 |
| Honduras Country Quiz | 0 | - | 4.51 | 22,457 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 30,340 |
| Panama Country Quiz | 0 | - | 4.60 | 24,339 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 25,133 |
| Dominican Republic Country Quiz | 0 | - | 4.60 | 22,033 |
| Haiti Country Quiz | 0 | - | 4.75 | 30,812 |
| Barbados Country Quiz | 0 | - | 4.78 | 18,917 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,096 |
| U.S. National Parks Quiz | 0 | - | 4.80 | 50,040 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,673 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,245 |
| United States Country Quiz | 0 | - | 4.45 | 94,836 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 74,795 |
| Canada Country Quiz | 0 | - | 4.55 | 126,318 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 112,560 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,423 |
| Pixelated Europe Map | 0 | - | 4.88 | 114,928 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,547 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,428 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,089 |
| U.S. Geography by Letter - B | 0 | - | 4.49 | 56,309 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 47,520 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.13 | 16,638 |
| Mexican Foods | 0 | - | 4.05 | 14,086 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,806 |
| Argentina Country Quiz | 0 | - | 4.52 | 54,653 |
| Brazil Country Quiz | 0 | - | 4.56 | 96,650 |
| Brazil Cities Map Quiz | 0 | - | 4.61 | 35,063 |
| States of Brazil | 0 | - | 4.97 | 76,715 |
| Chile Country Quiz | 0 | - | 4.80 | 37,648 |
| Peru Country Quiz | 0 | - | 4.52 | 46,074 |
| Central American Countries | 0 | - | 4.98 | 146,747 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,374 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 122,542 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.60 | 21,015 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 720,695 |
| Most-Visited U.S. Cities | 0 | - | 4.86 | 81,711 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,086 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 78,037 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 57,640 |
| 10 Closest Megacities to New York City | 0 | - | 4.53 | 65,987 |
| Washington State by Picture | 0 | - | 4.24 | 7,389 |
| New England States | 0 | - | 4.52 | 53,110 |
| US States by Land Area | 0 | - | 4.62 | 50,378 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 37,142 |
| Add a Letter - Make a U.S. State | 0 | - | 4.73 | 79,377 |
| U.S. States by Borders | 0 | - | 4.59 | 33,595 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,562 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 84,920 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.49 | 42,185 |
| Canadian Prime Ministers Quiz | 0 | - | 4.63 | 53,282 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 82,889 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,507 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,762 |
| Asian Last Names in the United States | 0 | - | 4.42 | 44,956 |
| Canada or Africa by Area | 0 | - | 4.76 | 16,022 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 85,999 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 72,793 |
| Which South American Country? | 0 | - | 4.74 | 50,356 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,733 |
| Top U.S. Universities | 0 | - | 4.14 | 135,513 |
| Largest United States Airlines | 0 | - | 4.38 | 53,319 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 151,002 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 97,660 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,257 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,885 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 66,380 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,660 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,418 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,825 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,550 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 50,791 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 62,656 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,172 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.75 | 53,954 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,182 |
| Longest U.S. State Borders | 0 | - | 4.61 | 36,698 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 66,893 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 181,619 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 158,543 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 32,444 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 31,799 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 109,454 |
| U.S. States with the Most Borders | 0 | - | 4.55 | 61,675 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,600,879 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 83,724 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,000 |
| O Canada Lyrics Quiz | 0 | - | 4.47 | 49,826 |
| Canada A-Z | 0 | - | 4.69 | 31,552 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 306,195 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 258,360 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 97,159 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,231 |
| U.S. Geography by Letter - C | 0 | - | 4.21 | 61,075 |
| U.S. Geography by Letter - A | 0 | - | 4.32 | 48,865 |
| U.S. Geography by Letter - D | 0 | - | 4.02 | 45,068 |
| U.S. Geography by Letter - T | 0 | - | 4.25 | 44,570 |
| U.S. Geography by Letter - P | 0 | - | 4.31 | 42,556 |
| U.S. Geography by Letter - M | 0 | - | 4.19 | 41,863 |
| Guyana Country Quiz | 0 | - | 4.47 | 21,342 |
| Countries that Beat Brazil | 0 | - | 4.48 | 63,806 |
| Ecuador Country Quiz | 0 | - | 4.59 | 27,242 |
| Venezuela Country Quiz | 0 | - | 4.50 | 28,943 |
| Paraguay Country Quiz | 0 | - | 4.52 | 23,863 |
| Bolivia Country Quiz | 0 | - | 4.61 | 24,828 |
| Suriname Country Quiz | 0 | - | 4.59 | 18,702 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,938 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,047 |
| Cities by Picture #2 | 0 | - | 4.22 | 33,671 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,536 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,138 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 104,201 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,041 |
| Famous People from California by Picture | 0 | - | 4.29 | 34,022 |
| California Groups of Things | 0 | - | 4.24 | 44,150 |
| Hawaiian Islands Map Quiz | 0 | - | 4.75 | 21,580 |
| New York Groups of Things | 0 | - | 4.39 | 58,649 |
| Famous People from Texas by Picture | 0 | - | 4.03 | 32,477 |
| People on Money - United States | 0 | - | 4.32 | 62,488 |
| U.S. History Groups of Two | 0 | - | 4.22 | 43,042 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 42,830 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 72,775 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,032 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,522 |
| Flyover States | 0 | - | 4.51 | 28,691 |
| U.S. States With Double Letters | 0 | - | 4.64 | 22,423 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,309 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,166 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,893 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 76,920 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,508 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 124,071 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 90,987 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 62,364 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 106,679 |
| Top 10 Least Religious U.S. States | 0 | - | 4.50 | 32,598 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.78 | 60,878 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 40,441 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 133,707 |
