| Mexico States Map Quiz | 0 | - | 4.85 | 104,739 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,546 |
| States of Mexico | 0 | - | 4.96 | 176,109 |
| Pixelated United States Map | 0 | - | 4.87 | 94,271 |
| Flags of North and South America | 0 | - | 4.99 | 373,115 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,426 |
| Belize Country Quiz | 0 | - | 4.85 | 20,974 |
| US States Quiz | 0 | - | 5.00 | 16,875,878 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,057 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,947 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,648 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,502 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,059 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,879 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,229 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,052 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,718 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,020 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,681 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,770 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,801 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,860 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,428 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,431 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,002 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,293 |
| U.S. States By Population | 0 | - | 4.92 | 153,543 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,448 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,439 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,212 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,618 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,386 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,352 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,568 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,594 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,175 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,453 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,460 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,611 |
| US States with an Empty Map | 0 | - | 5.00 | 624,634 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,762 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,471 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,047 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,211 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,191 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,513 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,078 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,614 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,931 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,647 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,654 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,045 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,909 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,348 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,824 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,239 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,616 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,771 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,439 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,306 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,560 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,142 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,797 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,865 |
| Flags of Oceania | 0 | - | 5.00 | 259,448 |
| The Only American Country ... | 0 | - | 4.92 | 121,612 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,126 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,187 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,944 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,918 |
| States of Brazil | 0 | - | 4.97 | 88,061 |
| Central American Countries | 0 | - | 4.98 | 156,476 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,423 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,879 |
| Panama Country Quiz | 0 | - | 4.61 | 25,803 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,581 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,429 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,436 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,775 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,166 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,526 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,584 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,173 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,439 |
| United States Country Quiz | 0 | - | 4.43 | 101,514 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,882 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,838 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,792 |
| Washington State by Picture | 0 | - | 4.26 | 7,728 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,100 |
| Canada Country Quiz | 0 | - | 4.54 | 132,482 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,213 |
| Canada A-Z | 0 | - | 4.73 | 32,838 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,562 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,324 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,767 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,978 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,208 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,410 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,998 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,420 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,865 |
| Which South American Country? | 0 | - | 4.69 | 51,946 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,494 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,814 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,636 |
| Chile Country Quiz | 0 | - | 4.77 | 40,053 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,859 |
| Peru Country Quiz | 0 | - | 4.54 | 48,663 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,296 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,154 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,306 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.88 | 81,229 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,799 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,474 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,846 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,983 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,159 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,522 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,863 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,887 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,349 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,559 |
| New England States | 0 | - | 4.51 | 59,810 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,927 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,797 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,813 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,010 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,485 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,188 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,819 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,009 |
| U.S. States by Borders | 0 | - | 4.61 | 35,316 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,482 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,040 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,797 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,820 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,223 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,874 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,496 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,775 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,852 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,305 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,757 |
| O Canada Lyrics | 0 | - | 4.47 | 50,943 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,536 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,769 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,771 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,357 |
| Random African Flag to Country | 0 | - | 4.88 | 74,945 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,086 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,095 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,090 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,782 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,866 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,330 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,134 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,306 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,129 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,805 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,629 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,599 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,295 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,268 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,819 |
| Top U.S. Universities | 0 | - | 4.15 | 145,132 |
| Largest United States Airlines | 0 | - | 4.39 | 55,031 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,031 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,916 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,813 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 46,687 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,661 |
| U.S. States by Governor | 0 | - | 4.43 | 18,063 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,696 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,362 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,680 |
| American Founding Fathers | 0 | - | 4.42 | 23,224 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,447 |
| California Groups of Things | 0 | - | 4.25 | 45,491 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,938 |
| Movies Set in Miami | 0 | - | 4.32 | 16,698 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,264 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,777 |
| New York Groups of Things | 0 | - | 4.35 | 63,705 |
| People on Money - United States | 0 | - | 4.31 | 63,346 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,465 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,055 |
| Events in U.S. History | 0 | - | 4.41 | 28,672 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,848 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,522 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,234 |
| Flyover States | 0 | - | 4.52 | 29,513 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,123 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,347 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,101 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,500 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,533 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,632 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,377 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,885 |
