| Mexico States Map Quiz | 0 | - | 4.84 | 89,333 |
| States of Mexico | 0 | - | 4.94 | 138,078 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 305,997 |
| Mexico Country Quiz | 0 | - | 4.48 | 65,868 |
| Belize Country Quiz | 0 | - | 4.88 | 18,540 |
| US States Quiz | 0 | - | 5.00 | 14,553,465 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 337,957 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.82 | 53,979 |
| Brazil States Map Quiz | 0 | - | 4.83 | 38,876 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,790 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 144,959 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,709 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,206 |
| Mexico Cities Map Quiz | 0 | - | 4.72 | 30,793 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,443 |
| Pixelated United States Map | 0 | - | 4.91 | 81,181 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,838 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,449 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 156,725 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,288 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 94,949 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 97,976 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,156 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,006 |
| U.S. States By Population | 0 | - | 4.90 | 129,120 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,147 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,412 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,804 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,273 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,128 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,148 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 44,818 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,620 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 269,137 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,231 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,443 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,389 |
| US States with an Empty Map | 0 | - | 5.00 | 548,038 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 39,793 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,287 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,574 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,213 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 114,770 |
| Cuba Country Quiz | 0 | - | 4.70 | 46,672 |
| Jamaica Country Quiz | 0 | - | 4.59 | 31,825 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,879 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 182,328 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,240 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 99,764 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 70,240 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 56,864 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,057 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,292 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,767 |
| South America Map Quiz | 0 | - | 5.00 | 1,409,146 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,030,960 |
| South America Capitals Quiz | 0 | - | 5.00 | 414,922 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 846,835 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,413 |
| Pixelated Africa Map | 0 | - | 4.98 | 86,978 |
| Flags of Oceania | 0 | - | 5.00 | 212,292 |
| The Only American Country ... | 0 | - | 4.94 | 108,778 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,905 |
| Guatemala Country Quiz | 0 | - | 4.61 | 22,415 |
| Honduras Country Quiz | 0 | - | 4.51 | 21,012 |
| Costa Rica Country Quiz | 0 | - | 4.79 | 28,508 |
| Panama Country Quiz | 0 | - | 4.60 | 23,043 |
| Nicaragua Country Quiz | 0 | - | 4.61 | 23,653 |
| Dominican Republic Country Quiz | 0 | - | 4.59 | 20,653 |
| Haiti Country Quiz | 0 | - | 4.76 | 29,030 |
| Barbados Country Quiz | 0 | - | 4.79 | 17,999 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,763 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,175 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,791 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,115 |
| United States Country Quiz | 0 | - | 4.45 | 87,800 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 71,931 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,294 |
| Canada Country Quiz | 0 | - | 4.49 | 120,333 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,710 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,384 |
| Pixelated Europe Map | 0 | - | 4.89 | 108,387 |
| Asian Last Names in the United States | 0 | - | 4.41 | 42,958 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,280 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.12 | 16,397 |
| Mexican Foods | 0 | - | 4.08 | 13,434 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,615 |
| Argentina Country Quiz | 0 | - | 4.51 | 51,781 |
| Brazil Country Quiz | 0 | - | 4.57 | 91,084 |
| Brazil Cities Map Quiz | 0 | - | 4.60 | 33,434 |
| States of Brazil | 0 | - | 4.96 | 67,099 |
| Chile Country Quiz | 0 | - | 4.80 | 35,103 |
| Peru Country Quiz | 0 | - | 4.54 | 43,389 |
| Central American Countries | 0 | - | 4.98 | 137,718 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,425 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,281 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.59 | 19,732 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 696,467 |
| American Legal Vocabulary | 0 | - | 4.43 | 31,956 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 70,996 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 197,980 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,797 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,598 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,257 |
| Washington State by Picture | 0 | - | 4.16 | 7,087 |
| New England States | 0 | - | 4.53 | 52,338 |
| US States by Land Area | 0 | - | 4.59 | 48,167 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,977 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,900 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,649 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,077 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,234 |
| Canadian Prime Ministers Quiz | 0 | - | 4.56 | 45,664 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,947 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,810 |
| Flags of the Mediterranean | 0 | - | 4.94 | 122,870 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,099 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,820 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,108 |
| Which South American Country? | 0 | - | 4.79 | 48,497 |
| Top U.S. Universities | 0 | - | 4.11 | 111,769 |
| Largest United States Airlines | 0 | - | 4.38 | 51,797 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,396 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,247 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,751 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,472 |
| 500 Biggest US Cities | 0 | - | 4.84 | 96,045 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,878 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,031 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,488 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 48,939 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.66 | 59,287 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,753 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,658 |
| Longest U.S. State Borders | 0 | - | 4.62 | 33,726 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,083 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,088 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,318 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,626 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 104,631 |
| U.S. States with the Most Borders | 0 | - | 4.57 | 60,929 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,514,078 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 79,066 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 38,747 |
| O Canada Lyrics Quiz | 0 | - | 4.43 | 48,697 |
| Canada A-Z | 0 | - | 4.66 | 30,390 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 291,985 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 245,772 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,357 |
| Guyana Country Quiz | 0 | - | 4.49 | 19,897 |
| Countries that Beat Brazil | 0 | - | 4.41 | 44,926 |
| Ecuador Country Quiz | 0 | - | 4.56 | 25,692 |
| Venezuela Country Quiz | 0 | - | 4.49 | 27,194 |
| Paraguay Country Quiz | 0 | - | 4.50 | 22,349 |
| Bolivia Country Quiz | 0 | - | 4.60 | 23,461 |
| Suriname Country Quiz | 0 | - | 4.60 | 17,592 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,297 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,122 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 33,724 |
| Biggest Trading Partners - US | 0 | - | 4.57 | 91,581 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,634 |
| California Groups of Things | 0 | - | 4.23 | 42,512 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,284 |
| New York Groups of Things | 0 | - | 4.39 | 56,923 |
| People on Money - United States | 0 | - | 4.31 | 61,602 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,093 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 40,971 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,319 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,400 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,561 |
| Flyover States | 0 | - | 4.51 | 27,838 |
| U.S. States With Double Letters | 0 | - | 4.67 | 3,970 |
| U.S. States by Borders | 0 | - | 4.59 | 26,065 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,247 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,198 |
| U.S. State Superlatives #1 | 0 | - | 4.45 | 74,968 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,052 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,426 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,065 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,232 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 102,461 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,799 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 57,961 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.44 | 39,189 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 123,112 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 453,581 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 252,614 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 242,798 |
| Famous Australians by Picture | 0 | - | 4.24 | 24,692 |
| Pixelated Americas Map | 0 | - | 4.41 | 41,452 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 48,698 |
| The Americas Geography by Letter - S | 0 | - | 4.55 | 41,405 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 34,960 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,314 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,270 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,243 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,918 |
| Geography of California | 0 | - | 4.23 | 9,610 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,017 |
| Chicago City Trivia | 0 | - | 4.26 | 30,317 |
