| United States Map Quiz | 0 | - | 4.98 | 4,143,709 |
| Flags of North and South America | 0 | - | 4.99 | 368,161 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,375 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,055 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,281 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,477 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,490 |
| The Only American Country ... | 0 | - | 4.92 | 120,862 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,048 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,102 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,128 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,024 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,470 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,954 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,152 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,554 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,476 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,162 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,975 |
| States of Mexico | 0 | - | 4.95 | 173,680 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,936 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,259 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,096 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,476 |
| States of Brazil | 0 | - | 4.98 | 86,600 |
| Central American Countries | 0 | - | 4.98 | 155,179 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,169 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,253 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,760 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,340 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,272 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,564 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,707 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,105 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,159 |
| Pixelated United States Map | 0 | - | 4.89 | 93,585 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,619 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,953 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,864 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,488 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,530 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,821 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,075 |
| U.S. States By Population | 0 | - | 4.92 | 152,477 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,526 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,947 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,953 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,643 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,803 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,963 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,981 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,139 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,563 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,108 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,715 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,898 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,463 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,685 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,706 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,718 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,167 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,997 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,889 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,935 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,920 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,290 |
| Belize Country Quiz | 0 | - | 4.85 | 20,827 |
| Territories of the United States | 0 | - | 4.79 | 52,178 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,416 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,671 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,805 |
| New York City Geography | 0 | - | 4.42 | 32,962 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,268 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,109 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,910 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,187 |
| Australian Capitals | 0 | - | 4.92 | 62,603 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,376 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,313 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,487 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,093 |
| United States Country Quiz | 0 | - | 4.43 | 100,725 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,644 |
| Canada Country Quiz | 0 | - | 4.55 | 131,830 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,691 |
| Canada A-Z | 0 | - | 4.73 | 32,673 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,668 |
| Official European Union Languages | 0 | - | 4.97 | 237,129 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,003 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,587 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,913 |
| Asia Map Quiz | 0 | - | 4.99 | 908,020 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,685 |
| Countries of Africa | 0 | - | 5.00 | 2,511,394 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,917 |
| African East Coast | 0 | - | 4.96 | 95,169 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,041 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,930 |
| Australia Map Quiz | 0 | - | 4.94 | 342,711 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,860 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,628 |
| History of Mexico | 0 | - | 4.58 | 15,239 |
| Word Chain - South America | 0 | - | 4.51 | 23,772 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,126 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,646 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,028 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,630 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,528 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,897 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,379 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,690 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,690 |
| U.S. States by Borders | 0 | - | 4.63 | 35,107 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,267 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,176 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,016 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,355 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,823 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,439 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,920 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,228 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,448 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,351 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,419 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,176 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,948 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,632 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,132 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,205 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,385 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,322 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,267 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,590 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,583 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,758 |
| The Only European Country ... | 0 | - | 4.91 | 214,168 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,774 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,596 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,617 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,808 |
| Countries by National Anthem | 0 | - | 4.92 | 71,050 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,464 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,484 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,293 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,778 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,660 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,391 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,583 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,304 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,672 |
| African Island Countries | 0 | - | 4.96 | 100,887 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,875 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,102 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,791 |
| Australian States and Territories | 0 | - | 4.96 | 141,026 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,045 |
| Australia True or False | 0 | - | 4.87 | 56,550 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,205 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,259 |
| South American Physical Geography | 0 | - | 4.58 | 18,281 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,629 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,437 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,125 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,076 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,693 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,892 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,388 |
| North America Map Quiz | 0 | - | 4.98 | 244,943 |
| Top U.S. Universities | 0 | - | 4.15 | 144,212 |
| Largest United States Airlines | 0 | - | 4.39 | 54,859 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,417 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,803 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,378 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,959 |
| U.S. States by Governor | 0 | - | 4.43 | 17,992 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,589 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,196 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,562 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,768 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,727 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,011 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,654 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,638 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,304 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,050 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,470 |
| Flyover States | 0 | - | 4.52 | 29,413 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,951 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,861 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,980 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,030 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,593 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,785 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,395 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,185 |
| US States with the Most Executions | 0 | - | 4.51 | 26,354 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,940 |
