| United States Map Quiz | 0 | - | 4.98 | 4,162,421 |
| Flags of North and South America | 0 | - | 4.99 | 373,998 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,034 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,212 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,182 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,407 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,344 |
| The Only American Country ... | 0 | - | 4.92 | 121,771 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,240 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,771 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,137 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,345 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,574 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,678 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,575 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,308 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,014 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,462 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,330 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,547 |
| States of Mexico | 0 | - | 4.96 | 176,604 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,932 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,041 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,124 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,215 |
| States of Brazil | 0 | - | 4.97 | 88,494 |
| Central American Countries | 0 | - | 4.98 | 156,700 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,926 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,063 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,813 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,762 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,637 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,923 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,341 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,458 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,325 |
| Pixelated United States Map | 0 | - | 4.88 | 94,411 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,878 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,941 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,082 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,639 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,612 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,239 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,550 |
| U.S. States By Population | 0 | - | 4.92 | 153,684 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,637 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,550 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,666 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,450 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,302 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,747 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,234 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,921 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,373 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,644 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,403 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,689 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,438 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,526 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,306 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,509 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,744 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,893 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,583 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,693 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,373 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,688 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,534 |
| Belize Country Quiz | 0 | - | 4.85 | 21,008 |
| Territories of the United States | 0 | - | 4.80 | 52,450 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,728 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,628 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,267 |
| New York City Geography | 0 | - | 4.42 | 33,123 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,683 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,906 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,853 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,510 |
| Australian Capitals | 0 | - | 4.92 | 62,742 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,916 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,579 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,604 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,203 |
| United States Country Quiz | 0 | - | 4.43 | 101,665 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,930 |
| Canada Country Quiz | 0 | - | 4.54 | 132,620 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,303 |
| Canada A-Z | 0 | - | 4.73 | 32,878 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,276 |
| Official European Union Languages | 0 | - | 4.97 | 238,821 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,066 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,795 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,351 |
| Asia Map Quiz | 0 | - | 4.99 | 918,823 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,041 |
| Countries of Africa | 0 | - | 5.00 | 2,542,959 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,039 |
| African East Coast | 0 | - | 4.96 | 96,219 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,082 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,844 |
| Australia Map Quiz | 0 | - | 4.95 | 344,974 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,231 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,788 |
| History of Mexico | 0 | - | 4.58 | 15,325 |
| Word Chain - South America | 0 | - | 4.51 | 23,924 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,501 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,732 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,738 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,943 |
| New England States | 0 | - | 4.51 | 59,829 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,871 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,029 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,885 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,086 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,988 |
| U.S. States by Borders | 0 | - | 4.61 | 35,363 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,529 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,125 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,260 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,727 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,091 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,744 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,271 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,417 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,738 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,039 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,967 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,459 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,701 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,050 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,959 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,355 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,682 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,720 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,432 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,898 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,079 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,591 |
| The Only European Country ... | 0 | - | 4.91 | 217,229 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,468 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,895 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,182 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,493 |
| Countries by National Anthem | 0 | - | 4.93 | 71,282 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,843 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,059 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,679 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,248 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,747 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,416 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,398 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,754 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,335 |
| African Island Countries | 0 | - | 4.96 | 101,813 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,727 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,405 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,389 |
| Australian States and Territories | 0 | - | 4.96 | 142,183 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,350 |
| Australia True or False | 0 | - | 4.87 | 56,932 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,690 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,351 |
| South American Physical Geography | 0 | - | 4.58 | 18,365 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,833 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,640 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,626 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,328 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,289 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,844 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,752 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,135 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,649 |
| North America Map Quiz | 0 | - | 4.98 | 249,161 |
| Top U.S. Universities | 0 | - | 4.15 | 145,311 |
| Largest United States Airlines | 0 | - | 4.39 | 55,065 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,786 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,946 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,602 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,172 |
| U.S. States by Governor | 0 | - | 4.43 | 18,077 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,713 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,387 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,702 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,861 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,007 |
| Events in U.S. History | 0 | - | 4.41 | 28,700 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,128 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,745 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,901 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,520 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,231 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,536 |
| Flyover States | 0 | - | 4.52 | 29,529 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,153 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,234 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,173 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,460 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,727 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,902 |
