| Third Most Common Language by U.S. State | 0 | - | 4.91 | 106,827 |
| North America Map Quiz | 0 | - | 4.98 | 196,847 |
| Canada Geography Trivia | 0 | - | 4.81 | 44,691 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,837 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 163,389 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 85,113 |
| U.S. Highway Signs By State | 0 | - | 4.43 | 14,114 |
| Name a Valid Answer - United States #1 | 0 | - | 4.66 | 85,213 |
| Native American Tribes in the US | 0 | - | 4.71 | 22,926 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 45,956 |
| Most Populous Native American Tribes | 0 | - | 4.32 | 11,711 |
| United States Map Quiz | 0 | - | 4.98 | 3,896,274 |
| Top U.S. Cash Crops | 0 | - | 4.40 | 58,843 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.16 | 50,191 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.08 | 37,414 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,889 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,089 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,471 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,976 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 221,790 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,038 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,074 |
| The U.S. Pledge of Allegiance | 0 | - | 3.96 | 17,640 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,098 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,552 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 31,569 |
| North American Physical Geography | 0 | - | 4.33 | 29,437 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,501 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,436 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 146,425 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,008 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,507 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,445 |
| US States Quiz | 0 | - | 5.00 | 14,691,306 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 339,564 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 456,452 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 254,844 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,316 |
| Pixelated United States Map | 0 | - | 4.90 | 81,924 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 92,870 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,303 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 157,744 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,276 |
| U.S. States with the Letter Y | 0 | - | 4.87 | 95,843 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,911 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,309 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,066 |
| U.S. States By Population | 0 | - | 4.90 | 129,751 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,165 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,894 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,453 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,545 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,196 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,836 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,106 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,726 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,912 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 67,969 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,181 |
| US States with an Empty Map | 0 | - | 5.00 | 552,505 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,047 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,937 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 272,898 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,147 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,202 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,160,532 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,959 |
| Six Flags Over Texas | 0 | - | 4.84 | 58,645 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 458,161 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,943 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,455 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,205 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 73,049 |
| Europe Map Quiz | 0 | - | 5.00 | 4,281,976 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,947 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 115,821 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,342,197 |
| Asia Map Quiz | 0 | - | 4.99 | 782,643 |
| Africa Map Quiz | 0 | - | 5.00 | 1,934,960 |
| Oceania Map Quiz | 0 | - | 4.97 | 566,512 |
| Australian Capitals | 0 | - | 4.92 | 59,738 |
| Territories of the United States | 0 | - | 4.76 | 48,421 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,547 |
| Rivers of the United States | 0 | - | 4.91 | 56,726 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,351 |
| Countries Closest to Alaska | 0 | - | 4.93 | 98,791 |
| Countries Closest to Maine | 0 | - | 4.86 | 58,787 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 184,184 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,820 |
| Top 10 Coldest U.S. States | 0 | - | 4.90 | 99,719 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,431 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,032 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,020 |
| Official European Union Languages | 0 | - | 4.98 | 199,924 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,692 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 385,177 |
| Countries that Beat Switzerland | 0 | - | 4.86 | 37,519 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 79,530 |
| African East Coast | 0 | - | 4.97 | 83,940 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,720 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,101 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,388 |
| New World Crops | 0 | - | 4.32 | 22,816 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,032 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,616 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,878 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,274 |
| United States Country Quiz | 0 | - | 4.45 | 88,764 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,344 |
| Countries Closest to United States A-Z | 0 | - | 4.86 | 107,146 |
| U.S. Presidents by Picture | 0 | - | 4.86 | 393,822 |
| Hawaiian Islands | 0 | - | 4.85 | 38,455 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,838 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,785 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,235,259 |
| U.S. State Flags | 0 | - | 4.88 | 135,831 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,616 |
| Category Elimination - U.S. States #1 | 0 | - | 4.91 | 194,377 |
| Cartoon Versions of U.S. States | 0 | - | 4.84 | 51,741 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 90,854 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.93 | 51,834 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,116 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,582 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,494 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,113 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 91,823 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,009 |
| The Only European Country ... | 0 | - | 4.94 | 177,410 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 76,186 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,169 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,279,280 |
| Countries of Africa | 0 | - | 5.00 | 2,159,767 |
| Australia Map Quiz | 0 | - | 4.95 | 319,093 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,597 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 699,681 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,733 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,448 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,833 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 352,444 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 166,462 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,452 |
| New England States | 0 | - | 4.54 | 52,416 |
| US States by Land Area | 0 | - | 4.59 | 48,392 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,126 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,352 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,942 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 37,194 |
| Random U.S. States on a Map | 0 | - | 4.95 | 487,713 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 149,308 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,905 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,440 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,441 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,482 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,265 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,384 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,542 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,808 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,931 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,396 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 48,107 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,486 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,236 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,367 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,033 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,273 |
| Celtic Nations | 0 | - | 4.76 | 44,609 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,821 |
| Counties of England | 0 | - | 4.96 | 688,360 |
| Flags of Asia Quiz | 0 | - | 4.99 | 522,763 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,020 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,417 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,541 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,348 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,687 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,339 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,474 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,827 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,084 |
| Countries of the Middle East | 0 | - | 4.96 | 172,615 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 51,994 |
| Vietnam War Countries | 0 | - | 4.81 | 86,277 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,554 |
| Flags of Africa Quiz | 0 | - | 4.99 | 384,924 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,322 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,330 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,483 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,603 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,019 |
| Top African Languages on a Map | 0 | - | 4.91 | 52,537 |
| African Island Countries | 0 | - | 4.96 | 89,084 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 222,454 |
| Australian States and Territories | 0 | - | 4.96 | 128,782 |
| Australia True or False | 0 | - | 4.90 | 51,229 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,041 |
| South America Map Quiz | 0 | - | 5.00 | 1,417,303 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 25,351 |
| Countries of North America Quiz | 0 | - | 5.00 | 876,599 |
| Top U.S. Universities | 0 | - | 4.12 | 112,776 |
| Largest United States Airlines | 0 | - | 4.38 | 51,963 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,930 |
