| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,696 |
| North America Map Quiz | 0 | - | 4.98 | 248,207 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,097 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,637 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,091 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,610 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,488 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,931 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,511 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,303 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,439 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,285 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,623 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,991 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,277 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,520 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,569 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,163 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,545 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,428 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,337 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,414 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,354 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,889 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,880 |
| U.S. History Timeline Quiz | 0 | - | 4.97 | 56,676 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,689 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,787 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,321 |
| North American Physical Geography | 0 | - | 4.35 | 30,410 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,878 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,506 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,348 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,656 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,334 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,841 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,167 |
| US States Quiz | 0 | - | 5.00 | 16,856,272 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,839 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,231 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,566 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,217 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,716 |
| Pixelated United States Map | 0 | - | 4.87 | 94,180 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,533 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,657 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,693,909 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,680 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,769 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,303 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,330 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,863 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,133 |
| U.S. States By Population | 0 | - | 4.92 | 153,476 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,340 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,391 |
| US States with an Empty Map | 0 | - | 5.00 | 623,986 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,455 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,232 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,165 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,552 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,882 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,646 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,131 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,462 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,166 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,455 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,050 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,141 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,309 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,902 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,095 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,507 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,456 |
| Draw All US State Borders | 0 | - | 4.99 | 137,161 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,680 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,417 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,404 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,904 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,069 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,783 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,473 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,881 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Territories of the United States | 0 | - | 4.79 | 52,362 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,637 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,378 |
| Rivers of the United States | 0 | - | 4.93 | 66,135 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,151 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,084 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,226 |
| Hawaiian Islands | 0 | - | 4.83 | 42,679 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,054 |
| New York City Geography | 0 | - | 4.42 | 33,079 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,299 |
| U.S. State Flags | 0 | - | 4.89 | 170,126 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,669 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,690 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,349 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,584 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,540 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,912 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,865 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,074 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,069 |
| Official European Union Languages | 0 | - | 4.97 | 238,348 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,749 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,529 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,553 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,562 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,486 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,574 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,164 |
| United States Country Quiz | 0 | - | 4.43 | 101,436 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,855 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,233 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,362 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,536,625 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,614 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,052 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,719 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,910 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,844 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,680 |
| Asia Map Quiz | 0 | - | 4.99 | 915,820 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,942 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,372 |
| Countries of Africa | 0 | - | 5.00 | 2,533,903 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,744 |
| African East Coast | 0 | - | 4.96 | 95,959 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,782 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,596 |
| Australia Map Quiz | 0 | - | 4.95 | 344,187 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,262 |
| New World Crops | 0 | - | 4.38 | 30,868 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,371 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,835 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,447 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,750 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,704 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,057 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,102 |
| 75 Americans Named John | 0 | - | 4.41 | 23,898 |
| U.S. Cities that Americans Move To | 0 | - | 4.45 | 29,345 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,954 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,613 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,222 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,865 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,324 |
| New York True or False? | 0 | - | 4.53 | 33,812 |
| The Most Recent... United States | 0 | - | 4.45 | 18,429 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,218 |
| New England States | 0 | - | 4.51 | 59,799 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,390,501 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,779 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,001 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,762 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,923 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,679,291 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,970 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,904 |
| U.S. States by Borders | 0 | - | 4.61 | 35,288 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,899 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,465 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,464 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,009 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,200 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,623 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 33,016 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,635 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,156 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,359 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,651 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,831 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,792 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,389 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,487 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,941 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,871 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,348 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,042 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,923 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,812 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,249 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,942 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,084 |
| The Only European Country ... | 0 | - | 4.91 | 216,356 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,975 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,801 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,741 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,852 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,077 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,943 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,431 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,851 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,509 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,147 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,198 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,372 |
