| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,821 |
| North America Map Quiz | 0 | - | 4.98 | 249,642 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,332 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,022 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,201 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,903 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,538 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,162 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,612 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,456 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,363 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,376 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,679 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,083 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,455 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,601 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,738 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,440 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,652 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,642 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,797 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,649 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,381 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,463 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,061 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,755 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,839 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,388 |
| North American Physical Geography | 0 | - | 4.35 | 30,438 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,306 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,153 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,940 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,946 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,023 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,396 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,957 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,435 |
| US States Quiz | 0 | - | 5.00 | 16,927,305 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,897 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,815 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,432 |
| Pixelated United States Map | 0 | - | 4.88 | 94,503 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,009 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,044 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,302 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,170 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,772 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,712 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,398 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,715 |
| U.S. States By Population | 0 | - | 4.92 | 153,785 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,776 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,620 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,728 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,557 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,347 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,820 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,327 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,975 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,443 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,691 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,466 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,754 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,842 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,807 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,683 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,776 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,710,602 |
| US States with an Empty Map | 0 | - | 5.00 | 626,277 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,253 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,751 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,905 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,110 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,890 |
| Draw All US State Borders | 0 | - | 4.99 | 138,913 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,983 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,631 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,330 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,454 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,584 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,778 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,940 |
| Australian Capitals | 0 | - | 4.92 | 62,764 |
| Territories of the United States | 0 | - | 4.80 | 52,482 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,753 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,740 |
| Rivers of the United States | 0 | - | 4.93 | 66,383 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,307 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,633 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,281 |
| New York City Geography | 0 | - | 4.42 | 33,133 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,564 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,704 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,368 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,012 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,390 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,038 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,371 |
| Official European Union Languages | 0 | - | 4.97 | 239,018 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,192 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,366 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,952 |
| Asia Map Quiz | 0 | - | 4.99 | 920,273 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,558 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,011 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,286 |
| New World Crops | 0 | - | 4.38 | 30,921 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,610 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,620 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,219 |
| United States Country Quiz | 0 | - | 4.43 | 101,772 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,976 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,390 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,216 |
| Hawaiian Islands | 0 | - | 4.83 | 42,787 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,397 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,546,156 |
| U.S. State Flags | 0 | - | 4.89 | 171,451 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,695 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,542 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,709 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,258 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,913 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,757 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,081 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,936 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,711 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,132 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,813 |
| The Only European Country ... | 0 | - | 4.91 | 217,594 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,708 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,268 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,929 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,079 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,391 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,834 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,158 |
| African East Coast | 0 | - | 4.96 | 96,347 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,204 |
| Australia Map Quiz | 0 | - | 4.95 | 345,322 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,719 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,179 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,531 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,237 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,920 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,269 |
| 75 Americans Named John | 0 | - | 4.41 | 23,931 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,049 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,440 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,705 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,511 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,974 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,404 |
| New York True or False? | 0 | - | 4.53 | 33,864 |
| The Most Recent... United States | 0 | - | 4.46 | 18,507 |
| New England States | 0 | - | 4.51 | 59,841 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,917 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,047 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,935 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,135 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,018 |
| U.S. States by Borders | 0 | - | 4.61 | 35,388 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,149 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,699 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,553 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,162 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,281 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,764 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,112 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,760 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,310 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,433 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,759 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,096 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,049 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,485 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,786 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,096 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,984 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,554 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,204 |
| Celtic Nations | 0 | - | 4.69 | 47,006 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,851 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,123 |
| Countries of Africa | 0 | - | 5.00 | 2,546,667 |
| Australian States and Territories | 0 | - | 4.96 | 142,319 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,377 |
| Australia True or False | 0 | - | 4.87 | 56,973 |
| Flags of North and South America | 0 | - | 4.99 | 374,628 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,172 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,188 |
| Peru True or False? | 0 | - | 4.58 | 15,276 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,453 |
| Top U.S. Universities | 0 | - | 4.15 | 145,420 |
| Largest United States Airlines | 0 | - | 4.39 | 55,083 |
| U.S. States by Governor | 0 | - | 4.43 | 18,082 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,560 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,718 |
