| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,808 |
| North America Map Quiz | 0 | - | 4.98 | 201,739 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,039 |
| Most Spoken Languages in Canada | 0 | - | 4.83 | 47,584 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 164,460 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,203 |
| U.S. Highway Signs By State | 0 | - | 4.43 | 14,248 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,235 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 86,927 |
| Native American Tribes in the US | 0 | - | 4.72 | 23,114 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,498 |
| Most Populous Native American Tribes | 0 | - | 4.32 | 11,784 |
| United States Map Quiz | 0 | - | 4.98 | 3,920,734 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,391 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 37,786 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 31,774 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,570 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,458 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,788 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,658 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,181 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,150 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,918 |
| The U.S. Pledge of Allegiance | 0 | - | 3.96 | 17,691 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 61,382 |
| U.S. Geography True or False #1 | 0 | - | 4.52 | 26,872 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,760 |
| North American Physical Geography | 0 | - | 4.33 | 29,523 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,357 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,460 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 148,239 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,158 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,915 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,129 |
| US States Quiz | 0 | - | 5.00 | 14,882,627 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,750 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 488,726 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,281 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,091 |
| Pixelated United States Map | 0 | - | 4.90 | 82,939 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,391 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,557 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,164 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 101,221 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,995 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 100,089 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,092 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,672 |
| U.S. States By Population | 0 | - | 4.90 | 130,857 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,341 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,437 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,382 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,443 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,719 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,625 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,221 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,369 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,476 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,840 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 170,890 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,468 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,200,527 |
| US States with an Empty Map | 0 | - | 5.00 | 559,025 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,861 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,255 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 278,322 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,497 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,039 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,159 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,100 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 462,026 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,798 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,679 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,246 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,805 |
| Europe Map Quiz | 0 | - | 5.00 | 4,326,040 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,142 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,715 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,293 |
| Asia Map Quiz | 0 | - | 4.99 | 793,980 |
| Africa Map Quiz | 0 | - | 5.00 | 1,951,593 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,535 |
| Australian Capitals | 0 | - | 4.92 | 61,004 |
| Territories of the United States | 0 | - | 4.77 | 48,808 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 160,949 |
| Rivers of the United States | 0 | - | 4.92 | 57,550 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,695 |
| Countries Closest to Alaska | 0 | - | 4.92 | 99,834 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,518 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,414 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,654 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,957 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,629 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,937 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,303 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,424 |
| Official European Union Languages | 0 | - | 4.98 | 202,564 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,326 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 389,788 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,045 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 80,954 |
| African East Coast | 0 | - | 4.97 | 85,065 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,648 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,007 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,454 |
| New World Crops | 0 | - | 4.32 | 22,881 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,499 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,211 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,061 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,467 |
| United States Country Quiz | 0 | - | 4.44 | 90,044 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,845 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,073 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 396,644 |
| Hawaiian Islands | 0 | - | 4.85 | 38,678 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 57,617 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 57,976 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,268,874 |
| U.S. State Flags | 0 | - | 4.88 | 138,670 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,405 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,422 |
| Cartoon Versions of U.S. States | 0 | - | 4.81 | 52,671 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,296 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,299 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,398 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,050 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,774 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,864 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,136 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,213 |
| The Only European Country ... | 0 | - | 4.93 | 181,109 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 77,696 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,540 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,288,214 |
| Countries of Africa | 0 | - | 5.00 | 2,194,518 |
| Australia Map Quiz | 0 | - | 4.95 | 321,397 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,169 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 704,683 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,840 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,401 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 76,353 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 355,175 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 168,860 |
| Play-Doh Presidents | 0 | - | 5.00 | 75,728 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,476 |
| New England States | 0 | - | 4.52 | 52,509 |
| US States by Land Area | 0 | - | 4.54 | 48,753 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,324 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 76,959 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 51,415 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,512 |
| Random U.S. States on a Map | 0 | - | 4.95 | 502,045 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 152,660 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,204 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 82,945 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,723 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,025 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,536 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,638 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,404 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 61,964 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 75,391 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.49 | 64,894 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,601 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,092 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,465 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,651 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,347 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,042 |
| Celtic Nations | 0 | - | 4.76 | 44,907 |
| European Countries Ending in "IA" | 0 | - | 4.95 | 56,718 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,039 |
| Counties of England | 0 | - | 4.97 | 697,938 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,025 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,010 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 141,938 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,657 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,605 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,045 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,550 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,424 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 211,858 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,070 |
| Countries of the Middle East | 0 | - | 4.96 | 175,565 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,300 |
| Vietnam War Countries | 0 | - | 4.81 | 86,805 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,240 |
| Flags of Africa Quiz | 0 | - | 4.99 | 391,894 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,578 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,757 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,870 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,708 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,691 |
| Top African Languages on a Map | 0 | - | 4.92 | 54,602 |
| African Island Countries | 0 | - | 4.96 | 90,396 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 224,820 |
| Australian States and Territories | 0 | - | 4.96 | 129,878 |
| Australia True or False | 0 | - | 4.90 | 51,848 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 108,353 |
| South America Map Quiz | 0 | - | 5.00 | 1,430,253 |
