| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,297 |
| North America Map Quiz | 0 | - | 4.98 | 204,732 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,330 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,155 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,852 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 87,005 |
| U.S. Highway Signs By State | 0 | - | 4.44 | 14,360 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,507 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 87,501 |
| Native American Tribes in the US | 0 | - | 4.66 | 23,316 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,844 |
| Most Populous Native American Tribes | 0 | - | 4.32 | 11,835 |
| United States Map Quiz | 0 | - | 4.98 | 3,936,980 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,516 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 38,065 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 35,202 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,963 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,387 |
| Uruguay Country Quiz | 0 | - | 4.82 | 29,070 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,079 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,481 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,600 |
| The U.S. Pledge of Allegiance | 0 | - | 3.97 | 17,723 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,541 |
| U.S. Geography True or False #1 | 0 | - | 4.52 | 27,051 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,983 |
| North American Physical Geography | 0 | - | 4.33 | 29,600 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,981 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,410 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,822 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,649 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 68,203 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,616 |
| US States Quiz | 0 | - | 5.00 | 15,028,587 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,839 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,583 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,939 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,654 |
| Pixelated United States Map | 0 | - | 4.90 | 83,902 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,603 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,553 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,552 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,307 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 98,036 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,995 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,359 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,924 |
| U.S. States By Population | 0 | - | 4.90 | 131,629 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,654 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,933 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,860 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 79,125 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,067 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,236 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 147,023 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,919 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,945 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,469 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 174,401 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,653 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,233,338 |
| US States with an Empty Map | 0 | - | 5.00 | 563,982 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,507 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,500 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 283,042 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,311 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,446 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,499 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 465,077 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,491 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,655 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,223 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,624 |
| Europe Map Quiz | 0 | - | 5.00 | 4,358,807 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,198 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,528 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,357,213 |
| Asia Map Quiz | 0 | - | 4.99 | 802,449 |
| Africa Map Quiz | 0 | - | 5.00 | 1,964,120 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,964 |
| Australian Capitals | 0 | - | 4.92 | 61,146 |
| Territories of the United States | 0 | - | 4.77 | 49,065 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,756 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,312 |
| Rivers of the United States | 0 | - | 4.92 | 58,255 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 34,024 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,530 |
| Countries Closest to Maine | 0 | - | 4.86 | 60,033 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 188,163 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,454 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,497 |
| Top 10 Hottest U.S. States | 0 | - | 4.88 | 112,594 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,923 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,674 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,046 |
| Official European Union Languages | 0 | - | 4.98 | 204,292 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,247 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,278 |
| Top 10 Oldest African Countries | 0 | - | 4.84 | 23,625 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,434 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 82,066 |
| African East Coast | 0 | - | 4.97 | 85,985 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,412 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,784 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,511 |
| New World Crops | 0 | - | 4.33 | 22,932 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,841 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 47,863 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,196 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,637 |
| United States Country Quiz | 0 | - | 4.44 | 91,126 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,339 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,758 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 399,145 |
| Hawaiian Islands | 0 | - | 4.86 | 38,975 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 58,245 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 58,141 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,294,838 |
| U.S. State Flags | 0 | - | 4.88 | 140,827 |
| U.S. States that Border Canada | 0 | - | 4.90 | 167,321 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 197,979 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 53,408 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,628 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,591 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,161 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,413 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,519 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,421 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,689 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,360 |
| The Only European Country ... | 0 | - | 4.93 | 183,634 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 78,419 |
| Asian Last Names in the United States | 0 | - | 4.42 | 43,872 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,847 |
| Countries of Africa | 0 | - | 5.00 | 2,220,880 |
| Australia Map Quiz | 0 | - | 4.94 | 323,420 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,431 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 707,837 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,906 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,913 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 76,740 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 357,549 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 170,488 |
| Play-Doh Presidents | 0 | - | 5.00 | 76,221 |
| New York City Geography | 0 | - | 4.42 | 23,541 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,724 |
| New England States | 0 | - | 4.52 | 52,606 |
| US States by Land Area | 0 | - | 4.54 | 49,022 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,474 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,417 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,785 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,774 |
| Random U.S. States on a Map | 0 | - | 4.95 | 514,859 |
| Save Americans by Guessing U.S. States | 0 | - | 4.55 | 155,096 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,436 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,347 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,971 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 94,493 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,776 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,861 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 68,715 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,303 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 78,809 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,322 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,982 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,573 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,659 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,854 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.66 | 42,596 |
| Ten Most Rectangular U.S. States | 0 | - | 4.51 | 57,239 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,054 |
| Celtic Nations | 0 | - | 4.76 | 45,076 |
| European Countries Ending in "IA" | 0 | - | 4.95 | 57,541 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,310 |
| Counties of England | 0 | - | 4.97 | 706,468 |
| Flags of Asia Quiz | 0 | - | 4.99 | 536,029 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,791 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,806 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,346 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,337 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,041 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,410 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,208 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,717 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,968 |
| Countries of the Middle East | 0 | - | 4.95 | 177,493 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,517 |
| Vietnam War Countries | 0 | - | 4.82 | 87,524 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,723 |
| Flags of Africa Quiz | 0 | - | 4.99 | 397,420 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,230 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,197 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,749 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,668 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,889 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,340 |
| African Island Countries | 0 | - | 4.96 | 91,227 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,661 |
| Australian States and Territories | 0 | - | 4.96 | 130,786 |
| Australian Immigration by Country | 0 | - | 4.82 | 73,211 |
