| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,668 |
| North America Map Quiz | 0 | - | 4.98 | 247,848 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,060 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,324 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,059 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,252 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,566 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,477 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,868 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,472 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,682 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,775 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,633 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,437 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,265 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,607 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,972 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,326 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,508 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,530 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,112 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,477 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,526 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,378 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,220 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,359 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,349 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,782 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,833 |
| U.S. History Timeline Quiz | 0 | - | 4.97 | 56,606 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,301 |
| North American Physical Geography | 0 | - | 4.35 | 30,405 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,823 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,362 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,235 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,353 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,817 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,109 |
| US States Quiz | 0 | - | 5.00 | 16,839,132 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,668 |
| Iceland True or False? | 0 | - | 4.93 | 37,145 |
| England or Wales? | 0 | - | 4.94 | 45,619 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,208 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,226 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,950 |
| Peru True or False? | 0 | - | 4.58 | 15,239 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,693 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,701 |
| Pixelated United States Map | 0 | - | 4.87 | 94,106 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,391 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,553 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,690,005 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,570 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,670 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,201 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,235 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,744 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,008 |
| U.S. States By Population | 0 | - | 4.92 | 153,030 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,232 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,341 |
| US States with an Empty Map | 0 | - | 5.00 | 623,506 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,402 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,165 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,121 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,492 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,808 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,598 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,075 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,435 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,130 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,404 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,943 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,120 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,184 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,601 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,673 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,430 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,303 |
| Draw All US State Borders | 0 | - | 4.99 | 136,800 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,618 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,352 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,317 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,775 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,945 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,482 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,703 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,409 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,760 |
| Australian Capitals | 0 | - | 4.92 | 62,700 |
| Territories of the United States | 0 | - | 4.79 | 52,341 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,595 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,295 |
| Rivers of the United States | 0 | - | 4.93 | 66,085 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,098 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,013 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,141 |
| Hawaiian Islands | 0 | - | 4.83 | 42,660 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,995 |
| New York City Geography | 0 | - | 4.42 | 33,065 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,281 |
| U.S. State Flags | 0 | - | 4.89 | 169,851 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,442 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,499 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,269 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,513 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,443 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,839 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,838 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,028 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,024 |
| Official European Union Languages | 0 | - | 4.97 | 238,203 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,653 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,837 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,214 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,890 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,467 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,562 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,161 |
| United States Country Quiz | 0 | - | 4.43 | 101,357 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,833 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,021 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,177 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,534,706 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,415 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,902 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,666 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,636 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,780 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,917 |
| Sweden True or False? | 0 | - | 4.56 | 40,260 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,279 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,298 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,999 |
| Asia Map Quiz | 0 | - | 4.99 | 914,933 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,905 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,282 |
| Countries of Africa | 0 | - | 5.00 | 2,531,273 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,656 |
| African East Coast | 0 | - | 4.96 | 95,865 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,671 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,507 |
| Australia Map Quiz | 0 | - | 4.95 | 343,911 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,254 |
| New World Crops | 0 | - | 4.37 | 30,847 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,333 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,810 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,433 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,368 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,697 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,913 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,062 |
| 75 Americans Named John | 0 | - | 4.41 | 23,892 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,933 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,431 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,173 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,835 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,308 |
| New York True or False? | 0 | - | 4.53 | 33,796 |
| The Most Recent... United States | 0 | - | 4.45 | 18,417 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,160 |
| New England States | 0 | - | 4.51 | 59,785 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,434 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,751 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,987 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,719 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,881 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,677,540 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,931 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,879 |
| U.S. States by Borders | 0 | - | 4.61 | 35,267 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,351 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,198 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,439 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,973 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,185 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,593 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,992 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,614 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,130 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,345 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,628 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,784 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,755 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,364 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,424 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,908 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,844 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,295 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,838 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,593 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,896 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,618 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,054 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,903 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,905 |
| The Only European Country ... | 0 | - | 4.91 | 216,090 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,830 |
| Austria... or Australia? | 0 | - | 4.68 | 104,245 |
| Ireland True or False? | 0 | - | 4.57 | 49,565 |
