| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,543 |
| North America Map Quiz | 0 | - | 4.98 | 246,556 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,868 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,198 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,962 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,299 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,430 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,700 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,334 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,509 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,204 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,570 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,891 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,107 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,450 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,403 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,523 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,451 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,209 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,829 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,166 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,324 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,470 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,693 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,648 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,731 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,222 |
| North American Physical Geography | 0 | - | 4.35 | 30,385 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,579 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,059 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,761 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,279 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,281 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,682 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,905 |
| US States Quiz | 0 | - | 5.00 | 16,779,786 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,137 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,143 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,836 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,801 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,641 |
| Pixelated United States Map | 0 | - | 4.89 | 93,814 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,017 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,254 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,095 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,788 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,356 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,928 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,924 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,368 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,595 |
| U.S. States By Population | 0 | - | 4.92 | 152,789 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,895 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,169 |
| US States with an Empty Map | 0 | - | 5.00 | 621,398 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,202 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,956 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,981 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,260 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,547 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,379 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,866 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,331 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,984 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,204 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,398 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,944 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,823 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,139 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,065 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,091 |
| Draw All US State Borders | 0 | - | 4.99 | 135,330 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,418 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,203 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,336 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,517 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,036 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,136 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,161 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Territories of the United States | 0 | - | 4.79 | 52,255 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,493 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,978 |
| Rivers of the United States | 0 | - | 4.93 | 65,833 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,941 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,792 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,795 |
| Hawaiian Islands | 0 | - | 4.83 | 42,564 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,751 |
| New York City Geography | 0 | - | 4.42 | 33,023 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,209 |
| U.S. State Flags | 0 | - | 4.89 | 168,873 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,669 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,781 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,986 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,221 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,084 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,522 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,694 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,872 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,851 |
| Official European Union Languages | 0 | - | 4.97 | 237,663 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,314 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,966 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,661 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,600 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,389 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,518 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,129 |
| United States Country Quiz | 0 | - | 4.43 | 101,046 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,731 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,011 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,390 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,369 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,530 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,254 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,564 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,496 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,927 |
| Asia Map Quiz | 0 | - | 4.99 | 910,974 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,792 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,954 |
| Countries of Africa | 0 | - | 5.00 | 2,521,477 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,264 |
| African East Coast | 0 | - | 4.96 | 95,524 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,359 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,205 |
| Australia Map Quiz | 0 | - | 4.94 | 343,277 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| New World Crops | 0 | - | 4.37 | 30,617 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,976 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,467 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,365 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,201 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,680 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,452 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,925 |
| 75 Americans Named John | 0 | - | 4.41 | 23,862 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,850 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,695 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,941 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,727 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,248 |
| New York True or False? | 0 | - | 4.53 | 33,745 |
| The Most Recent... United States | 0 | - | 4.45 | 18,368 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,924 |
| New England States | 0 | - | 4.51 | 59,756 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,461 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,634 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,950 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,562 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,765 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,958 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,822 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,789 |
| U.S. States by Borders | 0 | - | 4.63 | 35,192 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,650 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,888 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,363 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,821 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,082 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,462 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,898 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,515 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,019 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,283 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,553 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,582 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,574 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,273 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,184 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,787 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,295 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,129 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,084 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,763 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,939 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,228 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,315 |
| The Only European Country ... | 0 | - | 4.91 | 215,144 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,323 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,667 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,608 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,196 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,128 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,648 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,916 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,226 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,897 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,683 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,842 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,759 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,216 |
| African Island Countries | 0 | - | 4.96 | 101,161 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,629 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,983 |
| Australian States and Territories | 0 | - | 4.96 | 141,369 |
