| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,768 |
| North America Map Quiz | 0 | - | 4.98 | 248,909 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,232 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,403 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,155 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,748 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,516 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,063 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,562 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,445 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,272 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,335 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,648 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,049 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,371 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,557 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,666 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,301 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,612 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,537 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,594 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,542 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,368 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,218 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,989 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,733 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,813 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,364 |
| North American Physical Geography | 0 | - | 4.35 | 30,424 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,275 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,015 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,748 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,651 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,405 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,372 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,907 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,293 |
| US States Quiz | 0 | - | 5.00 | 16,895,157 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,271 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,020 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,399 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,576 |
| Pixelated United States Map | 0 | - | 4.87 | 94,361 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,806 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,873 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,921 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,015 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,554 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,548 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,151 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,448 |
| U.S. States By Population | 0 | - | 4.92 | 153,638 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,572 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,506 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,623 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,408 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,258 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,703 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,165 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,869 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,333 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,616 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,358 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,650 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 214,025 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,398 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,745 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,703,256 |
| US States with an Empty Map | 0 | - | 5.00 | 625,255 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,203 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,554 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,633 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,131 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,710 |
| Draw All US State Borders | 0 | - | 4.99 | 138,045 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,852 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,538 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,711 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,213 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,338 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,634 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,783 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,088 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Territories of the United States | 0 | - | 4.80 | 52,429 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,711 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,564 |
| Rivers of the United States | 0 | - | 4.93 | 66,252 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,235 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,448 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,184 |
| New York City Geography | 0 | - | 4.42 | 33,112 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,186 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,568 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,751 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,776 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,201 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,944 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,229 |
| Official European Union Languages | 0 | - | 4.97 | 238,692 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,975 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,556 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,905 |
| Asia Map Quiz | 0 | - | 4.99 | 917,929 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,951 |
| African East Coast | 0 | - | 4.96 | 96,149 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,018 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,809 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,275 |
| New World Crops | 0 | - | 4.38 | 30,895 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,558 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,594 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,194 |
| United States Country Quiz | 0 | - | 4.43 | 101,617 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,244 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,759 |
| Hawaiian Islands | 0 | - | 4.83 | 42,742 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,348 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,541,987 |
| U.S. State Flags | 0 | - | 4.88 | 170,823 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,208 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,023 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,386 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,178 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,514 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,695 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,014 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,859 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,266 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,033 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,441 |
| The Only European Country ... | 0 | - | 4.91 | 216,995 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,345 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,034 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,019 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,098 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,596 |
| Countries of Africa | 0 | - | 5.00 | 2,540,767 |
| Australia Map Quiz | 0 | - | 4.95 | 344,840 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,464 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,900 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,482 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,497 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,729 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,628 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,198 |
| 75 Americans Named John | 0 | - | 4.41 | 23,915 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,004 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,047 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,037 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,372 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,919 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,369 |
| New York True or False? | 0 | - | 4.53 | 33,842 |
| The Most Recent... United States | 0 | - | 4.45 | 18,472 |
| New England States | 0 | - | 4.51 | 59,822 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,849 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,021 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,864 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,048 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,964 |
| U.S. States by Borders | 0 | - | 4.61 | 35,349 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,058 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,092 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,509 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,092 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,248 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,704 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,075 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,724 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,247 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,405 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,716 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,989 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,924 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,446 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,644 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,022 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,944 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,441 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,719 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,803 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,895 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,021 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,186 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,156 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,677 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,344 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,345 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,667 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,215 |
| African Island Countries | 0 | - | 4.96 | 101,725 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,586 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,358 |
| Australian States and Territories | 0 | - | 4.96 | 142,112 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,326 |
| Australia True or False | 0 | - | 4.87 | 56,904 |
