| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,785 |
| North America Map Quiz | 0 | - | 4.98 | 249,138 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,277 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,588 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,172 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,794 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,524 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,098 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,585 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,447 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,394 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,348 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,660 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,063 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,402 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,574 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,690 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,348 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,626 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,574 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,673 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,574 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,372 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,308 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,014 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,740 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,822 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,373 |
| North American Physical Geography | 0 | - | 4.35 | 30,428 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,288 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,062 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,810 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,761 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,621 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,382 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,923 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,337 |
| US States Quiz | 0 | - | 5.00 | 16,906,262 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,442 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,290 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,505 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,850 |
| Pixelated United States Map | 0 | - | 4.88 | 94,406 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,874 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,935 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,997 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,080 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,635 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,610 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,232 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,548 |
| U.S. States By Population | 0 | - | 4.92 | 153,684 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,635 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,550 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,666 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,449 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,302 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,745 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,231 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,920 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,372 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,640 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,401 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,689 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,328 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,533 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,755 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,705,783 |
| US States with an Empty Map | 0 | - | 5.00 | 625,640 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,215 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,618 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,741 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,507 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,782 |
| Draw All US State Borders | 0 | - | 4.99 | 138,300 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,892 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,583 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,818 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,287 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,416 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,684 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,800 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,494 |
| Australian Capitals | 0 | - | 4.92 | 62,742 |
| Territories of the United States | 0 | - | 4.80 | 52,449 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,728 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,626 |
| Rivers of the United States | 0 | - | 4.93 | 66,290 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,265 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,511 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,224 |
| New York City Geography | 0 | - | 4.42 | 33,123 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,334 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,616 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,233 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,868 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,274 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,970 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,274 |
| Official European Union Languages | 0 | - | 4.97 | 238,818 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,062 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,780 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,329 |
| Asia Map Quiz | 0 | - | 4.99 | 918,747 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,036 |
| African East Coast | 0 | - | 4.96 | 96,211 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,078 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,843 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,280 |
| New World Crops | 0 | - | 4.38 | 30,901 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,578 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,603 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,203 |
| United States Country Quiz | 0 | - | 4.43 | 101,664 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,930 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,305 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,898 |
| Hawaiian Islands | 0 | - | 4.83 | 42,761 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,364 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,543,398 |
| U.S. State Flags | 0 | - | 4.88 | 171,116 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,386 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,173 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,501 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,205 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,672 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,718 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,039 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,876 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,419 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,077 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,583 |
| The Only European Country ... | 0 | - | 4.91 | 217,216 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,459 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,130 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,895 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,040 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,180 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,694 |
| Countries of Africa | 0 | - | 5.00 | 2,542,837 |
| Australia Map Quiz | 0 | - | 4.95 | 344,962 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,486 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,917 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,499 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,787 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,732 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,734 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,221 |
| 75 Americans Named John | 0 | - | 4.41 | 23,921 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,021 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,180 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,459 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,415 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,943 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,383 |
| New York True or False? | 0 | - | 4.53 | 33,851 |
| The Most Recent... United States | 0 | - | 4.45 | 18,482 |
| New England States | 0 | - | 4.51 | 59,829 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,870 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,029 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,885 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,085 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,985 |
| U.S. States by Borders | 0 | - | 4.61 | 35,361 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,482 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,246 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,528 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,123 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,259 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,727 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,091 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,742 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,271 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,417 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,735 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,035 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,966 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,459 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,700 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,050 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,959 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,483 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,877 |
| Celtic Nations | 0 | - | 4.69 | 46,977 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,820 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,472 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,057 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,659 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,246 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,744 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,412 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,397 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,750 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,319 |
| African Island Countries | 0 | - | 4.96 | 101,807 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,716 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,388 |
| Australian States and Territories | 0 | - | 4.96 | 142,178 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,350 |
| Australia True or False | 0 | - | 4.87 | 56,929 |
