| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,914 |
| North America Map Quiz | 0 | - | 4.98 | 250,548 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,446 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,704 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,249 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,006 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,552 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,267 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,673 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,467 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,288 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,408 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,698 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,125 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,557 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,648 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,852 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,618 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,704 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,419 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,750 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,563 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,787 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,396 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,740 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,164 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,118 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,780 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,865 |
| North American Physical Geography | 0 | - | 4.35 | 30,449 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,336 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,318 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,128 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,239 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,700 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,422 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,033 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,579 |
| US States Quiz | 0 | - | 5.00 | 16,957,771 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,190 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,627 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,373 |
| Pixelated United States Map | 0 | - | 4.88 | 94,636 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,240 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,219 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,547 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,759 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,969 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,980 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,631 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,984 |
| U.S. States By Population | 0 | - | 4.92 | 153,940 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,965 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,741 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,932 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,693 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,435 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,945 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,492 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,063 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,557 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,749 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,550 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,879 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,803 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,247 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,007 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,808 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,717,815 |
| US States with an Empty Map | 0 | - | 5.00 | 627,341 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,324 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,950 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,290 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,998 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,081 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,737 |
| Draw All US State Borders | 0 | - | 4.99 | 139,700 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,262 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,903 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,027 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,597 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,740 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,865 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,910 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,679 |
| Australian Capitals | 0 | - | 4.92 | 62,801 |
| Territories of the United States | 0 | - | 4.80 | 52,547 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,814 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,929 |
| Rivers of the United States | 0 | - | 4.93 | 66,521 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,393 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,878 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,449 |
| New York City Geography | 0 | - | 4.43 | 33,162 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,963 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,924 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,665 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,285 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,627 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,126 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,542 |
| Official European Union Languages | 0 | - | 4.97 | 239,383 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,413 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,074 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,958 |
| Asia Map Quiz | 0 | - | 4.99 | 922,735 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,580 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,139 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,203 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,301 |
| New World Crops | 0 | - | 4.38 | 30,936 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,658 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,642 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,252 |
| United States Country Quiz | 0 | - | 4.43 | 101,979 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,017 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,532 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,876 |
| Hawaiian Islands | 0 | - | 4.83 | 42,849 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,456 |
| Fifty US States in One Minute | 0 | - | 4.62 | 3,551,072 |
| U.S. State Flags | 0 | - | 4.89 | 172,092 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,144 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,980 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,234 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,343 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,360 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,820 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,206 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,209 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,662 |
| The Only European Country ... | 0 | - | 4.91 | 218,253 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,098 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,480 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,988 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,141 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,661 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,029 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,583 |
| African East Coast | 0 | - | 4.96 | 96,523 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,397 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,042 |
| Australia Map Quiz | 0 | - | 4.95 | 345,704 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,815 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,244 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,574 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,932 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,747 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,204 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,335 |
| 75 Americans Named John | 0 | - | 4.41 | 23,951 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,089 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,068 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,281 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,731 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,038 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,483 |
| New York True or False? | 0 | - | 4.53 | 33,908 |
| The Most Recent... United States | 0 | - | 4.46 | 18,539 |
| New England States | 0 | - | 4.51 | 59,870 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,980 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,085 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,019 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,209 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,080 |
| U.S. States by Borders | 0 | - | 4.61 | 35,427 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,048 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,863 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,629 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,246 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,393 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,848 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,170 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,790 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,376 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,464 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,806 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,231 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,155 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,531 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,919 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,184 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,038 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,645 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,657 |
| Celtic Nations | 0 | - | 4.61 | 47,058 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,911 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,099 |
| Countries of Africa | 0 | - | 5.00 | 2,552,037 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,811 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,465 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,437 |
| Australian States and Territories | 0 | - | 4.96 | 142,568 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,433 |
| Australia True or False | 0 | - | 4.87 | 57,056 |
| Flags of North and South America | 0 | - | 4.99 | 375,699 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,371 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,903 |
| Peru True or False? | 0 | - | 4.58 | 15,296 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,758 |
