| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,989 |
| North America Map Quiz | 0 | - | 4.98 | 252,195 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,583 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,665 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,330 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,213 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,584 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,404 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,736 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,489 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,783 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,458 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,731 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,186 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,701 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,690 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,003 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,861 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,762 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,903 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,843 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,965 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,408 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,032 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,280 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,824 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,917 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,464 |
| North American Physical Geography | 0 | - | 4.35 | 30,466 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,389 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,506 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,438 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,579 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,582 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,454 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,109 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,746 |
| US States Quiz | 0 | - | 5.00 | 17,001,031 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,705 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,593 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,550 |
| Pixelated United States Map | 0 | - | 4.88 | 94,832 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,583 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,466 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,816 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,095 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,300 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,333 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,382 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,405 |
| U.S. States By Population | 0 | - | 4.92 | 154,171 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,252 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,910 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,098 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,881 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,548 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,116 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,069 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,248 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,699 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,831 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,664 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,002 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,853 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,771 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,445 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,855 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,726,895 |
| US States with an Empty Map | 0 | - | 5.00 | 628,850 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,406 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,256 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,707 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,302 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,326 |
| Draw All US State Borders | 0 | - | 4.99 | 141,026 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,492 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,056 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,122 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,191 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,373 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,105 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,608 |
| Australian Capitals | 0 | - | 4.92 | 62,836 |
| Territories of the United States | 0 | - | 4.80 | 52,633 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,895 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,127 |
| Rivers of the United States | 0 | - | 4.93 | 66,699 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,534 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,173 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,619 |
| New York City Geography | 0 | - | 4.43 | 33,190 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,600 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,138 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,892 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,548 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,885 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,225 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,756 |
| Official European Union Languages | 0 | - | 4.97 | 239,846 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,681 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,005 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,683 |
| Asia Map Quiz | 0 | - | 4.99 | 925,463 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,054 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,482 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,320 |
| New World Crops | 0 | - | 4.38 | 30,970 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,753 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,679 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,283 |
| United States Country Quiz | 0 | - | 4.43 | 102,224 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,073 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,740 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,586 |
| Hawaiian Islands | 0 | - | 4.83 | 42,958 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,519 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,160 |
| U.S. State Flags | 0 | - | 4.89 | 173,052 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,743 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,500 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,644 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,474 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,018 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,942 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,249 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,173 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,881 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,327 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,201 |
| The Only European Country ... | 0 | - | 4.91 | 219,134 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,582 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,762 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,063 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,214 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,978 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,326 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,998 |
| African East Coast | 0 | - | 4.96 | 96,798 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,653 |
| Australia Map Quiz | 0 | - | 4.95 | 346,223 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,033 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,622 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,631 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,881 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,775 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,556 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,441 |
| 75 Americans Named John | 0 | - | 4.41 | 23,975 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,151 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,664 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,841 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,884 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,125 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,538 |
| New York True or False? | 0 | - | 4.53 | 33,963 |
| The Most Recent... United States | 0 | - | 4.46 | 18,580 |
| New England States | 0 | - | 4.51 | 59,901 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,068 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,121 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,166 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,290 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,150 |
| U.S. States by Borders | 0 | - | 4.62 | 35,488 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,494 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,924 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,688 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,349 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,450 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,941 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,229 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,834 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,476 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,873 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,382 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,283 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,588 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,085 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,294 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,098 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,754 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,293 |
| Celtic Nations | 0 | - | 4.61 | 47,105 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,432 |
| Countries of Africa | 0 | - | 5.00 | 2,560,907 |
| Australian States and Territories | 0 | - | 4.96 | 142,889 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,507 |
| Australia True or False | 0 | - | 4.87 | 57,159 |
| Flags of North and South America | 0 | - | 4.99 | 377,216 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,691 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,939 |
| Peru True or False? | 0 | - | 4.58 | 15,321 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,788 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,902 |
| Top U.S. Universities | 0 | - | 4.15 | 145,861 |
| Largest United States Airlines | 0 | - | 4.39 | 55,166 |
| U.S. States by Governor | 0 | - | 4.43 | 18,115 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,600 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,768 |
