| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,040 |
| North America Map Quiz | 0 | - | 4.98 | 252,887 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,681 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,202 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,370 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,328 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,605 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,500 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,763 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,896 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,499 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,480 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,746 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,220 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,759 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,718 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,003 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,791 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,973 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,999 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,084 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,418 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,258 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,345 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,374 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,841 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,949 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,505 |
| North American Physical Geography | 0 | - | 4.35 | 30,477 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,609 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,583 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,805 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,109 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,480 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,178 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,840 |
| US States Quiz | 0 | - | 5.00 | 17,026,581 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,927 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,421 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,369 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,134 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,876 |
| Pixelated United States Map | 0 | - | 4.89 | 94,958 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,773 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,622 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,731,870 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,039 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,218 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,461 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,475 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,547 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,603 |
| U.S. States By Population | 0 | - | 4.92 | 154,273 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,397 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,996 |
| US States with an Empty Map | 0 | - | 5.00 | 629,703 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,185 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,998 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,609 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,226 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,189 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,331 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,785 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,883 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,730 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,074 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,466 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,426 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,940 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,063 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,473 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.91 | 68,675 |
| Draw All US State Borders | 0 | - | 4.99 | 141,621 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,595 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,121 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,523 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,428 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,636 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,518 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,215 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,064 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,696 |
| Australian Capitals | 0 | - | 4.92 | 62,864 |
| Territories of the United States | 0 | - | 4.80 | 52,678 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,936 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,266 |
| Rivers of the United States | 0 | - | 4.93 | 66,805 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,610 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,845 |
| U.S. Cities that Americans Leave | 0 | - | 4.44 | 34,127 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,321 |
| Hawaiian Islands | 0 | - | 4.83 | 43,020 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,714 |
| New York City Geography | 0 | - | 4.43 | 33,204 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,580 |
| U.S. State Flags | 0 | - | 4.88 | 173,558 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,111 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,914 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,298 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,065 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,721 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,007 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,290 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,550 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,876 |
| Official European Union Languages | 0 | - | 4.97 | 240,410 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,849 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,122 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,521 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,813 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,701 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,297 |
| United States Country Quiz | 0 | - | 4.43 | 102,368 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,109 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,931 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,938 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,841 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,796 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,874 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,228 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,456 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,907 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,569 |
| Asia Map Quiz | 0 | - | 4.99 | 926,961 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,265 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,474 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,059 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,622 |
| Australia Map Quiz | 0 | - | 4.95 | 346,547 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,331 |
| New World Crops | 0 | - | 4.38 | 30,982 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,162 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,612 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,653 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,415 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,781 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,779 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,498 |
| 75 Americans Named John | 0 | - | 4.41 | 23,993 |
| U.S. Cities that Americans Move To | 0 | - | 4.45 | 29,554 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,203 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,060 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,975 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,171 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,565 |
| New York True or False? | 0 | - | 4.53 | 33,992 |
| The Most Recent... United States | 0 | - | 4.46 | 18,601 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,741 |
| New England States | 0 | - | 4.51 | 59,915 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,206 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,119 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,139 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,237 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,391 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,146 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,344 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,192 |
| U.S. States by Borders | 0 | - | 4.61 | 35,517 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,351 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,326 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,725 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,409 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,486 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,991 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,277 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,855 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,539 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,542 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,912 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,464 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,351 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,620 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,175 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,343 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,827 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,401 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,301 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,633 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,396 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,543 |
| The Only European Country ... | 0 | - | 4.91 | 219,662 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,871 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,115 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,022 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,206 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,149 |
| Countries of Africa | 0 | - | 5.00 | 2,565,521 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,280 |
| African East Coast | 0 | - | 4.96 | 96,942 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,840 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,312 |
| Australian States and Territories | 0 | - | 4.96 | 143,094 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,552 |
| Australia True or False | 0 | - | 4.87 | 57,229 |
| Flags of North and South America | 0 | - | 4.99 | 378,296 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,897 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,689 |
| Peru True or False? | 0 | - | 4.58 | 15,336 |
