| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,583 |
| North America Map Quiz | 0 | - | 4.98 | 246,946 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,931 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,516 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,992 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,372 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,446 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,758 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,370 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,791 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,220 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,582 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,921 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,141 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,463 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,442 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,592 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,475 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,261 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,943 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,227 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,332 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,547 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,731 |
| U.S. History Timeline Quiz | 0 | - | 4.97 | 56,346 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,657 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,740 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,252 |
| North American Physical Geography | 0 | - | 4.35 | 30,392 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,634 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,141 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,907 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,590 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,290 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,726 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,960 |
| US States Quiz | 0 | - | 5.00 | 16,796,336 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,271 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,162 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,248 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,069 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,659 |
| Pixelated United States Map | 0 | - | 4.89 | 93,895 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,113 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,349 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,929 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,180 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,458 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,002 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,013 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,488 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,699 |
| U.S. States By Population | 0 | - | 4.92 | 152,858 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,993 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,220 |
| US States with an Empty Map | 0 | - | 5.00 | 621,887 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,262 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,021 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,027 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,347 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,623 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,420 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,929 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,358 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,023 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,260 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,542 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,019 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,957 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,279 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,522 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,193 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 65,839 |
| Draw All US State Borders | 0 | - | 4.99 | 135,758 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,471 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,247 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,069 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,487 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,647 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,348 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,214 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,346 |
| Australian Capitals | 0 | - | 4.92 | 62,672 |
| Territories of the United States | 0 | - | 4.79 | 52,280 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,514 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,076 |
| Rivers of the United States | 0 | - | 4.93 | 65,907 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,993 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,853 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,910 |
| Hawaiian Islands | 0 | - | 4.83 | 42,583 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,829 |
| New York City Geography | 0 | - | 4.42 | 33,034 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,229 |
| U.S. State Flags | 0 | - | 4.89 | 169,147 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,906 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,061 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,081 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,308 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,185 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,635 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,745 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,922 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,894 |
| Official European Union Languages | 0 | - | 4.97 | 237,809 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,414 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,873 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,873 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,155 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,416 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,530 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,145 |
| United States Country Quiz | 0 | - | 4.43 | 101,142 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,780 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,311 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,576 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,550 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,868 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,512 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,817 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,586 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,711 |
| Asia Map Quiz | 0 | - | 4.99 | 911,904 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,826 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,045 |
| Countries of Africa | 0 | - | 5.00 | 2,524,081 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,369 |
| African East Coast | 0 | - | 4.96 | 95,620 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,447 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,275 |
| Australia Map Quiz | 0 | - | 4.94 | 343,448 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,232 |
| New World Crops | 0 | - | 4.37 | 30,760 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,010 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,491 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,388 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,538 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,683 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,577 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,957 |
| 75 Americans Named John | 0 | - | 4.41 | 23,872 |
| U.S. Cities that Americans Move To | 0 | - | 4.45 | 29,259 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,875 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,911 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,994 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,772 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,262 |
| New York True or False? | 0 | - | 4.53 | 33,755 |
| The Most Recent... United States | 0 | - | 4.45 | 18,384 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,980 |
| New England States | 0 | - | 4.51 | 59,764 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,386,708 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,680 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,959 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,600 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,802 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,673,698 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,863 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,816 |
| U.S. States by Borders | 0 | - | 4.61 | 35,221 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,103 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,381 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,381 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,870 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,105 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,498 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,921 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,532 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,056 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,303 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,583 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,645 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,635 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,306 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,255 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,825 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,562 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,171 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,311 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,506 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,798 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,141 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,459 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,788 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,474 |
| The Only European Country ... | 0 | - | 4.91 | 215,427 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,475 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,693 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,656 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,320 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,726 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,738 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,580 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,362 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,984 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,786 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,903 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,864 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,348 |
