| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,384 |
| North America Map Quiz | 0 | - | 4.98 | 244,597 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,644 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,839 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,851 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,921 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,393 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,462 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,268 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,433 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,406 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,095 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,525 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,802 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,919 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,376 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,194 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,361 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,983 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,383 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,900 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,302 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,099 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,520 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,592 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,667 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,131 |
| North American Physical Geography | 0 | - | 4.35 | 30,359 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,085 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,683 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,224 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,050 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,226 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,543 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,655 |
| US States Quiz | 0 | - | 5.00 | 16,708,200 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,342 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,022 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,154 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,486 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,588 |
| Pixelated United States Map | 0 | - | 4.89 | 93,519 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,511 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,900 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,541 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,321 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,776 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,403 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,453 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,717 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,970 |
| U.S. States By Population | 0 | - | 4.92 | 152,408 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,448 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,895 |
| US States with an Empty Map | 0 | - | 5.00 | 619,086 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,927 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,586 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,777 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,921 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,907 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,096 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,519 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,082 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,673 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,860 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,604 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,819 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,453 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,632 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,108 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,632 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 64,895 |
| Draw All US State Borders | 0 | - | 4.99 | 133,788 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,125 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,957 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,544 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,773 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,994 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,660 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,874 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,159 |
| Australian Capitals | 0 | - | 4.92 | 62,595 |
| Territories of the United States | 0 | - | 4.79 | 52,158 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,594 |
| Rivers of the United States | 0 | - | 4.93 | 65,551 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,761 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,443 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,349 |
| Hawaiian Islands | 0 | - | 4.83 | 42,439 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,468 |
| New York City Geography | 0 | - | 4.42 | 32,947 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,099 |
| U.S. State Flags | 0 | - | 4.89 | 167,238 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,559 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,812 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,622 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,897 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,687 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,113 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,562 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,677 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,601 |
| Official European Union Languages | 0 | - | 4.97 | 236,905 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,725 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,635 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,862 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,580 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,273 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,480 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,082 |
| United States Country Quiz | 0 | - | 4.43 | 100,636 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,613 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,901 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,656 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,415 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,631 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,578 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,347 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,078 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,149 |
| Asia Map Quiz | 0 | - | 4.99 | 907,403 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,662 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,484 |
| Countries of Africa | 0 | - | 5.00 | 2,509,040 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,846 |
| African East Coast | 0 | - | 4.96 | 95,083 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,825 |
| Australia Map Quiz | 0 | - | 4.94 | 342,567 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,198 |
| New World Crops | 0 | - | 4.33 | 23,505 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,551 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,088 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,111 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,346 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,632 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,915 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,737 |
| 75 Americans Named John | 0 | - | 4.41 | 23,829 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,755 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,943 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,700 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,603 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,203 |
| New York True or False? | 0 | - | 4.53 | 33,691 |
| The Most Recent... United States | 0 | - | 4.45 | 18,300 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,706 |
| New England States | 0 | - | 4.51 | 59,710 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,863 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,486 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,889 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,348 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,622 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,239 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,664 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,672 |
| U.S. States by Borders | 0 | - | 4.63 | 35,085 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,700 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,700 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,251 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,146 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,999 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,331 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,798 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,419 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,899 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,218 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,428 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,995 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,375 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,164 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,892 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,595 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,920 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,221 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,088 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,403 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,649 |
| The Only European Country ... | 0 | - | 4.91 | 213,961 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,624 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,576 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,524 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,519 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,351 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,447 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,694 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,672 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,608 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,315 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,521 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,184 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,515 |
| African Island Countries | 0 | - | 4.96 | 100,825 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,728 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
