| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,674 |
| North America Map Quiz | 0 | - | 4.98 | 248,003 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,070 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,428 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,067 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,584 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,480 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,894 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,497 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,028 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,437 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,277 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,613 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,977 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,262 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,510 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,547 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,135 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,534 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,393 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,262 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,374 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,349 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,812 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,850 |
| U.S. History Timeline Quiz | 0 | - | 4.97 | 56,625 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,686 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,775 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,309 |
| North American Physical Geography | 0 | - | 4.35 | 30,408 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,837 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,382 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,281 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,443 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,332 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,830 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,136 |
| US States Quiz | 0 | - | 5.00 | 16,844,645 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,721 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,215 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,348 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,062 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,703 |
| Pixelated United States Map | 0 | - | 4.87 | 94,125 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,437 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,575 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,691,134 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,603 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,701 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,234 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,254 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,777 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,054 |
| U.S. States By Population | 0 | - | 4.92 | 153,262 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,271 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,360 |
| US States with an Empty Map | 0 | - | 5.00 | 623,659 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,422 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,179 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,132 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,509 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,831 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,612 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,097 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,445 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,143 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,422 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,978 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,125 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,206 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,653 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,817 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,451 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,350 |
| Draw All US State Borders | 0 | - | 4.99 | 136,893 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,641 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,369 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,349 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,828 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,994 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,571 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,435 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,818 |
| Australian Capitals | 0 | - | 4.92 | 62,707 |
| Territories of the United States | 0 | - | 4.79 | 52,349 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,605 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,325 |
| Rivers of the United States | 0 | - | 4.93 | 66,097 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,115 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,038 |
| U.S. Cities that Americans Leave | 0 | - | 4.44 | 33,872 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,174 |
| Hawaiian Islands | 0 | - | 4.83 | 42,665 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,011 |
| New York City Geography | 0 | - | 4.42 | 33,070 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,285 |
| U.S. State Flags | 0 | - | 4.89 | 169,974 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,517 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,562 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,297 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,546 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,471 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,860 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,849 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,040 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,041 |
| Official European Union Languages | 0 | - | 4.97 | 238,252 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,690 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,758 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,676 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,159 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,474 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,567 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,162 |
| United States Country Quiz | 0 | - | 4.43 | 101,394 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,836 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,098 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,224 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,535,242 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,487 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,954 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,682 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,725 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,801 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,271 |
| Asia Map Quiz | 0 | - | 4.99 | 915,281 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,916 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,302 |
| Countries of Africa | 0 | - | 5.00 | 2,532,128 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,694 |
| African East Coast | 0 | - | 4.96 | 95,904 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,716 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,550 |
| Australia Map Quiz | 0 | - | 4.95 | 344,068 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,255 |
| New World Crops | 0 | - | 4.38 | 30,857 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,341 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,821 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,439 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,512 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,700 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,959 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,076 |
| 75 Americans Named John | 0 | - | 4.41 | 23,894 |
| U.S. Cities that Americans Move To | 0 | - | 4.45 | 29,322 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,941 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,487 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,189 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,844 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,316 |
| New York True or False? | 0 | - | 4.53 | 33,798 |
| The Most Recent... United States | 0 | - | 4.45 | 18,419 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,179 |
| New England States | 0 | - | 4.51 | 59,791 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,716 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,760 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,991 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,732 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,900 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,678,008 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,940 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,885 |
| U.S. States by Borders | 0 | - | 4.61 | 35,274 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,582 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,281 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,450 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,984 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,191 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,600 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 33,000 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,623 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,134 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,349 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,638 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,803 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,765 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,372 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,443 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,921 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,858 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,309 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,897 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,601 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,909 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,690 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,138 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,921 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,957 |
| The Only European Country ... | 0 | - | 4.91 | 216,186 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,878 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,782 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,728 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,767 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,793 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,913 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,885 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,766 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,463 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,081 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,156 |
