| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,556 |
| North America Map Quiz | 0 | - | 4.98 | 246,725 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,882 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,283 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,971 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,320 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,434 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,721 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,341 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,954 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,210 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,573 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,897 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,116 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,454 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,415 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,543 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,458 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,220 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,877 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,183 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,327 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,492 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,704 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,650 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,733 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,234 |
| North American Physical Geography | 0 | - | 4.35 | 30,386 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,149 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,595 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,079 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,791 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,397 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,285 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,696 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,923 |
| US States Quiz | 0 | - | 5.00 | 16,785,170 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,172 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,878 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,441 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,921 |
| Pixelated United States Map | 0 | - | 4.89 | 93,844 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,040 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,281 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,832 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,396 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,952 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,955 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,406 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,633 |
| U.S. States By Population | 0 | - | 4.92 | 152,808 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,927 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,188 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,226 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,978 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,998 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,289 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,563 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,390 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,888 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,341 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,998 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,220 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,158 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,216 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,646 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,675,813 |
| US States with an Empty Map | 0 | - | 5.00 | 621,537 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,957 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,857 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,185 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,210 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,120 |
| Draw All US State Borders | 0 | - | 4.99 | 135,460 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,434 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,213 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,014 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,384 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,548 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,158 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,074 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,739 |
| Australian Capitals | 0 | - | 4.92 | 62,662 |
| Territories of the United States | 0 | - | 4.79 | 52,263 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,498 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,005 |
| Rivers of the United States | 0 | - | 4.93 | 65,852 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,960 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,826 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,768 |
| New York City Geography | 0 | - | 4.42 | 33,026 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,843 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,012 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,239 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,102 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,551 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,702 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,868 |
| Official European Union Languages | 0 | - | 4.97 | 237,709 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,347 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,628 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,148 |
| Asia Map Quiz | 0 | - | 4.99 | 911,261 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,296 |
| African East Coast | 0 | - | 4.96 | 95,552 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,386 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,231 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| New World Crops | 0 | - | 4.37 | 30,651 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,398 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,520 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,132 |
| United States Country Quiz | 0 | - | 4.43 | 101,075 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,741 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,813 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,083 |
| Hawaiian Islands | 0 | - | 4.83 | 42,568 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,217 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,989 |
| U.S. State Flags | 0 | - | 4.89 | 168,952 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,739 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,594 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,307 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,883 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,158 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,481 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,769 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,002 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,759 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,362 |
| The Only European Country ... | 0 | - | 4.91 | 215,235 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,375 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,521 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,673 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,806 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,243 |
| Countries of Africa | 0 | - | 5.00 | 2,522,229 |
| Australia Map Quiz | 0 | - | 4.94 | 343,324 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,987 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,475 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,376 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,297 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,680 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,491 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,937 |
| 75 Americans Named John | 0 | - | 4.41 | 23,864 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,856 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,452 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,774 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,960 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,742 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,253 |
| New York True or False? | 0 | - | 4.53 | 33,746 |
| The Most Recent... United States | 0 | - | 4.45 | 18,376 |
| New England States | 0 | - | 4.51 | 59,759 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,656 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,954 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,575 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,838 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,794 |
| U.S. States by Borders | 0 | - | 4.63 | 35,204 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,796 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 184,058 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,374 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,834 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,091 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,472 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,911 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,519 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,035 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,288 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,564 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,596 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,592 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,279 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,209 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,806 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,415 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,145 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,293 |
| Celtic Nations | 0 | - | 4.69 | 46,876 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,614 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,272 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,664 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,116 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,270 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,925 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,710 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,858 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,795 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,255 |
| African Island Countries | 0 | - | 4.96 | 101,194 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,679 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,993 |
| Australian States and Territories | 0 | - | 4.96 | 141,397 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,149 |
| Australia True or False | 0 | - | 4.87 | 56,684 |
| Flags of North and South America | 0 | - | 4.99 | 370,372 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,892 |
