| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,528 |
| North America Map Quiz | 0 | - | 4.98 | 246,393 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,853 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,091 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,955 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,269 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,427 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,688 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,325 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,977 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,196 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,565 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,887 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,098 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,445 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,391 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,501 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,442 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,194 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,804 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,153 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,322 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,432 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,680 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,644 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,727 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,215 |
| North American Physical Geography | 0 | - | 4.35 | 30,379 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,137 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,548 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,009 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,733 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,186 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,279 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,676 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,890 |
| US States Quiz | 0 | - | 5.00 | 16,775,213 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,095 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,647 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,344 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,714 |
| Pixelated United States Map | 0 | - | 4.89 | 93,801 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,972 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,223 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,744 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,328 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,904 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,901 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,329 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,564 |
| U.S. States By Population | 0 | - | 4.92 | 152,769 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,869 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,157 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,189 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,936 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,972 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,243 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,515 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,365 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,851 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,316 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,969 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,189 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,946 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,128 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,638 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,673,104 |
| US States with an Empty Map | 0 | - | 5.00 | 621,253 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,937 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,800 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,112 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,989 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,065 |
| Draw All US State Borders | 0 | - | 4.99 | 135,202 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,391 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,191 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,016 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,288 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,483 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,109 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,324 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,372 |
| Australian Capitals | 0 | - | 4.92 | 62,655 |
| Territories of the United States | 0 | - | 4.79 | 52,248 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,482 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,960 |
| Rivers of the United States | 0 | - | 4.93 | 65,808 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,934 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,771 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,734 |
| New York City Geography | 0 | - | 4.42 | 33,020 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,586 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,970 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,207 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,069 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,499 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,684 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,837 |
| Official European Union Languages | 0 | - | 4.97 | 237,620 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,290 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,488 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,798 |
| Asia Map Quiz | 0 | - | 4.99 | 910,724 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,236 |
| African East Coast | 0 | - | 4.96 | 95,498 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,337 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,171 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,221 |
| New World Crops | 0 | - | 4.37 | 30,574 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,384 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,516 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,123 |
| United States Country Quiz | 0 | - | 4.43 | 101,010 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,721 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,772 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,932 |
| Hawaiian Islands | 0 | - | 4.83 | 42,558 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,201 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,526,729 |
| U.S. State Flags | 0 | - | 4.89 | 168,728 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,600 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,473 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,209 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,861 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,028 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,455 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,753 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,871 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,735 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,263 |
| The Only European Country ... | 0 | - | 4.91 | 215,044 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,267 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,475 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,663 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,784 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,162 |
| Countries of Africa | 0 | - | 5.00 | 2,520,561 |
| Australia Map Quiz | 0 | - | 4.94 | 343,223 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,968 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,458 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,360 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,124 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,677 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,425 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,913 |
| 75 Americans Named John | 0 | - | 4.41 | 23,858 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,845 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,331 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,665 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,928 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,722 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,245 |
| New York True or False? | 0 | - | 4.53 | 33,740 |
| The Most Recent... United States | 0 | - | 4.45 | 18,367 |
| New England States | 0 | - | 4.51 | 59,755 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,625 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,945 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,550 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,810 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,785 |
| U.S. States by Borders | 0 | - | 4.63 | 35,188 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,560 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,830 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,358 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,808 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,079 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,454 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,893 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,507 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,013 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,281 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,545 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,567 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,561 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,265 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,166 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,771 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.42 | 46,133 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,114 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,163 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,603 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,000 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,634 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,701 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,180 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,866 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,655 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,818 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,719 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,176 |
| African Island Countries | 0 | - | 4.96 | 101,127 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,591 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,956 |
| Australian States and Territories | 0 | - | 4.96 | 141,337 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,125 |
| Australia True or False | 0 | - | 4.87 | 56,666 |
| Flags of North and South America | 0 | - | 4.99 | 370,006 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,783 |
