| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,429 |
| North America Map Quiz | 0 | - | 4.98 | 245,147 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,727 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,245 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,879 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,990 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,408 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,528 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,288 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,412 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,258 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,123 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,543 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,840 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,974 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,399 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,225 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,285 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,394 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,038 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,498 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,979 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,306 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,180 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,578 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,603 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,682 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,163 |
| North American Physical Geography | 0 | - | 4.35 | 30,364 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,061 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,297 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,787 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,394 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,390 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,245 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,578 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,731 |
| US States Quiz | 0 | - | 5.00 | 16,730,241 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,541 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,789 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,753 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,753 |
| Pixelated United States Map | 0 | - | 4.89 | 93,618 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,660 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,985 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,442 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,908 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,524 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,575 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,869 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,120 |
| U.S. States By Population | 0 | - | 4.92 | 152,513 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,563 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,971 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,979 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,701 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,827 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,995 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,209 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,170 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,594 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,134 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,740 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,927 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,095 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,370 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,608 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,661,765 |
| US States with an Empty Map | 0 | - | 5.00 | 619,746 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,854 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,575 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,780 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,707 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,742 |
| Draw All US State Borders | 0 | - | 4.99 | 134,200 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,189 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,021 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,726 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,936 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,145 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,938 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,491 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,410 |
| Australian Capitals | 0 | - | 4.92 | 62,611 |
| Territories of the United States | 0 | - | 4.79 | 52,190 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,424 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,713 |
| Rivers of the United States | 0 | - | 4.93 | 65,619 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,826 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,480 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,548 |
| New York City Geography | 0 | - | 4.42 | 32,968 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,038 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,720 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,016 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,831 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,232 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,610 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,704 |
| Official European Union Languages | 0 | - | 4.97 | 237,193 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,054 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,693 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,105 |
| Asia Map Quiz | 0 | - | 4.99 | 908,355 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,956 |
| African East Coast | 0 | - | 4.96 | 95,204 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,081 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,971 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,206 |
| New World Crops | 0 | - | 4.33 | 23,515 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,332 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,489 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,099 |
| United States Country Quiz | 0 | - | 4.43 | 100,757 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,657 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,557 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,189 |
| Hawaiian Islands | 0 | - | 4.83 | 42,482 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,131 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,521,905 |
| U.S. State Flags | 0 | - | 4.89 | 167,827 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,893 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,858 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,764 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,737 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,503 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,350 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,517 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,362 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,603 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,848 |
| The Only European Country ... | 0 | - | 4.91 | 214,336 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,858 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,207 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,610 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,705 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,674 |
| Countries of Africa | 0 | - | 5.00 | 2,512,643 |
| Australia Map Quiz | 0 | - | 4.94 | 342,790 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,858 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,357 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,135 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,792 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,658 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,092 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,795 |
| 75 Americans Named John | 0 | - | 4.41 | 23,834 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,780 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,880 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,165 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,769 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,647 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,213 |
| New England States | 0 | - | 4.51 | 59,720 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,534 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,902 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,408 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,703 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,699 |
| U.S. States by Borders | 0 | - | 4.63 | 35,118 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,426 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,108 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,272 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,188 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,030 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,363 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,826 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,452 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,932 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,232 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,454 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,379 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,432 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,190 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,969 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,655 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,993 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,669 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,556 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,134 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,512 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,566 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,845 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,691 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,437 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,620 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,354 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,751 |
| African Island Countries | 0 | - | 4.96 | 100,918 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,931 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,817 |
| Australian States and Territories | 0 | - | 4.96 | 141,095 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,059 |
| Australia True or False | 0 | - | 4.87 | 56,567 |
| Flags of North and South America | 0 | - | 4.99 | 368,433 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,427 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,332 |
| Peru True or False? | 0 | - | 4.58 | 15,201 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,615 |
