| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,582 |
| North America Map Quiz | 0 | - | 4.98 | 246,926 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,929 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,497 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,990 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,366 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,446 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,757 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,369 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,722 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,218 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,581 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,921 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,139 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,461 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,439 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,591 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,475 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,258 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,940 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,224 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,331 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,543 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,727 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,656 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,740 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,250 |
| North American Physical Geography | 0 | - | 4.35 | 30,392 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,160 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,631 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,136 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,886 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,577 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,290 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,724 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,958 |
| US States Quiz | 0 | - | 5.00 | 16,795,604 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,268 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,063 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,534 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,221 |
| Pixelated United States Map | 0 | - | 4.89 | 93,892 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,105 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,345 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,158 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,449 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,001 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,010 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,480 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,695 |
| U.S. States By Population | 0 | - | 4.92 | 152,857 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,989 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,220 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,257 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,018 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,025 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,342 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,623 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,418 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,924 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,358 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,021 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,257 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,336 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,338 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,659 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,707 |
| US States with an Empty Map | 0 | - | 5.00 | 621,871 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,012 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,947 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,272 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,505 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,192 |
| Draw All US State Borders | 0 | - | 4.99 | 135,745 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,468 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,244 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,767 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,482 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,637 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,211 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,843 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,128 |
| Australian Capitals | 0 | - | 4.92 | 62,671 |
| Territories of the United States | 0 | - | 4.79 | 52,278 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,514 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,074 |
| Rivers of the United States | 0 | - | 4.93 | 65,902 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,990 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,903 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,825 |
| New York City Geography | 0 | - | 4.42 | 33,033 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,036 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,076 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,303 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,179 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,625 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,739 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,891 |
| Official European Union Languages | 0 | - | 4.97 | 237,800 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,411 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,805 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,686 |
| Asia Map Quiz | 0 | - | 4.99 | 911,875 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,367 |
| African East Coast | 0 | - | 4.96 | 95,611 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,440 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,270 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,231 |
| New World Crops | 0 | - | 4.37 | 30,750 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,415 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,530 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,144 |
| United States Country Quiz | 0 | - | 4.43 | 101,136 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,776 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,851 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,292 |
| Hawaiian Islands | 0 | - | 4.83 | 42,582 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,229 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,424 |
| U.S. State Flags | 0 | - | 4.89 | 169,135 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,895 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,848 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,498 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,919 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,302 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,504 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,795 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,133 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,784 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,464 |
| The Only European Country ... | 0 | - | 4.91 | 215,418 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,470 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,584 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,691 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,826 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,312 |
| Countries of Africa | 0 | - | 5.00 | 2,523,946 |
| Australia Map Quiz | 0 | - | 4.94 | 343,442 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,006 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,489 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,387 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,519 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,683 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,561 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,954 |
| 75 Americans Named John | 0 | - | 4.41 | 23,872 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,873 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,556 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,904 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,992 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,771 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,262 |
| New York True or False? | 0 | - | 4.53 | 33,755 |
| The Most Recent... United States | 0 | - | 4.45 | 18,383 |
| New England States | 0 | - | 4.51 | 59,764 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,678 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,959 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,600 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,863 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,815 |
| U.S. States by Borders | 0 | - | 4.61 | 35,220 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,066 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,356 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,380 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,864 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,105 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,495 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,920 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,531 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,055 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,302 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,581 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,642 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,628 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,304 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,253 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,825 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,548 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,169 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,446 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,656 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,697 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,735 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,549 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,356 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,979 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,784 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,902 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,859 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,337 |
| African Island Countries | 0 | - | 4.96 | 101,240 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,754 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,030 |
| Australian States and Territories | 0 | - | 4.96 | 141,455 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,170 |
| Australia True or False | 0 | - | 4.87 | 56,703 |
| Flags of North and South America | 0 | - | 4.99 | 370,754 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,007 |
