| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| North America Map Quiz | 0 | - | 4.98 | 250,977 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,479 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,919 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,267 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,042 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,556 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,298 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,686 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,293 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,416 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,144 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,583 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,656 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,879 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,662 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,431 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,786 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,634 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,823 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,397 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,832 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,184 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,160 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,788 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,871 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,363 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,197 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,330 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,913 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,428 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,053 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,615 |
| US States Quiz | 0 | - | 5.00 | 16,967,381 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,329 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,353 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,703 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,903 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,817 |
| Pixelated United States Map | 0 | - | 4.88 | 94,680 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,327 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,283 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,719,795 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,591 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,847 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,076 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,081 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,853 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,097 |
| U.S. States By Population | 0 | - | 4.92 | 154,003 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,038 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,780 |
| US States with an Empty Map | 0 | - | 5.00 | 627,667 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,964 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,749 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,461 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,982 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,534 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,100 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,580 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,771 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,572 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,914 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,342 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,015 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,381 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,260 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,139 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,891 |
| Draw All US State Borders | 0 | - | 4.99 | 140,065 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,317 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,944 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,091 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,832 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,950 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,011 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,959 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,359 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,086 |
| Australian Capitals | 0 | - | 4.92 | 62,810 |
| Territories of the United States | 0 | - | 4.80 | 52,569 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,834 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,970 |
| Rivers of the United States | 0 | - | 4.93 | 66,569 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,438 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,572 |
| U.S. Cities that Americans Leave | 0 | - | 4.44 | 34,043 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,949 |
| Hawaiian Islands | 0 | - | 4.83 | 42,878 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,486 |
| New York City Geography | 0 | - | 4.43 | 33,170 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,471 |
| U.S. State Flags | 0 | - | 4.89 | 172,285 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,286 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,251 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,977 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.95 | 194,531 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,714 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,329 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,686 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,154 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,363 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,597 |
| Official European Union Languages | 0 | - | 4.97 | 239,490 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,488 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,712 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,168 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,680 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,652 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| United States Country Quiz | 0 | - | 4.43 | 102,038 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,031 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,059 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,214 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,707 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,096 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,328 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 118,819 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,327 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,550 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,287 |
| Asia Map Quiz | 0 | - | 4.99 | 923,447 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,158 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,094 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,425 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,070 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,166 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,307 |
| Australia Map Quiz | 0 | - | 4.95 | 345,855 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| New World Crops | 0 | - | 4.38 | 30,939 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,830 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,268 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,593 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,121 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,761 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,296 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,360 |
| 75 Americans Named John | 0 | - | 4.41 | 23,959 |
| U.S. Cities that Americans Move To | 0 | - | 4.45 | 29,481 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,104 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,422 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,765 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,064 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,502 |
| New York True or False? | 0 | - | 4.53 | 33,922 |
| The Most Recent... United States | 0 | - | 4.46 | 18,546 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,550 |
| New England States | 0 | - | 4.51 | 59,879 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,091 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,006 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,095 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,049 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,195 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,487 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,234 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,093 |
| U.S. States by Borders | 0 | - | 4.62 | 35,439 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,353 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,207 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,648 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,274 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,407 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,873 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,189 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,802 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,402 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,480 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,823 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,266 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,187 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,546 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,945 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,204 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,049 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,665 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,538 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,850 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,378 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,811 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,239 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,802 |
| The Only European Country ... | 0 | - | 4.91 | 218,476 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,217 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,009 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,927 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,721 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,405 |
| Countries of Africa | 0 | - | 5.00 | 2,553,943 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,665 |
| African East Coast | 0 | - | 4.96 | 96,598 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,442 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,871 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,477 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,453 |
| Australian States and Territories | 0 | - | 4.96 | 142,669 |
