| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,834 |
| North America Map Quiz | 0 | - | 4.98 | 249,769 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,360 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,145 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,209 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,915 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,538 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,177 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,626 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,457 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,774 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,381 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,684 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,087 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,480 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,616 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,750 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,462 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,655 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,652 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,825 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,667 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,382 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,502 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,076 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,757 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,845 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,392 |
| North American Physical Geography | 0 | - | 4.35 | 30,439 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,312 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,177 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,966 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,988 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,131 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,402 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,970 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,466 |
| US States Quiz | 0 | - | 5.00 | 16,932,191 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,929 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,921 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,614 |
| Pixelated United States Map | 0 | - | 4.88 | 94,520 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,049 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,073 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,351 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,186 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,796 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,731 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,427 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,747 |
| U.S. States By Population | 0 | - | 4.92 | 153,811 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,803 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,635 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,743 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,576 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,357 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,837 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,337 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,982 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,449 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,699 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,477 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,775 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,964 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,895 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,747 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,782 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,602 |
| US States with an Empty Map | 0 | - | 5.00 | 626,438 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,264 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,784 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,946 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,247 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,911 |
| Draw All US State Borders | 0 | - | 4.99 | 139,061 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,005 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,649 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,264 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,500 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,622 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,804 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,693 |
| Australian Capitals | 0 | - | 4.92 | 62,775 |
| Territories of the United States | 0 | - | 4.80 | 52,490 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,762 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,770 |
| Rivers of the United States | 0 | - | 4.93 | 66,398 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,321 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,692 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,324 |
| New York City Geography | 0 | - | 4.42 | 33,138 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,627 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,727 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,396 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,045 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,412 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,050 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,398 |
| Official European Union Languages | 0 | - | 4.97 | 239,075 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,231 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,499 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,044 |
| Asia Map Quiz | 0 | - | 4.99 | 920,579 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,931 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,034 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,287 |
| New World Crops | 0 | - | 4.38 | 30,925 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,625 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,623 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,223 |
| United States Country Quiz | 0 | - | 4.43 | 101,812 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,982 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,413 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,291 |
| Hawaiian Islands | 0 | - | 4.83 | 42,799 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,411 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,546,983 |
| U.S. State Flags | 0 | - | 4.89 | 171,565 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,753 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,603 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,757 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,278 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,002 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,769 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,090 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,953 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,822 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,148 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,889 |
| The Only European Country ... | 0 | - | 4.91 | 217,707 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,785 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,291 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,090 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,429 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,862 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,192 |
| African East Coast | 0 | - | 4.96 | 96,386 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,230 |
| Australia Map Quiz | 0 | - | 4.95 | 345,387 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,741 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,199 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,537 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,335 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,961 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,274 |
| 75 Americans Named John | 0 | - | 4.41 | 23,935 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,057 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,503 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,765 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,539 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,981 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,428 |
| New York True or False? | 0 | - | 4.53 | 33,870 |
| The Most Recent... United States | 0 | - | 4.46 | 18,515 |
| New England States | 0 | - | 4.51 | 59,850 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,923 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,049 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,953 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,147 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,025 |
| U.S. States by Borders | 0 | - | 4.61 | 35,396 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,297 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,857 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,567 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,179 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,285 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,770 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,117 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,763 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,320 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,440 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,768 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,115 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,061 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,491 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,793 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,108 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,988 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,565 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,288 |
| Celtic Nations | 0 | - | 4.69 | 47,008 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,858 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,272 |
| Countries of Africa | 0 | - | 5.00 | 2,547,545 |
| Australian States and Territories | 0 | - | 4.96 | 142,352 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,385 |
| Australia True or False | 0 | - | 4.87 | 56,991 |
| Flags of North and South America | 0 | - | 4.99 | 374,808 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,208 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,394 |
| Peru True or False? | 0 | - | 4.58 | 15,281 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,739 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,807 |
| Top U.S. Universities | 0 | - | 4.15 | 145,448 |
| Largest United States Airlines | 0 | - | 4.39 | 55,090 |
| U.S. States by Governor | 0 | - | 4.43 | 18,084 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,564 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,722 |
