| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,938 |
| North America Map Quiz | 0 | - | 4.98 | 251,074 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,488 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,999 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,277 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,062 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,560 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,320 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,699 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,472 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,830 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,424 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,709 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,148 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,599 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,661 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,890 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,677 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,726 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,803 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,674 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,850 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,401 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,863 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,205 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,795 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,881 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,439 |
| North American Physical Geography | 0 | - | 4.35 | 30,452 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,360 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,388 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,228 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,366 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,988 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,433 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,062 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,632 |
| US States Quiz | 0 | - | 5.00 | 16,971,311 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,391 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,995 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,839 |
| Pixelated United States Map | 0 | - | 4.88 | 94,714 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,366 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,316 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,623 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,904 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,130 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,130 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,183 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,159 |
| U.S. States By Population | 0 | - | 4.92 | 154,035 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,080 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,805 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,979 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,772 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,482 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,003 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,557 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,119 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,598 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,780 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,594 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,928 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,125 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,417 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,128 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,823 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,720,782 |
| US States with an Empty Map | 0 | - | 5.00 | 627,813 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,353 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,049 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,435 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,407 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,167 |
| Draw All US State Borders | 0 | - | 4.99 | 140,186 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,340 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,956 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,515 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,869 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,985 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,984 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,381 |
| Australian Capitals | 0 | - | 4.92 | 62,812 |
| Territories of the United States | 0 | - | 4.80 | 52,579 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,841 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,990 |
| Rivers of the United States | 0 | - | 4.93 | 66,582 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,461 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,981 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,501 |
| New York City Geography | 0 | - | 4.43 | 33,172 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,304 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,002 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,742 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,356 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,701 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,165 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,610 |
| Official European Union Languages | 0 | - | 4.97 | 239,540 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,513 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,409 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,428 |
| Asia Map Quiz | 0 | - | 4.99 | 923,706 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,734 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,332 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,308 |
| New World Crops | 0 | - | 4.38 | 30,944 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,695 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,656 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,265 |
| United States Country Quiz | 0 | - | 4.43 | 102,064 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,035 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,593 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,121 |
| Hawaiian Islands | 0 | - | 4.83 | 42,892 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,476 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,553,175 |
| U.S. State Flags | 0 | - | 4.89 | 172,362 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,346 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,162 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,374 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,382 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,591 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,864 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,172 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,086 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,434 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,251 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,836 |
| The Only European Country ... | 0 | - | 4.91 | 218,545 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,256 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,586 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,016 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,165 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,770 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,138 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,686 |
| African East Coast | 0 | - | 4.96 | 96,621 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,473 |
| Australia Map Quiz | 0 | - | 4.95 | 345,896 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,846 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,278 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,602 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,197 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,764 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,325 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,377 |
| 75 Americans Named John | 0 | - | 4.41 | 23,962 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,107 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,295 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,504 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,784 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,076 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,508 |
| New York True or False? | 0 | - | 4.53 | 33,926 |
| The Most Recent... United States | 0 | - | 4.46 | 18,551 |
| New England States | 0 | - | 4.51 | 59,882 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,016 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,101 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,069 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,243 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,102 |
| U.S. States by Borders | 0 | - | 4.62 | 35,444 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,514 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,306 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,657 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,286 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,411 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,885 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,193 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,808 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,412 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,487 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,829 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,285 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,203 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,553 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,974 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,216 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,058 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,674 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,888 |
| Celtic Nations | 0 | - | 4.61 | 47,072 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,935 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,563 |
| Countries of Africa | 0 | - | 5.00 | 2,554,842 |
| Australian States and Territories | 0 | - | 4.96 | 142,699 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,454 |
| Australia True or False | 0 | - | 4.87 | 57,093 |
| Flags of North and South America | 0 | - | 4.99 | 376,179 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,489 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,832 |
| Peru True or False? | 0 | - | 4.58 | 15,303 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,767 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,630 |
| Top U.S. Universities | 0 | - | 4.15 | 145,682 |
| Largest United States Airlines | 0 | - | 4.39 | 55,134 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,585 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,753 |
