| Canada Provinces and Territories | 0 | - | 5.00 | 342,661 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,173 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,488 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,834 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,499 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,551 |
| North America Map Quiz | 0 | - | 4.98 | 248,609 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,742 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,386 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,009 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,684 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,191 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,488 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,481 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,088 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,950 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,540 |
| Central American Countries | 0 | - | 4.98 | 156,492 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,473 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,197 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,610 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,534 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,996 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,732 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,207 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,517 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,247 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,538 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,465 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,329 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,560 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,108 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,132 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,622 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,245 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,806 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,003 |
| Territories of the United States | 0 | - | 4.80 | 52,402 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,679 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,482 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,008 |
| New York City Geography | 0 | - | 4.42 | 33,104 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,387 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,867 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,130 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,381 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,410 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,196 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,638 |
| Canada Decoder | 0 | - | 4.12 | 18,719 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,643 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,006 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,529 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,823 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,540 |
| Canada A-Z | 0 | - | 4.73 | 32,839 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,473 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,933 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,318 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,718 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,639 |
| 75 Americans Named John | 0 | - | 4.41 | 23,905 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,023 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,671 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,043 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,677 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,201 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,385 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,687 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,917 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,865 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,424 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,584 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,984 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,914 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,403 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,262 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,734 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,114 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,138 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,165 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,217 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,606 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,650 |
| Africa A-Z | 0 | - | 4.57 | 46,609 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,242 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,128 |
| Which Island in the United States? | 0 | - | 4.29 | 29,522 |
| American Foods | 0 | - | 3.66 | 39,383 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,257 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,766 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,335 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,901 |
| Old West History | 0 | - | 4.34 | 15,276 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,520 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,937 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,736 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,700 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,577 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,406 |
| US States with the Most Executions | 0 | - | 4.51 | 26,397 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,068 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,015 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,151 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,715 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,804 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,333 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,578 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,591 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,191 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,698 |
| Famous Caribbean People | 0 | - | 4.37 | 12,622 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,039 |
| North America Cities by Map | 0 | - | 4.41 | 47,811 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,591 |
| California Multiple Choice | 0 | - | 4.40 | 28,104 |
| San Francisco Trivia | 0 | - | 4.32 | 15,705 |
| San Francisco A-Z | 0 | - | 4.18 | 9,573 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,182 |
| Boston City Trivia | 0 | - | 4.38 | 24,172 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,673 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,352 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,431 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,075 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,709 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,584 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,732 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,603 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,901 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,749 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,049 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,494 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,820 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,651 |
| Famous Germans | 0 | - | 4.50 | 55,304 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,518 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,145 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,712 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,422 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,922 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,380 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,042 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,891 |
| Middle East A-Z | 0 | - | 4.47 | 46,024 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,317,084 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,285 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,529 |
| Australian Capitals | 0 | - | 4.92 | 62,727 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,775 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,074 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,244 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,592 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,354 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,465 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 27,112 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,604 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,339 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,845 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,571 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,558 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,149 |
| Official European Union Languages | 0 | - | 4.97 | 238,557 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,891 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,282 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,044 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,356 |
| Asia Map Quiz | 0 | - | 4.99 | 917,064 |
| A Quiz About Islam | 0 | - | 4.31 | 48,448 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,856 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,267 |
| Countries of Africa | 0 | - | 5.00 | 2,537,840 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,851 |
| African East Coast | 0 | - | 4.96 | 96,091 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,910 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,727 |
| Australia Map Quiz | 0 | - | 4.95 | 344,661 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,270 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,177 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,428 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,873 |
| Word Chain - South America | 0 | - | 4.51 | 23,909 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,327 |
| American Inventions #1 | 0 | - | 3.63 | 31,503 |
| American Inventions #2 | 0 | - | 3.93 | 15,866 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,771 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,236 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,561 |
| University of California Campuses | 0 | - | 3.84 | 8,918 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,327 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,660 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,973 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,088 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,537 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,830 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,989 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,115 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,783 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,590 |
