| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,626 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,198 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,179 |
| North America Map Quiz | 0 | - | 4.98 | 250,925 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,929 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,303 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,309 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,276 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,655 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,036 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,744 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,783 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,821 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,828 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,180 |
| Central American Countries | 0 | - | 4.98 | 157,143 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,165 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,928 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,425 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,960 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,524 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,095 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,579 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,770 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,569 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,909 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,589 |
| NATO Countries | 0 | - | 4.98 | 282,722 |
| EU Countries Quiz | 0 | - | 4.99 | 277,009 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,888 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,655 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,952 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,874 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,657 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,425 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,307 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,901 |
| All World Leaders 2026 | 0 | - | 4.95 | 20,890 |
| Territories of the United States | 0 | - | 4.80 | 52,565 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,831 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,964 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,293 |
| New York City Geography | 0 | - | 4.43 | 33,170 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,818 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,614 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,474 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,684 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,581 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,313 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,737 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,893 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,704 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,333 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,052 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,352 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,416 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,759 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| 75 Americans Named John | 0 | - | 4.41 | 23,959 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,143 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,870 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,185 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,802 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,400 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,479 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,821 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,259 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,186 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,542 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,942 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,202 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,046 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,710 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,834 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,826 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,711 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,816 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,177 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,237 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,243 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,422 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,272 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,504 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| Which Island in the United States? | 0 | - | 4.29 | 29,716 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,321 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,806 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,414 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,964 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,975 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,770 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,683 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,499 |
| US States with the Most Executions | 0 | - | 4.51 | 26,421 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,141 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,209 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,224 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,788 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,870 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,237 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,829 |
| Canada Decoder | 0 | - | 4.07 | 18,758 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,981 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,880 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,340 |
| Africa A-Z | 0 | - | 4.57 | 46,743 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,069 |
| Famous Dictators #1 | 0 | - | 4.69 | 200,446 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,323,429 |
| Australian Capitals | 0 | - | 4.92 | 62,808 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,751 |
| Famous Caribbean People | 0 | - | 4.37 | 12,650 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,123 |
| North America Cities by Map | 0 | - | 4.41 | 47,907 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,670 |
| California Multiple Choice | 0 | - | 4.40 | 28,160 |
| San Francisco Trivia | 0 | - | 4.32 | 15,721 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,198 |
| Boston City Trivia | 0 | - | 4.38 | 24,194 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,718 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,590 |
| Official European Union Languages | 0 | - | 4.97 | 239,477 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,482 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,691 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,073 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,045 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,080 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,741 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,082 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,865 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,380 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,595 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,291 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,480 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,212 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,138 |
| Famous Germans | 0 | - | 4.50 | 55,692 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,234 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,373 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,969 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,595 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,116 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,583 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,243 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,198 |
| Middle East A-Z | 0 | - | 4.47 | 46,211 |
| World Leaders Quiz #1 | 0 | - | 4.12 | 110,277 |
| World Leaders Quiz #2 | 0 | - | 4.01 | 36,028 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,590 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,413 |
| Historical Rulers #2 | 0 | - | 4.24 | 47,737 |
| Historical Rulers #1 | 0 | - | 4.34 | 119,453 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,230 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,110 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,825 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,113 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,278 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,651 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,409 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,521 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,151 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,624 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,380 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,874 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,588 |
| Canada A-Z | 0 | - | 4.73 | 32,936 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,294 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,283 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,251 |
| Asia Map Quiz | 0 | - | 4.99 | 923,299 |
| A Quiz About Islam | 0 | - | 4.32 | 48,570 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,091 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,318 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,741 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,164 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,306 |
| Australia Map Quiz | 0 | - | 4.95 | 345,824 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,157 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,361 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,829 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,265 |
| Word Chain - South America | 0 | - | 4.51 | 23,976 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,356 |
| American Inventions #1 | 0 | - | 3.62 | 31,527 |
| American Inventions #2 | 0 | - | 3.93 | 15,884 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,904 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,100 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
