| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,230 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,698 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,025 |
| North America Map Quiz | 0 | - | 4.98 | 247,853 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,670 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,585 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,351 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,063 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,614 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,745 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,567 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,918 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,379 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,361 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,792 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,839 |
| Central American Countries | 0 | - | 4.98 | 155,937 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,996 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,100 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,405 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,813 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,604 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,077 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,436 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,130 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,404 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,434 |
| NATO Countries | 0 | - | 4.98 | 279,432 |
| EU Countries Quiz | 0 | - | 4.99 | 273,064 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,340 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,508 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,412 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,532 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,118 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,453 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,722 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,278 |
| All World Leaders 2026 | 0 | - | 4.94 | 18,012 |
| Territories of the United States | 0 | - | 4.79 | 52,342 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,595 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,300 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,870 |
| New York City Geography | 0 | - | 4.42 | 33,065 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,532 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,721 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,235 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,337 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,476 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,052 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,757 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,425 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,362 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,796 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,817 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,209 |
| History of Mexico | 0 | - | 4.58 | 15,292 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,266 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,697 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,608 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,973 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,594 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,993 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,616 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,131 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,347 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,629 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,785 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,756 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,365 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,425 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,909 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,846 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,303 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,569 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,968 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,909 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,419 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,701 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,095 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,096 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,144 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,405 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,199 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,053 |
| Africa A-Z | 0 | - | 4.57 | 46,575 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,946 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,103 |
| Which Island in the United States? | 0 | - | 4.29 | 29,445 |
| American Foods | 0 | - | 3.66 | 39,363 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,231 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,733 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,307 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,877 |
| Old West History | 0 | - | 4.33 | 15,260 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,917 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,708 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,668 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,529 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,354 |
| US States with the Most Executions | 0 | - | 4.51 | 26,386 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,042 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,935 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,125 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,684 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,775 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,177 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,548 |
| Canada Decoder | 0 | - | 4.12 | 18,707 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,488 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,445 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,762 |
| Famous Dictators #1 | 0 | - | 4.69 | 199,571 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,314,378 |
| Australian Capitals | 0 | - | 4.92 | 62,702 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,677 |
| Famous Caribbean People | 0 | - | 4.37 | 12,609 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,016 |
| North America Cities by Map | 0 | - | 4.41 | 47,770 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,563 |
| California Multiple Choice | 0 | - | 4.40 | 28,090 |
| San Francisco Trivia | 0 | - | 4.32 | 15,694 |
| San Francisco A-Z | 0 | - | 4.18 | 9,562 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,181 |
| Boston City Trivia | 0 | - | 4.38 | 24,162 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,644 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,025 |
| Official European Union Languages | 0 | - | 4.97 | 238,209 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,660 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,475 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,706 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,433 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,151 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,202 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,231 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,289 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,611 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,506 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,834 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,197 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,946 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,418 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,931 |
| Famous Germans | 0 | - | 4.50 | 55,206 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,349 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,085 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,640 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,371 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,834 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,313 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,965 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,779 |
| Middle East A-Z | 0 | - | 4.47 | 45,981 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,977 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,392 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,213 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,420 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,824 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,904 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,255 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,923 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,771 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,054 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,229 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,573 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,329 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,443 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,535 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,594 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,330 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,835 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,565 |
| Canada A-Z | 0 | - | 4.73 | 32,786 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,541 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,637 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,592 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,026 |
| Asia Map Quiz | 0 | - | 4.99 | 914,987 |
| A Quiz About Islam | 0 | - | 4.31 | 48,404 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,772 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,422 |
| Countries of Africa | 0 | - | 5.00 | 2,531,398 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,659 |
| African East Coast | 0 | - | 4.96 | 95,868 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,673 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,510 |
| Australia Map Quiz | 0 | - | 4.95 | 343,919 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,855 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,254 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,097 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,334 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,810 |
| Word Chain - South America | 0 | - | 4.51 | 23,879 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,312 |
| American Inventions #1 | 0 | - | 3.63 | 31,498 |
| American Inventions #2 | 0 | - | 3.93 | 15,858 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,723 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,383 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,537 |
