| United States Map Quiz | 0 | - | 4.98 | 4,148,581 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,324 |
| North America Map Quiz | 0 | - | 4.98 | 246,575 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,547 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,878 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,872 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,868 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,750 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,393 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,302 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,514 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,212 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,832 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,169 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,470 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,695 |
| Central American Countries | 0 | - | 4.98 | 155,522 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,874 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,703 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,202 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,548 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,379 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,871 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,334 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,984 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,205 |
| Canada Decoder | 0 | - | 4.12 | 18,686 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,204 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,450 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,138 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,405 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,526 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,843 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,582 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Cold War Decoder | 0 | - | 4.83 | 52,119 |
| Territories of the United States | 0 | - | 4.79 | 52,256 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,495 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,986 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,944 |
| New York City Geography | 0 | - | 4.42 | 33,023 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,387 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,761 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,545 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,262 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,253 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,844 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,334 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,343 |
| Geography Decoder | 0 | - | 4.53 | 75,475 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,499 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,137 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,543 |
| Famous Caribbean People | 0 | - | 4.37 | 12,592 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,146 |
| History of Mexico | 0 | - | 4.58 | 15,261 |
| Word Chain - South America | 0 | - | 4.51 | 23,835 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,365 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,204 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,680 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,571 |
| 75 Americans Named John | 0 | - | 4.41 | 23,862 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,892 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,463 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,899 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,515 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,021 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,283 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,555 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,583 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,576 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,273 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,188 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,788 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,309 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,132 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,247 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,818 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,299 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,494 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,193 |
| Christmas Decoder | 0 | - | 4.42 | 49,423 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,641 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,050 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,038 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,084 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,142 |
| Science Decoder | 0 | - | 4.52 | 28,688 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,401 |
| Famous People from South America | 0 | - | 4.15 | 21,874 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,079 |
| Which Island in the United States? | 0 | - | 4.29 | 29,332 |
| American Foods | 0 | - | 3.66 | 39,325 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,120 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,166 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,698 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,252 |
| Old West History | 0 | - | 4.33 | 15,241 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,508 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,892 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,688 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,636 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,459 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,268 |
| US States with the Most Executions | 0 | - | 4.51 | 26,368 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,986 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,796 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,073 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,649 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,731 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,153 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,324 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,057 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,165 |
| Famous People from Africa | 0 | - | 4.45 | 10,923 |
| Word Chain - Africa | 0 | - | 4.47 | 31,543 |
| Four Letter African Geography | 0 | - | 4.67 | 18,650 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,640 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,986 |
| North America Cities by Map | 0 | - | 4.41 | 47,705 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,516 |
| California Multiple Choice | 0 | - | 4.40 | 28,068 |
| San Francisco Trivia | 0 | - | 4.32 | 15,681 |
| San Francisco A-Z | 0 | - | 4.18 | 9,544 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,172 |
| Boston City Trivia | 0 | - | 4.38 | 24,153 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,614 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,854 |
| Official European Union Languages | 0 | - | 4.97 | 237,671 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,318 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,125 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,243 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,264 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 272,040 |
| Halloween Decoder | 0 | - | 4.21 | 45,573 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,862 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,725 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,636 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,729 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,029 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,203 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,535 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,290 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,408 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,389 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,576 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,303 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,812 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,549 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,525 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,575 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,952 |
| Asia Map Quiz | 0 | - | 4.99 | 911,007 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,470 |
| Countries of Africa | 0 | - | 5.00 | 2,521,592 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,270 |
| African East Coast | 0 | - | 4.96 | 95,526 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,361 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,209 |
| Australia Map Quiz | 0 | - | 4.94 | 343,285 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,981 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,294 |
| American Inventions #1 | 0 | - | 3.63 | 31,483 |
| American Inventions #2 | 0 | - | 3.93 | 15,845 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,650 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,206 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,502 |
| University of California Campuses | 0 | - | 3.84 | 8,889 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,384 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,090 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,763 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,949 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,235 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,327 |
| The Only European Country ... | 0 | - | 4.91 | 215,163 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,332 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,896 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,668 |
| Word Chain - Asia | 0 | - | 4.34 | 29,273 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,203 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,143 |
| Italian Name Translation | 0 | - | 4.81 | 45,947 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,301 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,389 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,395 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,176 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,828 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,722 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,224 |
| Disney Animated Characters | 0 | - | 4.88 | 600,303 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,317 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,094 |
| Countries with Four Letters | 0 | - | 4.99 | 420,360 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,610 |
| Random Symbol to Element | 0 | - | 4.88 | 92,529 |
