| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,160 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,147 |
| Word Chain - South America | 0 | - | 4.51 | 23,942 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,279 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,738 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,438 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,169 |
| Peru True or False? | 0 | - | 4.58 | 15,276 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,650 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,400 |
| North America Map Quiz | 0 | - | 4.98 | 249,624 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,819 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,945 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,017 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,327 |
| Famous People from South America | 0 | - | 4.15 | 22,025 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,081 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,264 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,897 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,457 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,637 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,792 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,645 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,450 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,059 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,596 |
| States of Mexico | 0 | - | 4.96 | 176,904 |
| History of Mexico | 0 | - | 4.58 | 15,339 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,239 |
| States of Brazil | 0 | - | 4.97 | 88,727 |
| Central American Countries | 0 | - | 4.98 | 156,848 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,996 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,182 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,305 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,776 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,726 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,322 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,970 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,441 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,689 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,461 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,748 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,802 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,987 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,200 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,601 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,824 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,773 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,776 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,670 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,720 |
| Famous Caribbean People | 0 | - | 4.37 | 12,637 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,083 |
| Territories of the United States | 0 | - | 4.80 | 52,482 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,753 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,734 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,307 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,159 |
| New York City Geography | 0 | - | 4.42 | 33,132 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,726 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,116 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,792 |
| Australian Capitals | 0 | - | 4.92 | 62,764 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,612 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,370 |
| Official European Union Languages | 0 | - | 4.97 | 239,003 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,188 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,341 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,910 |
| Asia Map Quiz | 0 | - | 4.99 | 920,218 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,498 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,009 |
| Australia Map Quiz | 0 | - | 4.95 | 345,303 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,286 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,280 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,803 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 41,449 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,685 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,531 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,374 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,678 |
| 75 Americans Named John | 0 | - | 4.41 | 23,930 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,082 |
| New York True or False? | 0 | - | 4.53 | 33,864 |
| The Most Recent... United States | 0 | - | 4.46 | 18,507 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,764 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,111 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,759 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,310 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,431 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,759 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,092 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,046 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,484 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,783 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,095 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,983 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,548 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,373 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,901 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,755 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,076 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,698 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,187 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,131 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,797 |
| The Only European Country ... | 0 | - | 4.91 | 217,569 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,694 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,927 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,376 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,100 |
| Countries of Africa | 0 | - | 5.00 | 2,546,537 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,152 |
| African East Coast | 0 | - | 4.96 | 96,337 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,201 |
| Australian States and Territories | 0 | - | 4.96 | 142,305 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,377 |
| Australia True or False | 0 | - | 4.87 | 56,966 |
| Flags of North and South America | 0 | - | 4.99 | 374,589 |
| South American Physical Geography | 0 | - | 4.58 | 18,370 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,736 |
| Florida True or False? | 0 | - | 4.48 | 28,715 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,137 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,750 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,186 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,739 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,624 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,454 |
| US States with the Most Executions | 0 | - | 4.51 | 26,408 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,107 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,109 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,208 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,189 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,753 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,839 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,244 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,981 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,629 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,437 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,363 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,563 |
| Celtic Nations | 0 | - | 4.69 | 47,006 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,331 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,988 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,498 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,533 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,406 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,651 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,566 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,529 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,719 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,393 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,642 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,462 |
| Slavic Countries | 0 | - | 4.96 | 111,951 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,501 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,227 |
| Counties of England | 0 | - | 4.97 | 799,402 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,486 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,320 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,447 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,087 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,405 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,277 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,305 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,853 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,688 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,884 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,195 |
| Countries of the Middle East | 0 | - | 4.96 | 201,790 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,614 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,132 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,628 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,436 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,830 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,535 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,465 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,923 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,551 |
| African Island Countries | 0 | - | 4.96 | 101,919 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,957 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,446 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,607 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,450 |
| Flags of Oceania | 0 | - | 5.00 | 260,760 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,453 |
| Palau Country Quiz | 0 | - | 4.90 | 23,063 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,789 |
| Australia Country Quiz | 0 | - | 4.43 | 69,684 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,701 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,310 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,172 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,735 |
| Regions of New Zealand | 0 | - | 4.84 | 28,606 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,489 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,878 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,559 |
| The Only American Country ... | 0 | - | 4.92 | 121,852 |
