| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,179 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,399 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,835 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,363 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,398 |
| Official European Union Languages | 0 | - | 4.97 | 239,076 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,235 |
| Word Chain - South America | 0 | - | 4.51 | 23,948 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,811 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,150 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,752 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,463 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,209 |
| Peru True or False? | 0 | - | 4.58 | 15,281 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,655 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,825 |
| North America Map Quiz | 0 | - | 4.98 | 249,772 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,195 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,195 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,468 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,730 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,627 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,630 |
| Famous People from South America | 0 | - | 4.15 | 22,033 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,170 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,305 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,916 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,488 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,653 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,829 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,671 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,504 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,076 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,619 |
| States of Mexico | 0 | - | 4.96 | 177,096 |
| History of Mexico | 0 | - | 4.58 | 15,341 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,280 |
| States of Brazil | 0 | - | 4.97 | 88,834 |
| Central American Countries | 0 | - | 4.98 | 156,890 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,027 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,277 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,313 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,782 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,746 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,339 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,984 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,450 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,699 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,477 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,775 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,921 |
| Slavic Languages | 0 | - | 4.68 | 54,513 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,209 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,616 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,445 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,968 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,805 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,902 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,594 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,749 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,723 |
| Famous Caribbean People | 0 | - | 4.37 | 12,640 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,090 |
| Territories of the United States | 0 | - | 4.80 | 52,491 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,762 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,774 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,321 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,178 |
| New York City Geography | 0 | - | 4.42 | 33,139 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,738 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,320 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,755 |
| Top World Languages | 0 | - | 4.92 | 825,566 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,199 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,734 |
| Australian Capitals | 0 | - | 4.92 | 62,776 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,626 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,502 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,970 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,060 |
| Asia Map Quiz | 0 | - | 4.99 | 920,592 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,214 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,966 |
| Countries by Official Language | 0 | - | 4.95 | 195,420 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,655 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,608 |
| Countries in their Native Language | 0 | - | 4.99 | 199,201 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,229 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,034 |
| Australia Map Quiz | 0 | - | 4.95 | 345,389 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,287 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,300 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,806 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,721 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,539 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,381 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,685 |
| 75 Americans Named John | 0 | - | 4.41 | 23,935 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,089 |
| New York True or False? | 0 | - | 4.53 | 33,870 |
| The Most Recent... United States | 0 | - | 4.46 | 18,516 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,770 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,117 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,764 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,320 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,441 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,769 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,117 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,063 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,491 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,795 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,108 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,988 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,566 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,378 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,004 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,771 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,090 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,826 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,290 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,148 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,891 |
| The Only European Country ... | 0 | - | 4.91 | 217,711 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,789 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,938 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,433 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,280 |
| Countries of Africa | 0 | - | 5.00 | 2,547,582 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,194 |
| African East Coast | 0 | - | 4.96 | 96,387 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,239 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,524 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,807 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,517 |
| German-Speaking Countries | 0 | - | 4.91 | 145,819 |
| Italian Name Translation | 0 | - | 4.83 | 47,382 |
| French-Speaking Countries | 0 | - | 4.85 | 271,053 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,466 |
| Australian States and Territories | 0 | - | 4.96 | 142,360 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,385 |
| Australia True or False | 0 | - | 4.87 | 56,992 |
| Flags of North and South America | 0 | - | 4.99 | 374,825 |
| South American Geography Quiz #2 | 0 | - | 4.38 | 42,093 |
| South American Physical Geography | 0 | - | 4.58 | 18,378 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,739 |
| Florida True or False? | 0 | - | 4.48 | 28,725 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,145 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,752 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,191 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,746 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,636 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,464 |
| US States with the Most Executions | 0 | - | 4.51 | 26,413 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,109 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,119 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,214 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,192 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,757 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,845 |
| Which Canadian Province? | 0 | - | 4.75 | 9,752 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,247 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,998 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,665 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,376 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,312 |
| Celtic Nations | 0 | - | 4.69 | 47,008 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,707 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,042 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,548 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,667 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,456 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,709 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,652 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,819 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,787 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,690 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,493 |
| Slavic Countries | 0 | - | 4.96 | 111,989 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,520 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| Counties of England | 0 | - | 4.97 | 799,783 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,760 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,704 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,478 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,111 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,433 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,301 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,342 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,887 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,949 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,239 |
| Countries of the Middle East | 0 | - | 4.96 | 201,860 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,456 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,302 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,111 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,498 |
