| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,287 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,332 |
| Word Chain - South America | 0 | - | 4.51 | 23,779 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,265 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,225 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,286 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,427 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,917 |
| North America Map Quiz | 0 | - | 4.98 | 245,148 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,429 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,670 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,676 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,727 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| Famous People from South America | 0 | - | 4.15 | 21,819 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,394 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,167 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,133 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,990 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,178 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,038 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,499 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,979 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,180 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,578 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,994 |
| States of Mexico | 0 | - | 4.95 | 173,815 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,133 |
| States of Brazil | 0 | - | 4.98 | 86,665 |
| Central American Countries | 0 | - | 4.98 | 155,221 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,250 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,061 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,790 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,608 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,979 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,209 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,170 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,594 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,134 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,740 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,927 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,753 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,246 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,399 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,938 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,376 |
| Australian Capitals | 0 | - | 4.92 | 62,611 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,607 |
| Famous Caribbean People | 0 | - | 4.37 | 12,572 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,949 |
| Territories of the United States | 0 | - | 4.79 | 52,190 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,424 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,713 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,826 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,528 |
| New York City Geography | 0 | - | 4.42 | 32,968 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,286 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,704 |
| Official European Union Languages | 0 | - | 4.97 | 237,193 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,054 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,732 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,492 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,410 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,399 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,288 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,694 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,106 |
| Asia Map Quiz | 0 | - | 4.99 | 908,357 |
| Countries of Africa | 0 | - | 5.00 | 2,512,651 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,957 |
| African East Coast | 0 | - | 4.96 | 95,204 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,081 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,971 |
| Australia Map Quiz | 0 | - | 4.94 | 342,791 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,206 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,875 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,629 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,223 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,489 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,135 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,123 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,658 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,543 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,840 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,363 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,826 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,452 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,932 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,232 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,455 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,379 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,433 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,190 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,969 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,655 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,213 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,503 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,350 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,363 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,671 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,603 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,848 |
| The Only European Country ... | 0 | - | 4.91 | 214,337 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,858 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,610 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,674 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,153 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,512 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,568 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,845 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,691 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,437 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,620 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,354 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,751 |
| African Island Countries | 0 | - | 4.96 | 100,918 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,931 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,817 |
| Australian States and Territories | 0 | - | 4.96 | 141,095 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,059 |
| Australia True or False | 0 | - | 4.87 | 56,568 |
| Flags of North and South America | 0 | - | 4.99 | 368,435 |
| South American Physical Geography | 0 | - | 4.58 | 18,284 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,615 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,019 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,987 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,040 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,111 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,567 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,260 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,620 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,306 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,869 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,452 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,737 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,593 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,945 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,248 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,585 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,850 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,435 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,334 |
| Slavic Countries | 0 | - | 4.96 | 111,001 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,096 |
| Counties of England | 0 | - | 4.97 | 790,414 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,909 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,838 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,453 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,939 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,533 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,391 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,951 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,651 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,819 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,038 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,281 |
| Countries of the Middle East | 0 | - | 4.96 | 199,265 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,291 |
| States of India | 0 | - | 4.94 | 190,798 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,221 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,039 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,318 |
| The Only African Country ... | 0 | - | 4.99 | 128,467 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,826 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,212 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,641 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,493 |
| Flags of Oceania | 0 | - | 5.00 | 255,916 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,999 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,563 |
| Australia Country Quiz | 0 | - | 4.43 | 69,348 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,150 |
| Regions of New Zealand | 0 | - | 4.85 | 28,265 |
| The Only American Country ... | 0 | - | 4.92 | 120,895 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,445 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,972 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,417 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,051 |
| Which Island in the United States? | 0 | - | 4.29 | 29,221 |
| American Foods | 0 | - | 3.66 | 39,294 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,027 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,675 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,223 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |
| Old West History | 0 | - | 4.33 | 15,232 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,498 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,863 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,658 |
| US States Quiz | 0 | - | 5.00 | 16,730,290 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,591 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,600 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,405 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,193 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,948 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,678 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,088 |
