| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,032 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,194 |
| Word Chain - South America | 0 | - | 4.51 | 23,754 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,454 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,932 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,281 |
| North America Map Quiz | 0 | - | 4.98 | 243,956 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,332 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,216 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,264 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,528 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Famous People from South America | 0 | - | 4.15 | 21,767 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,325 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,848 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,813 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,140 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,736 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,423 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,829 |
| States of Mexico | 0 | - | 4.95 | 173,000 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,757 |
| States of Brazil | 0 | - | 4.98 | 86,177 |
| Central American Countries | 0 | - | 4.98 | 154,903 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,541 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,990 |
| History of Mexico | 0 | - | 4.58 | 15,216 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,977 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,559 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,830 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,761 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,024 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,015 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,602 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,722 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,316 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,255 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,335 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,739 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,906 |
| Australian Capitals | 0 | - | 4.92 | 62,583 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,572 |
| Famous Caribbean People | 0 | - | 4.37 | 12,559 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,913 |
| Territories of the United States | 0 | - | 4.79 | 52,096 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,341 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,423 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,672 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,365 |
| New York City Geography | 0 | - | 4.42 | 32,871 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,158 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,509 |
| Official European Union Languages | 0 | - | 4.97 | 236,328 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,591 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,926 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,566 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,370 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,269 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,251 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,796 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,929 |
| Asia Map Quiz | 0 | - | 4.99 | 905,620 |
| Countries of Africa | 0 | - | 5.00 | 2,504,021 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,697 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,767 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| Australia Map Quiz | 0 | - | 4.94 | 342,206 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,189 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,752 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,602 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,169 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,449 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,070 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,057 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,624 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,508 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,766 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,264 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,745 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,385 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,830 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,189 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,380 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,884 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,250 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,123 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,779 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,509 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,174 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,702 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,046 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,479 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,321 |
| The Only European Country ... | 0 | - | 4.91 | 213,454 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,301 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,279 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,481 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,167 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,124 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,458 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,452 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,141 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,412 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,895 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,226 |
| African Island Countries | 0 | - | 4.96 | 100,641 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,432 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,579 |
| Australian States and Territories | 0 | - | 4.95 | 140,543 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australia True or False | 0 | - | 4.87 | 56,457 |
| Flags of North and South America | 0 | - | 4.99 | 365,329 |
| South American Physical Geography | 0 | - | 4.58 | 18,260 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,592 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,974 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,944 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,002 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,063 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,841 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,490 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,181 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,013 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,768 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,537 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,489 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,128 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,055 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,002 |
| Counties of England | 0 | - | 4.97 | 788,215 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,040 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,396 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,665 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,312 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,125 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,574 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,347 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,585 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,004 |
| Countries of the Middle East | 0 | - | 4.96 | 198,682 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,214 |
| States of India | 0 | - | 4.94 | 189,653 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,090 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,192 |
| The Only African Country ... | 0 | - | 4.99 | 128,253 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,730 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,937 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,176 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,001 |
| Flags of Oceania | 0 | - | 5.00 | 254,555 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,299 |
| Australia Country Quiz | 0 | - | 4.43 | 69,231 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,008 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| The Only American Country ... | 0 | - | 4.92 | 120,647 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,245 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,954 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,462 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,027 |
| Which Island in the United States? | 0 | - | 4.29 | 29,119 |
| American Foods | 0 | - | 3.66 | 39,269 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,106 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,648 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,171 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,788 |
| Old West History | 0 | - | 4.32 | 15,211 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,486 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,838 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,633 |
| US States Quiz | 0 | - | 5.00 | 16,676,865 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,560 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,564 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,334 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,128 |
| US States with the Most Executions | 0 | - | 4.51 | 26,345 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,902 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,559 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,049 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,644 |
