| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,884 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,118 |
| Word Chain - South America | 0 | - | 4.51 | 23,896 |
| United States Map Quiz | 0 | - | 4.98 | 4,157,229 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,588 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,193 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,710 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,535 |
| North America Map Quiz | 0 | - | 4.98 | 248,319 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,709 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,258 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,073 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,119 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,782 |
| Famous People from South America | 0 | - | 4.15 | 21,957 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,560 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,989 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,884 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,636 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,047 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,451 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,391 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,431 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,955 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,909 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,433 |
| States of Mexico | 0 | - | 4.95 | 175,903 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,851 |
| States of Brazil | 0 | - | 4.97 | 87,926 |
| Central American Countries | 0 | - | 4.98 | 156,402 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,318 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,241 |
| History of Mexico | 0 | - | 4.58 | 15,305 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,323 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,722 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,480 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,910 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,675 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,152 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,481 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,190 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,480 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,111 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,814 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,524 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,508 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,982 |
| Australian Capitals | 0 | - | 4.92 | 62,717 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,687 |
| Famous Caribbean People | 0 | - | 4.37 | 12,615 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,027 |
| Territories of the United States | 0 | - | 4.79 | 52,376 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,651 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,412 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,170 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,957 |
| New York City Geography | 0 | - | 4.42 | 33,089 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,580 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,097 |
| Official European Union Languages | 0 | - | 4.97 | 238,426 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,793 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,113 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,218 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,846 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,780 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,521 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,048 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,971 |
| Asia Map Quiz | 0 | - | 4.99 | 916,246 |
| Countries of Africa | 0 | - | 5.00 | 2,535,139 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,784 |
| African East Coast | 0 | - | 4.96 | 96,000 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,819 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,653 |
| Australia Map Quiz | 0 | - | 4.95 | 344,498 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,265 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,152 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,744 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,335 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,575 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,455 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,293 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,707 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,628 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,001 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,634 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,024 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,644 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,170 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,366 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,664 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,856 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,813 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,399 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,520 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,958 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,888 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,323 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,141 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,635 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,912 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,336 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,966 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,142 |
| The Only European Country ... | 0 | - | 4.91 | 216,475 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,042 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,821 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,901 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,682 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,952 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,785 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,900 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,544 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,185 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,227 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,438 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,935 |
| African Island Countries | 0 | - | 4.96 | 101,581 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,327 |
| Australian States and Territories | 0 | - | 4.96 | 141,907 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,278 |
| Australia True or False | 0 | - | 4.87 | 56,837 |
| Flags of North and South America | 0 | - | 4.99 | 372,816 |
| South American Physical Geography | 0 | - | 4.58 | 18,340 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,704 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,106 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,121 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,154 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,210 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,861 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,381 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,179 |
| Celtic Nations | 0 | - | 4.69 | 46,931 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,132 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,158 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,572 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,107 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,342 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,349 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,505 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,085 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,211 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,148 |
| Slavic Countries | 0 | - | 4.96 | 111,612 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,336 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,976 |
| Counties of England | 0 | - | 4.97 | 796,264 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,638 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,087 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,194 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,690 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,112 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,952 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,829 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,458 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,389 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,260 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,868 |
| Countries of the Middle East | 0 | - | 4.96 | 201,067 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,502 |
| States of India | 0 | - | 4.95 | 193,076 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,610 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,323 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,758 |
| The Only African Country ... | 0 | - | 4.99 | 129,068 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,111 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,818 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,084 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,160 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 56,751 |
| Flags of Oceania | 0 | - | 5.00 | 258,842 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,311 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,370 |
| Australia Country Quiz | 0 | - | 4.43 | 69,573 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,548 |
| Regions of New Zealand | 0 | - | 4.85 | 28,490 |
| The Only American Country ... | 0 | - | 4.92 | 121,557 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,072 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,017 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,576 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,118 |
| Which Island in the United States? | 0 | - | 4.29 | 29,496 |
| American Foods | 0 | - | 3.66 | 39,374 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,253 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,749 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,320 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,889 |
| Old West History | 0 | - | 4.34 | 15,272 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,518 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,925 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,727 |
| US States Quiz | 0 | - | 5.00 | 16,864,445 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,660 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,686 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,555 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,389 |
| US States with the Most Executions | 0 | - | 4.51 | 26,393 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,056 |
