| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,645 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,723 |
| Word Chain - South America | 0 | - | 4.51 | 23,852 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,110 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,447 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,627 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,045 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,573 |
| North America Map Quiz | 0 | - | 4.98 | 247,037 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,590 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,391 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,370 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,943 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,762 |
| Famous People from South America | 0 | - | 4.15 | 21,895 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,477 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,122 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,531 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,404 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,614 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,276 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,963 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,241 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,557 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,742 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,208 |
| States of Mexico | 0 | - | 4.95 | 175,080 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,472 |
| States of Brazil | 0 | - | 4.97 | 87,308 |
| Central American Countries | 0 | - | 4.98 | 155,667 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,226 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,165 |
| History of Mexico | 0 | - | 4.58 | 15,279 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,142 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,667 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,271 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,648 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,433 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,939 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,364 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,030 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,269 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,595 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,577 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,467 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,239 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,383 |
| Australian Capitals | 0 | - | 4.92 | 62,673 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,651 |
| Famous Caribbean People | 0 | - | 4.37 | 12,596 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,998 |
| Territories of the United States | 0 | - | 4.79 | 52,287 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,523 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,095 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,003 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,764 |
| New York City Geography | 0 | - | 4.42 | 33,036 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,446 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,905 |
| Official European Union Languages | 0 | - | 4.97 | 237,845 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,430 |
| Europe Map Quiz | 0 | - | 5.00 | 4,749,509 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,271 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,260 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,602 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,384 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,903 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,870 |
| Asia Map Quiz | 0 | - | 4.99 | 912,110 |
| Countries of Africa | 0 | - | 5.00 | 2,524,814 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,393 |
| African East Coast | 0 | - | 4.96 | 95,637 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,467 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,302 |
| Australia Map Quiz | 0 | - | 4.94 | 343,504 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,234 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,025 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,687 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,278 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,537 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,389 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,221 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,683 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,584 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,925 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,505 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,928 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,536 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,062 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,307 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,586 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,660 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,641 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,310 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,270 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,834 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,590 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,267 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,349 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,513 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,172 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,551 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,798 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,508 |
| The Only European Country ... | 0 | - | 4.91 | 215,496 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,498 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,699 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,351 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,879 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,757 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,771 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,391 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,008 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,811 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,923 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,895 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,374 |
| African Island Countries | 0 | - | 4.96 | 101,264 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,795 |
| Australian States and Territories | 0 | - | 4.96 | 141,480 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,179 |
| Australia True or False | 0 | - | 4.87 | 56,711 |
| Flags of North and South America | 0 | - | 4.99 | 370,916 |
| South American Physical Geography | 0 | - | 4.58 | 18,317 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,668 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,060 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,058 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,097 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,167 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,727 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,336 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,845 |
| Celtic Nations | 0 | - | 4.69 | 46,882 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,497 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,260 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,808 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,716 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,857 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,157 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,589 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,867 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,516 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,840 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,590 |
| Slavic Countries | 0 | - | 4.96 | 111,344 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,230 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,810 |
| Counties of England | 0 | - | 4.97 | 793,434 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,179 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,988 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,938 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,340 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,822 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,666 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,452 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,098 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,119 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,747 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,619 |
| Countries of the Middle East | 0 | - | 4.96 | 200,257 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,387 |
| States of India | 0 | - | 4.94 | 192,049 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,442 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,230 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,539 |
| The Only African Country ... | 0 | - | 4.99 | 128,787 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,973 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,513 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,974 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,813 |
| Flags of Oceania | 0 | - | 5.00 | 257,462 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,190 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,003 |
| Australia Country Quiz | 0 | - | 4.43 | 69,473 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,360 |
| Regions of New Zealand | 0 | - | 4.85 | 28,425 |
| The Only American Country ... | 0 | - | 4.92 | 121,263 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,810 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,997 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,572 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,089 |
| Which Island in the United States? | 0 | - | 4.29 | 29,362 |
| American Foods | 0 | - | 3.66 | 39,339 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,123 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,199 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,707 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,265 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,851 |
| Old West History | 0 | - | 4.33 | 15,247 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,512 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,898 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,695 |
| US States Quiz | 0 | - | 5.00 | 16,800,305 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,621 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,652 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,492 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,291 |
| US States with the Most Executions | 0 | - | 4.51 | 26,378 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,004 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,849 |
