| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,553 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,715 |
| Word Chain - South America | 0 | - | 4.51 | 23,840 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,792 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,410 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,539 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,871 |
| Peru True or False? | 0 | - | 4.58 | 15,218 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,439 |
| North America Map Quiz | 0 | - | 4.98 | 246,676 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,550 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,935 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,922 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,878 |
| Famous People from South America | 0 | - | 4.15 | 21,877 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,791 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,440 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,313 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,519 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,213 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,851 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,176 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,480 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,698 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,454 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,147 |
| States of Mexico | 0 | - | 4.95 | 174,751 |
| History of Mexico | 0 | - | 4.58 | 15,261 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,395 |
| States of Brazil | 0 | - | 4.97 | 87,188 |
| Central American Countries | 0 | - | 4.98 | 155,535 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,932 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,148 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,643 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,213 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,556 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,385 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,877 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,337 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,993 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,210 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,854 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,426 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,248 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,968 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,451 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,119 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,147 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,189 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,641 |
| Famous Caribbean People | 0 | - | 4.37 | 12,592 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,986 |
| Territories of the United States | 0 | - | 4.79 | 52,262 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,495 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,992 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,952 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,711 |
| New York City Geography | 0 | - | 4.42 | 33,024 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,391 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,561 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,920 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,694 |
| Australian Capitals | 0 | - | 4.92 | 62,660 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,551 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,337 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,861 |
| Official European Union Languages | 0 | - | 4.97 | 237,689 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,334 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,604 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,039 |
| Asia Map Quiz | 0 | - | 4.99 | 911,104 |
| Countries of Africa | 0 | - | 5.00 | 2,521,949 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,285 |
| African East Coast | 0 | - | 4.96 | 95,542 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,367 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,216 |
| Australia Map Quiz | 0 | - | 4.94 | 343,315 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,986 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,674 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,267 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,526 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,367 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,208 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,680 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,571 |
| 75 Americans Named John | 0 | - | 4.41 | 23,862 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,895 |
| New York True or False? | 0 | - | 4.53 | 33,746 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,467 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,904 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,515 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,025 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,287 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,559 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,593 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,580 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,273 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,195 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,803 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,361 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,140 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,254 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,124 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,474 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,764 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,986 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,263 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,754 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,347 |
| The Only European Country ... | 0 | - | 4.91 | 215,206 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,355 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,671 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,223 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,220 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,655 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,038 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,914 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,701 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,855 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,783 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,233 |
| African Island Countries | 0 | - | 4.96 | 101,181 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,658 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,989 |
| Australian States and Territories | 0 | - | 4.96 | 141,384 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,148 |
| Australia True or False | 0 | - | 4.87 | 56,681 |
| Flags of North and South America | 0 | - | 4.99 | 370,258 |
| South American Physical Geography | 0 | - | 4.58 | 18,312 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,650 |
| Florida True or False? | 0 | - | 4.48 | 28,599 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,050 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,690 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,039 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,636 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,462 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,270 |
| US States with the Most Executions | 0 | - | 4.51 | 26,368 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,989 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,805 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,084 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,074 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,650 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,732 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,142 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,690 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,838 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,317 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,125 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,956 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,619 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,169 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,719 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,480 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,785 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,112 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,386 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,541 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,372 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 111,017 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,756 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,536 |
| Slavic Countries | 0 | - | 4.96 | 111,273 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,200 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,765 |
| Counties of England | 0 | - | 4.97 | 792,697 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,624 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,259 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,832 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,744 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,594 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,334 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,989 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,035 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,611 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,534 |
| Countries of the Middle East | 0 | - | 4.96 | 199,886 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,363 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,526 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,334 |
| States of India | 0 | - | 4.94 | 191,777 |
| States of India Map Quiz | 0 | - | 4.83 | 26,235 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,981 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,545 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,401 |
| African Great Lakes | 0 | - | 4.82 | 65,714 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,479 |
| The Only African Country ... | 0 | - | 4.99 | 128,710 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,934 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,185 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,784 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,427 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,784 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,733 |
