| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,641 |
| North America Map Quiz | 0 | - | 4.98 | 246,548 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,542 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,863 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,449 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,298 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,168 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,106 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,447 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,401 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,515 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,649 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,697 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,429 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,731 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,330 |
| States of Mexico | 0 | - | 4.95 | 174,680 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,537 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,376 |
| States of Brazil | 0 | - | 4.97 | 87,155 |
| North American Physical Geography | 0 | - | 4.35 | 30,385 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,202 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,569 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,891 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,143 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,766 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,391 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,012 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,134 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,154 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,323 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,820 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,617 |
| Which African Country? | 0 | - | 4.58 | 36,300 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,561 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,850 |
| Official European Union Languages | 0 | - | 4.97 | 237,657 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,311 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,557 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,223 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,854 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,179 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,895 |
| Asia Map Quiz | 0 | - | 4.99 | 910,917 |
| Which Asian Country? | 0 | - | 4.64 | 57,484 |
| Countries of Africa | 0 | - | 5.00 | 2,521,368 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,256 |
| African East Coast | 0 | - | 4.96 | 95,519 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,357 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,197 |
| Australia Map Quiz | 0 | - | 4.94 | 343,260 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,224 |
| New World Crops | 0 | - | 4.37 | 30,603 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,672 |
| History of Mexico | 0 | - | 4.58 | 15,261 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,258 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,519 |
| Word Chain - South America | 0 | - | 4.51 | 23,833 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,419 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,081 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,466 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,931 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,222 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,746 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,309 |
| The Only European Country ... | 0 | - | 4.91 | 215,135 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,319 |
| Austria... or Australia? | 0 | - | 4.68 | 104,101 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,667 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,187 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,108 |
| China Multiple Choice | 0 | - | 4.50 | 37,217 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,648 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,859 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,221 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,893 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,680 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,836 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,749 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,209 |
| African Island Countries | 0 | - | 4.96 | 101,156 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,620 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,979 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,429 |
| Australian States and Territories | 0 | - | 4.96 | 141,359 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,138 |
| Australia True or False | 0 | - | 4.87 | 56,670 |
| Flags of North and South America | 0 | - | 4.99 | 370,140 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,814 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,532 |
| South American Physical Geography | 0 | - | 4.58 | 18,308 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,258 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,686 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,846 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,819 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,683 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,579 |
| Celtic Nations | 0 | - | 4.69 | 46,872 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,478 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,152 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,698 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,426 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,758 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,099 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,301 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,460 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,341 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,738 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,522 |
| Slavic Countries | 0 | - | 4.96 | 111,254 |
| France True or False? | 0 | - | 4.43 | 39,861 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,741 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,539 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,723 |
| Counties of England | 0 | - | 4.97 | 792,551 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,895 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,487 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,088 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,817 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,231 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,728 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,584 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,306 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,972 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,026 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,587 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,520 |
| Countries of the Middle East | 0 | - | 4.96 | 199,848 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,503 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,360 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,511 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,309 |
| States of India | 0 | - | 4.94 | 191,721 |
| States of India Map Quiz | 0 | - | 4.83 | 26,227 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,975 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,536 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,388 |
| African Great Lakes | 0 | - | 4.82 | 65,697 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,203 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,462 |
| The Only African Country ... | 0 | - | 4.99 | 128,699 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,173 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,765 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,406 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,738 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,718 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,743 |
| Name a Valid African Country | 0 | - | 4.98 | 153,419 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,645 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,920 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,240 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,189 |
| Flags of Oceania | 0 | - | 5.00 | 256,974 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,123 |
| Palau Country Quiz | 0 | - | 4.90 | 22,924 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,849 |
| Australia Country Quiz | 0 | - | 4.43 | 69,433 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,383 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,767 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,548 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,296 |
| Regions of New Zealand | 0 | - | 4.85 | 28,401 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,367 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,442 |
| The Only American Country ... | 0 | - | 4.92 | 121,167 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,723 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,458 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,131 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,993 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,921 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,188 |
| Famous People from South America | 0 | - | 4.15 | 21,871 |
| South America A-Z | 0 | - | 4.13 | 10,873 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,654 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,741 |
| Central American Countries | 0 | - | 4.98 | 155,516 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,860 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,639 |
| Famous Caribbean People | 0 | - | 4.37 | 12,592 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,985 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,384 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,501 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,206 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,574 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,822 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,052 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,163 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,752 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,260 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,680 |
| California Multiple Choice | 0 | - | 4.40 | 28,068 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,171 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,457 |
