| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,477 |
| North America Map Quiz | 0 | - | 4.98 | 201,840 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,829 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,044 |
| Most Spoken Languages in Canada | 0 | - | 4.83 | 47,606 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,808 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,221 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,509 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 164,496 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 31,777 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,583 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,486 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 25,491 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,247 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 86,962 |
| U.S. Highway Signs By State | 0 | - | 4.43 | 14,248 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,768 |
| Native American Tribes in the US | 0 | - | 4.72 | 23,124 |
| States of Mexico | 0 | - | 4.94 | 143,523 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 95,129 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 40,892 |
| States of Brazil | 0 | - | 4.97 | 69,966 |
| North American Physical Geography | 0 | - | 4.33 | 29,524 |
| Most Populous Native American Tribes | 0 | - | 4.32 | 11,785 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,394 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 37,793 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 488,858 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,881 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,336 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,154 |
| The U.S. Pledge of Allegiance | 0 | - | 3.96 | 17,692 |
| Europe Map Quiz | 0 | - | 5.00 | 4,327,472 |
| Which Country of the United Kingdom? | 0 | - | 4.60 | 35,591 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,544 |
| Asia Map Quiz | 0 | - | 4.99 | 794,342 |
| Which Asian Country? | 0 | - | 4.65 | 54,997 |
| Africa Map Quiz | 0 | - | 5.00 | 1,952,109 |
| Which African Country? | 0 | - | 4.57 | 34,634 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,772 |
| Australian Capitals | 0 | - | 4.92 | 61,009 |
| Islands of the Galápagos | 0 | - | 4.52 | 4,463 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,460 |
| Official European Union Languages | 0 | - | 4.98 | 202,643 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,364 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 389,908 |
| Which European Country - Multiple Choice | 0 | - | 4.52 | 80,578 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,897 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,067 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,022 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,288,480 |
| China Multiple Choice | 0 | - | 4.52 | 35,453 |
| Countries of Africa | 0 | - | 5.00 | 2,195,741 |
| African East Coast | 0 | - | 4.97 | 85,093 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,663 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,035 |
| Australia Map Quiz | 0 | - | 4.95 | 321,478 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,457 |
| New World Crops | 0 | - | 4.33 | 22,886 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,806 |
| History of Mexico | 0 | - | 4.55 | 14,000 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 37,199 |
| Word Chain - South America | 0 | - | 4.49 | 22,207 |
| United States Map Quiz | 0 | - | 4.98 | 3,921,463 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,428 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,055 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,840 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,121 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,884 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,192 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,219 |
| The Only European Country ... | 0 | - | 4.93 | 181,227 |
| Austria... or Australia? | 0 | - | 4.79 | 98,604 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,058 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,974 |
| Counties of England | 0 | - | 4.97 | 698,241 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,845 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,298 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,041 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 141,989 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,691 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,627 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,074 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,595 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,465 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 211,924 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,114 |
| Countries of the Middle East | 0 | - | 4.96 | 175,628 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,309 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,260 |
| Flags of Africa Quiz | 0 | - | 4.99 | 392,133 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,614 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,806 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,895 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,769 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,745 |
| Top African Languages on a Map | 0 | - | 4.92 | 54,679 |
| African Island Countries | 0 | - | 4.96 | 90,432 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 224,875 |
| South Africa Multiple Choice | 0 | - | 4.55 | 26,189 |
| Australian States and Territories | 0 | - | 4.96 | 129,903 |
| Australia True or False | 0 | - | 4.90 | 51,871 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 108,395 |
| South America Map Quiz | 0 | - | 5.00 | 1,430,594 |
| South American Geography Quiz #1 | 0 | - | 4.72 | 30,831 |
| South American Physical Geography | 0 | - | 4.56 | 17,353 |
| Countries of North America Quiz | 0 | - | 5.00 | 889,942 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 588,528 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,744 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,057,113 |
| Celtic Nations | 0 | - | 4.76 | 44,925 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,198,742 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,174 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,552 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 188,757 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 77,728 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,301 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,442 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 117,957 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 50,850 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,745 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,460 |
| Slavic Countries | 0 | - | 4.96 | 101,178 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,788 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,906 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,296 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,310 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,126 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,295 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 170,682 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,606 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,914 |
| UK Cities Map Quiz | 0 | - | 4.94 | 436,249 |
| UK Immigration by Country | 0 | - | 4.94 | 126,343 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 120,331 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 84,490 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,661 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 101,384 |
| England or Wales? | 0 | - | 4.93 | 40,652 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 277,279 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,680 |
| Champions League Winners | 0 | - | 4.91 | 875,617 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,087 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,086 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,646 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,968 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,533 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,285 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 85,482 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,378 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 102,703 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,934 |
| Monarchies of Asia | 0 | - | 4.95 | 54,476 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 89,009 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.91 | 94,068 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 83,415 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,155 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,331 |
| Iran... or Iraq? | 0 | - | 4.32 | 31,606 |
| Provinces of Turkey | 0 | - | 4.95 | 179,177 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 71,179 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 92,846 |
| Indonesia Country Quiz | 0 | - | 4.83 | 66,962 |
| Provinces of China | 0 | - | 4.97 | 158,879 |
| China Cities Map Quiz | 0 | - | 4.87 | 89,427 |
| Provinces of China Map Quiz | 0 | - | 4.93 | 84,086 |
| Japanese Prefectures | 0 | - | 4.98 | 108,659 |
| Japan Country Quiz | 0 | - | 4.92 | 120,578 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 94,555 |
| States of India | 0 | - | 4.91 | 157,260 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,889 |
| Nepal Country Quiz | 0 | - | 4.95 | 33,668 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 54,482 |
| African Great Lakes | 0 | - | 4.85 | 54,234 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,359 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,118 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,573 |
| The Only African Country ... | 0 | - | 4.99 | 119,474 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,924 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,004 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,607 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,978 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,086 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 80,511 |
| Name a Valid African Country | 0 | - | 4.98 | 125,617 |
| D.R. Congo Country Quiz | 0 | - | 4.85 | 35,711 |
| Flags of Oceania | 0 | - | 5.00 | 218,373 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,116 |
| Palau Country Quiz | 0 | - | 4.87 | 20,611 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 132,212 |
| Australia Country Quiz | 0 | - | 4.44 | 57,921 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 84,704 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 60,539 |
| Countries Closest to Australia | 0 | - | 4.99 | 146,262 |
| Australia... or New Zealand? | 0 | - | 4.83 | 55,124 |
| Regions of New Zealand | 0 | - | 4.83 | 24,789 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,586 |
| Tonga Country Quiz | 0 | - | 4.81 | 18,432 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,249 |
| The Only American Country ... | 0 | - | 4.94 | 110,643 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,605 |
