| Australian Capitals | 0 | - | 4.92 | 62,595 |
| Australia True or False | 0 | - | 4.87 | 56,520 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,933 |
| Australia Country Quiz | 0 | - | 4.43 | 69,297 |
| Regions of New Zealand | 0 | - | 4.85 | 28,174 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,068 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,476 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,603 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,654 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,156 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,601 |
| Official European Union Languages | 0 | - | 4.97 | 236,887 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,724 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,574 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,851 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,571 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,724 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,344 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,140 |
| Asia Map Quiz | 0 | - | 4.99 | 907,387 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,881 |
| Word Chain - Australia | 0 | - | 4.37 | 38,016 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Countries of Africa | 0 | - | 5.00 | 2,508,963 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,842 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,824 |
| Australia Map Quiz | 0 | - | 4.94 | 342,566 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,219 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,081 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,401 |
| Celtic Nations | 0 | - | 4.69 | 46,819 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,555 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,643 |
| The Only European Country ... | 0 | - | 4.91 | 213,954 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,621 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,575 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,516 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,340 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,446 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,669 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,606 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,315 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,519 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,180 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,513 |
| African Island Countries | 0 | - | 4.96 | 100,821 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,725 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,634 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,982 |
| Australian States and Territories | 0 | - | 4.96 | 140,936 |
| Famous Australians by Description | 0 | - | 4.23 | 27,629 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,027 |
| Australian Slang | 0 | - | 4.25 | 28,482 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,194 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,278 |
| North America Map Quiz | 0 | - | 4.98 | 244,592 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,383 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,410 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,639 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,511 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,497 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,246 |
| Sahel Countries on a Map | 0 | - | 4.99 | 20,990 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,736 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,330 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,429 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,496 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,878 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,916 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,026 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,543 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,267 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,300 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,229 |
| Slavic Countries | 0 | - | 4.96 | 110,889 |
| All Slavic Languages With a Map | 0 | - | 4.98 | 68,537 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,376 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,810 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,451 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,288 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,771 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,529 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,720 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,826 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,194 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 67,472 |
| Countries of the Middle East | 0 | - | 4.96 | 199,014 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,687 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,175 |
| Flags of North and South America | 0 | - | 4.99 | 367,584 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,474 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,207 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,070 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,179 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,417 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,153 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,163 |
| Counties of England | 0 | - | 4.97 | 789,510 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,161 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,879 |
| States of India | 0 | - | 4.94 | 190,326 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,011 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,263 |
| The Only African Country ... | 0 | - | 4.99 | 128,393 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,788 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,105 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,393 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,136 |
| Flags of Oceania | 0 | - | 5.00 | 255,371 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,451 |
| The Only American Country ... | 0 | - | 4.92 | 120,790 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,372 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,360 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,895 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,018 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,921 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,029 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,978 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,380 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,896 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,098 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,518 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,387 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,354 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,064 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,436 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,923 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,258 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,855 |
| Monarchies of Europe | 0 | - | 4.90 | 97,354 |
| European Countries with One Border | 0 | - | 4.97 | 181,675 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,575 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,294 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,001 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,461 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,467 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,155 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,051 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,841 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,096 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,234 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,235 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,758 |
| States of Germany | 0 | - | 4.96 | 150,169 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,058 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| Regions of Italy | 0 | - | 4.92 | 74,772 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,852 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,415 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,228 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,253 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,023 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,152 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,508 |
| Champions League Winners | 0 | - | 4.92 | 996,803 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,011 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,081 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,406 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,858 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,452 |
| Monarchies of Asia | 0 | - | 4.97 | 70,615 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,443 |
| Provinces of Turkey | 0 | - | 4.95 | 201,241 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,033 |
| Provinces of China | 0 | - | 4.97 | 200,245 |
| Japanese Prefectures | 0 | - | 4.98 | 134,681 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,243 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,944 |
| States of India Map Quiz | 0 | - | 4.82 | 26,056 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,793 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,351 |
| African Great Lakes | 0 | - | 4.82 | 65,215 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,885 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,393 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,132 |
| Name a Valid African Country | 0 | - | 4.98 | 152,982 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,504 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,828 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,062 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,069 |
| Palau Country Quiz | 0 | - | 4.89 | 22,850 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,232 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,529 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,222 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,301 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,358 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,022 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,116 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,937 |
| States of Mexico | 0 | - | 4.95 | 173,424 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,840 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,188 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,011 |