| Australian Capitals | 0 | - | 4.92 | 62,885 |
| Australian States and Territories | 0 | - | 4.96 | 143,127 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,559 |
| Australia True or False | 0 | - | 4.87 | 57,242 |
| Austria... or Australia? | 0 | - | 4.67 | 104,875 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,146 |
| Australia Country Quiz | 0 | - | 4.43 | 69,907 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,792 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,232 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,646 |
| Animals of Australia | 0 | - | 4.53 | 42,538 |
| AFL Teams | 0 | - | 4.43 | 41,030 |
| Flags of Oceania | 0 | - | 5.00 | 263,703 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,830 |
| Word Chain - Australia | 0 | - | 4.38 | 38,270 |
| Regions of New Zealand | 0 | - | 4.84 | 28,814 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,181 |
| Palau Country Quiz | 0 | - | 4.89 | 23,193 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,577 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,993 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,657 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,879 |
| Famous Australians by Description | 0 | - | 4.23 | 28,202 |
| Australian Slang | 0 | - | 4.24 | 28,771 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,877 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,699 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,490 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,251 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,422 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,340 |
| Papua New Guinea Country Quiz | 0 | - | 4.63 | 33,021 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,111 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,651 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,591 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,663 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,129 |
| Which Asian Country? | 0 | - | 4.64 | 57,809 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,754 |
| Which African Country? | 0 | - | 4.58 | 36,497 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,156 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,834 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,454 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,170 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,831 |
| Australia Map Quiz | 0 | - | 4.95 | 346,619 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 23,060 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,195 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,492 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,813 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,305 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,480 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,367 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,887 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,691 |
| Official European Union Languages | 0 | - | 4.97 | 240,459 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,878 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,600 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,564 |
| The Only European Country ... | 0 | - | 4.91 | 219,762 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,923 |
| France True or False? | 0 | - | 4.44 | 40,120 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,909 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,120 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,364 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,115 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,719 |
| Asia Map Quiz | 0 | - | 4.99 | 927,210 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,245 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,274 |
| China Multiple Choice | 0 | - | 4.50 | 37,445 |
| Countries of Africa | 0 | - | 5.00 | 2,566,382 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,401 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,317 |
| African East Coast | 0 | - | 4.96 | 96,964 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,865 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,748 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,741 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,852 |
| Flags of North and South America | 0 | - | 4.99 | 378,477 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,100 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,027 |
| The Only American Country ... | 0 | - | 4.92 | 122,402 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,814 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,929 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,991 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,798 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,624 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,977 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,025 |
| North America Map Quiz | 0 | - | 4.98 | 253,006 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,355 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,399 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,991 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,035 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,049 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,110 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,321 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,353 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,813 |
| US States Quiz | 0 | - | 5.00 | 17,031,662 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,844 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,951 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,373 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,642 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,696 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,650 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,458 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,257 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,730 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,850 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,591 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,033 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,430 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,799 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,949 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,964 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,172 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,933 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,336 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,759 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,722 |
| Monarchies of Europe | 0 | - | 4.90 | 99,085 |
| European Countries with One Border | 0 | - | 4.97 | 184,103 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,821 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,298 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,835 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,645 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,248 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,089 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,081 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,786 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,232 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,433 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,956 |
| Slavic Countries | 0 | - | 4.96 | 112,566 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,030 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,625 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,870 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,044 |
| States of Germany | 0 | - | 4.95 | 155,045 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,773 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,856 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,531 |
| Regions of Italy | 0 | - | 4.92 | 77,316 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,962 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,678 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,955 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,963 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,693 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,358 |
| Counties of England | 0 | - | 4.97 | 804,721 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,032 |
| Champions League Winners | 0 | - | 4.92 | 1,018,601 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,414 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,982 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,178 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,793 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,373 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,139 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,095 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,552 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,358 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,952 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,279 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,984 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,969 |
| Monarchies of Asia | 0 | - | 4.97 | 71,646 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,856 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,387 |
| Countries of the Middle East | 0 | - | 4.96 | 203,376 |
| Provinces of Turkey | 0 | - | 4.95 | 206,424 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 62,138 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,830 |
| Provinces of China | 0 | - | 4.97 | 209,150 |
| Japanese Prefectures | 0 | - | 4.98 | 139,527 |
| States of India | 0 | - | 4.94 | 196,714 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,600 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,617 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,638 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,263 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,126 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,773 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,867 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,587 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,056 |
| The Only African Country ... | 0 | - | 4.99 | 129,853 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,480 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,569 |
| African Island Countries | 0 | - | 4.96 | 102,795 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,976 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,029 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,055 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,836 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,955 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,575 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,542 |
