| Australian Capitals | 0 | - | 4.92 | 62,729 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,588 |
| Australia True or False | 0 | - | 4.87 | 56,873 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,356 |
| Australia Country Quiz | 0 | - | 4.43 | 69,602 |
| Regions of New Zealand | 0 | - | 4.85 | 28,528 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,680 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,265 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,227 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,162 |
| Official European Union Languages | 0 | - | 4.97 | 238,570 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,901 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,172 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,423 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,593 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,026 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,316 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,450 |
| Asia Map Quiz | 0 | - | 4.99 | 917,179 |
| Word Chain - Australia | 0 | - | 4.38 | 38,145 |
| Countries of Africa | 0 | - | 5.00 | 2,538,173 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,868 |
| African East Coast | 0 | - | 4.96 | 96,100 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,920 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,736 |
| Australia Map Quiz | 0 | - | 4.95 | 344,688 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,348 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,663 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,118 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,559 |
| Celtic Nations | 0 | - | 4.69 | 46,954 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,318 |
| The Only European Country ... | 0 | - | 4.91 | 216,749 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,202 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,016 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,209 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,042 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,617 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,285 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,295 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,567 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,117 |
| African Island Countries | 0 | - | 4.96 | 101,663 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,470 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,685 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,057 |
| Australian States and Territories | 0 | - | 4.96 | 142,026 |
| Famous Australians by Description | 0 | - | 4.23 | 27,948 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,297 |
| Australian Slang | 0 | - | 4.24 | 28,629 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,253 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,821 |
| North America Map Quiz | 0 | - | 4.98 | 248,634 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,745 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,996 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,186 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,893 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,705 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,241 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,811 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,189 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,394 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,633 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,027 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,286 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,335 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,235 |
| Slavic Countries | 0 | - | 4.96 | 111,701 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,271 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,783 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,184 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,026 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,941 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,542 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,465 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,427 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,969 |
| Countries of the Middle East | 0 | - | 4.96 | 201,232 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,531 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,606 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,655 |
| Flags of North and South America | 0 | - | 4.99 | 373,260 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,089 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,644 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,719 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,601 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,751 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,043 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| Counties of England | 0 | - | 4.97 | 797,221 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,833 |
| States of India | 0 | - | 4.95 | 193,479 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,343 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,792 |
| The Only African Country ... | 0 | - | 4.99 | 129,126 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,139 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,890 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,383 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,231 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,545 |
| Flags of Oceania | 0 | - | 5.00 | 259,572 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,451 |
| The Only American Country ... | 0 | - | 4.92 | 121,641 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,143 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,591 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,439 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,013 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,693 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,210 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,498 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,503 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,489 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,103 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,955 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,103 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,888 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,590 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,383 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,167 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,790 |
| Monarchies of Europe | 0 | - | 4.90 | 98,179 |
| European Countries with One Border | 0 | - | 4.97 | 182,823 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,632 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,433 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,409 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,932 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,474 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,871 |
| States of Germany | 0 | - | 4.96 | 152,686 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,073 |
| Regions of Italy | 0 | - | 4.92 | 75,933 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,209 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,016 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,239 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,650 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,025 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,709 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,708 |
| Champions League Winners | 0 | - | 4.92 | 1,007,150 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,531 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,040 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,330 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,887 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,240 |
| Monarchies of Asia | 0 | - | 4.97 | 71,107 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,906 |
| Provinces of Turkey | 0 | - | 4.95 | 204,293 |
| Provinces of China | 0 | - | 4.97 | 204,663 |
| Japanese Prefectures | 0 | - | 4.98 | 137,055 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,864 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,886 |
| States of India Map Quiz | 0 | - | 4.83 | 26,534 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,253 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,740 |
| African Great Lakes | 0 | - | 4.82 | 66,285 |
| Word Chain - Africa | 0 | - | 4.47 | 31,623 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,631 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,629 |
| Name a Valid African Country | 0 | - | 4.98 | 154,125 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,813 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,081 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,512 |
| Palau Country Quiz | 0 | - | 4.90 | 23,020 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,592 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,124 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,973 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,452 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,827 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,525 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,266 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,211 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,482 |
| States of Mexico | 0 | - | 4.96 | 176,197 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,779 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,946 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,963 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,096 |
| States of Brazil | 0 | - | 4.97 | 88,175 |
| Central American Countries | 0 | - | 4.98 | 156,503 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,512 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,970 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,681 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,548 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,160 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,888 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,253 |
| US States Quiz | 0 | - | 5.00 | 16,881,429 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,131 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,270 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,600 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,056 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,607 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,153 |
