| Australian Capitals | 0 | - | 4.92 | 62,739 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,656 |
| Australia True or False | 0 | - | 4.87 | 56,925 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,390 |
| Australia Country Quiz | 0 | - | 4.43 | 69,651 |
| Regions of New Zealand | 0 | - | 4.84 | 28,555 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,209 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,481 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,462 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,268 |
| Official European Union Languages | 0 | - | 4.97 | 238,793 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,044 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,269 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,561 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,379 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,064 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,730 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,198 |
| Asia Map Quiz | 0 | - | 4.99 | 918,570 |
| Word Chain - Australia | 0 | - | 4.38 | 38,161 |
| Countries of Africa | 0 | - | 5.00 | 2,542,307 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,010 |
| African East Coast | 0 | - | 4.96 | 96,196 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,057 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,835 |
| Australia Map Quiz | 0 | - | 4.95 | 344,927 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,634 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,716 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,390 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,845 |
| Celtic Nations | 0 | - | 4.69 | 46,974 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,064 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,546 |
| The Only European Country ... | 0 | - | 4.91 | 217,167 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,440 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,886 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,163 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,226 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,052 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,228 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,731 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,400 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,381 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,735 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,297 |
| African Island Countries | 0 | - | 4.96 | 101,791 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,690 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,695 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,061 |
| Australian States and Territories | 0 | - | 4.96 | 142,151 |
| Famous Australians by Description | 0 | - | 4.23 | 27,980 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,335 |
| Australian Slang | 0 | - | 4.24 | 28,645 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,688 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,340 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,021 |
| North America Map Quiz | 0 | - | 4.98 | 249,067 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,781 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,141 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,270 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,937 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,412 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,835 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,356 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,151 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,305 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,486 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,994 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,546 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,506 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,474 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,335 |
| Slavic Countries | 0 | - | 4.96 | 111,813 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,423 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,142 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,342 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,926 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,308 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,159 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,125 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,694 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,579 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,628 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,053 |
| Countries of the Middle East | 0 | - | 4.96 | 201,513 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,571 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,578 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,722 |
| Flags of North and South America | 0 | - | 4.99 | 373,898 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,078 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,969 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,317 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,023 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,144 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,547 |
| Counties of England | 0 | - | 4.97 | 798,213 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,235 |
| States of India | 0 | - | 4.95 | 193,877 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,373 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,848 |
| The Only African Country ... | 0 | - | 4.99 | 129,232 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,175 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,984 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,596 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,327 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,144 |
| Flags of Oceania | 0 | - | 5.00 | 260,082 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,581 |
| The Only American Country ... | 0 | - | 4.92 | 121,755 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,234 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,624 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,729 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,124 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,785 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,326 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,567 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,655 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,563 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,284 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,009 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,172 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,996 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,745 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,585 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,298 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,928 |
| Monarchies of Europe | 0 | - | 4.90 | 98,275 |
| European Countries with One Border | 0 | - | 4.97 | 183,017 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,785 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,626 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,778 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,026 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,698 |
| States of Germany Map Quiz | 0 | - | 4.91 | 133,046 |
| States of Germany | 0 | - | 4.95 | 152,968 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,205 |
| Regions of Italy | 0 | - | 4.92 | 76,121 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,350 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,221 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,338 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,960 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,096 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,027 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,730 |
| Champions League Winners | 0 | - | 4.91 | 1,008,871 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,597 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,169 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,466 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,270 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,343 |
| Monarchies of Asia | 0 | - | 4.97 | 71,170 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,974 |
| Provinces of Turkey | 0 | - | 4.95 | 204,500 |
| Provinces of China | 0 | - | 4.97 | 205,307 |
| Japanese Prefectures | 0 | - | 4.98 | 137,361 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,964 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,014 |
| States of India Map Quiz | 0 | - | 4.83 | 26,578 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,320 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,786 |
| African Great Lakes | 0 | - | 4.82 | 66,392 |
| Word Chain - Africa | 0 | - | 4.47 | 31,638 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,716 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,737 |
| Name a Valid African Country | 0 | - | 4.98 | 154,261 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,842 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,120 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,566 |
| Palau Country Quiz | 0 | - | 4.90 | 23,048 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,640 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,220 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,062 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,471 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,850 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,544 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,286 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,313 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,539 |
| States of Mexico | 0 | - | 4.96 | 176,553 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,914 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,024 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,102 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,206 |
| States of Brazil | 0 | - | 4.97 | 88,422 |
| Central American Countries | 0 | - | 4.98 | 156,677 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,900 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,052 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,794 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,735 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,572 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,920 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,325 |
| US States Quiz | 0 | - | 5.00 | 16,903,890 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,368 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,291 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,734 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,122 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,628 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,247 |
