| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,626 |
| Australia True or False | 0 | - | 4.87 | 56,902 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,379 |
| Australia Country Quiz | 0 | - | 4.43 | 69,628 |
| Regions of New Zealand | 0 | - | 4.85 | 28,543 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,953 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,374 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,376 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,217 |
| Official European Union Languages | 0 | - | 4.97 | 238,664 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,961 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,295 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,483 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,996 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,043 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,508 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,834 |
| Asia Map Quiz | 0 | - | 4.99 | 917,755 |
| Word Chain - Australia | 0 | - | 4.38 | 38,154 |
| Countries of Africa | 0 | - | 5.00 | 2,540,361 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,933 |
| African East Coast | 0 | - | 4.96 | 96,141 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,002 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,804 |
| Australia Map Quiz | 0 | - | 4.95 | 344,816 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,487 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,692 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,252 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,688 |
| Celtic Nations | 0 | - | 4.69 | 46,965 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,028 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,421 |
| The Only European Country ... | 0 | - | 4.91 | 216,964 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,328 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,866 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,083 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,842 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,017 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,136 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,661 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,329 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,336 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,651 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,197 |
| African Island Countries | 0 | - | 4.96 | 101,720 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,572 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,689 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,058 |
| Australian States and Territories | 0 | - | 4.96 | 142,103 |
| Famous Australians by Description | 0 | - | 4.23 | 27,966 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,320 |
| Australian Slang | 0 | - | 4.24 | 28,638 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,660 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,295 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,923 |
| North America Map Quiz | 0 | - | 4.98 | 248,859 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,762 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,853 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,221 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,912 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,407 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,762 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,289 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,963 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,244 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,436 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,825 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,265 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,393 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,394 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,289 |
| Slavic Countries | 0 | - | 4.96 | 111,753 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,390 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,100 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,303 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,839 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,231 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,073 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,012 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,592 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,529 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,536 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,013 |
| Countries of the Middle East | 0 | - | 4.96 | 201,336 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,552 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,083 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,694 |
| Flags of North and South America | 0 | - | 4.99 | 373,611 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,537 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,332 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,016 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,893 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,876 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,498 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,523 |
| Counties of England | 0 | - | 4.97 | 797,745 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,375 |
| States of India | 0 | - | 4.95 | 193,681 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,360 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,821 |
| The Only African Country ... | 0 | - | 4.99 | 129,185 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,153 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,931 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,480 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,271 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,916 |
| Flags of Oceania | 0 | - | 5.00 | 259,815 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,535 |
| The Only American Country ... | 0 | - | 4.92 | 121,699 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,188 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,609 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,595 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,059 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,745 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,265 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,529 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,572 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,533 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,206 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,983 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,138 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,937 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,670 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,477 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,223 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,860 |
| Monarchies of Europe | 0 | - | 4.90 | 98,222 |
| European Countries with One Border | 0 | - | 4.97 | 182,919 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,703 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,538 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,591 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,967 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,582 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,957 |
| States of Germany | 0 | - | 4.95 | 152,819 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,146 |
| Regions of Italy | 0 | - | 4.92 | 76,027 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,278 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,107 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,285 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,807 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,060 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,840 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,719 |
| Champions League Winners | 0 | - | 4.92 | 1,007,983 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,556 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,096 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,396 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,039 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,292 |
| Monarchies of Asia | 0 | - | 4.97 | 71,133 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,939 |
| Provinces of Turkey | 0 | - | 4.95 | 204,401 |
| Provinces of China | 0 | - | 4.97 | 204,934 |
| Japanese Prefectures | 0 | - | 4.98 | 137,239 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,905 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,956 |
| States of India Map Quiz | 0 | - | 4.83 | 26,558 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,279 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,762 |
| African Great Lakes | 0 | - | 4.82 | 66,317 |
| Word Chain - Africa | 0 | - | 4.47 | 31,633 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,672 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,679 |
| Name a Valid African Country | 0 | - | 4.98 | 154,191 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,821 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,097 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,536 |
| Palau Country Quiz | 0 | - | 4.90 | 23,033 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,615 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,169 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,026 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,457 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,834 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,531 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,272 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,267 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,513 |
| States of Mexico | 0 | - | 4.96 | 176,357 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,841 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,992 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,019 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,170 |
| States of Brazil | 0 | - | 4.97 | 88,293 |
| Central American Countries | 0 | - | 4.98 | 156,575 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,689 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,005 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,741 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,630 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,354 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,905 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,288 |
| US States Quiz | 0 | - | 5.00 | 16,892,631 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,244 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,283 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,670 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,086 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,620 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,206 |
