| Australian Capitals | 0 | - | 4.92 | 62,652 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,278 |
| Australia True or False | 0 | - | 4.87 | 56,662 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,113 |
| Australia Country Quiz | 0 | - | 4.43 | 69,418 |
| Regions of New Zealand | 0 | - | 4.85 | 28,362 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,608 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,318 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,090 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,834 |
| Official European Union Languages | 0 | - | 4.97 | 237,592 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,280 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,350 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,111 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,236 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,851 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,423 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,715 |
| Asia Map Quiz | 0 | - | 4.99 | 910,537 |
| Word Chain - Australia | 0 | - | 4.37 | 38,071 |
| Countries of Africa | 0 | - | 5.00 | 2,519,979 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,222 |
| African East Coast | 0 | - | 4.96 | 95,475 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,326 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,158 |
| Australia Map Quiz | 0 | - | 4.94 | 343,189 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,990 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,441 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,831 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,131 |
| Celtic Nations | 0 | - | 4.69 | 46,869 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,734 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,233 |
| The Only European Country ... | 0 | - | 4.91 | 214,998 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,242 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,658 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,141 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,937 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,623 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,157 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,857 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,637 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,807 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,693 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,145 |
| African Island Countries | 0 | - | 4.96 | 101,117 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,468 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,651 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,011 |
| Australian States and Territories | 0 | - | 4.96 | 141,311 |
| Famous Australians by Description | 0 | - | 4.23 | 27,777 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,121 |
| Australian Slang | 0 | - | 4.25 | 28,538 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,383 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,488 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,764 |
| North America Map Quiz | 0 | - | 4.98 | 246,296 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,520 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,756 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,848 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,661 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,313 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,100 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,671 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,285 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,737 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,078 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,193 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,319 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,235 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,687 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,502 |
| Slavic Countries | 0 | - | 4.96 | 111,203 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,186 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,729 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,790 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,195 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,703 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,553 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,256 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,935 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,993 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,517 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,468 |
| Countries of the Middle East | 0 | - | 4.96 | 199,771 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,351 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,534 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,371 |
| Flags of North and South America | 0 | - | 4.99 | 369,877 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,173 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,748 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,681 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,685 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,858 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,149 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,285 |
| Counties of England | 0 | - | 4.97 | 792,189 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,707 |
| States of India | 0 | - | 4.94 | 191,565 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,183 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,435 |
| The Only African Country ... | 0 | - | 4.98 | 128,681 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,906 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,380 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,606 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,690 |
| Flags of Oceania | 0 | - | 5.00 | 256,800 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,786 |
| The Only American Country ... | 0 | - | 4.92 | 121,139 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,707 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,435 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,668 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,339 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,247 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,426 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,182 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,776 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,138 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,408 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,665 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,717 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,601 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,311 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,870 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,444 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,556 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,205 |
| Monarchies of Europe | 0 | - | 4.90 | 97,667 |
| European Countries with One Border | 0 | - | 4.97 | 182,071 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,936 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,487 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,118 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,502 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,699 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,105 |
| States of Germany | 0 | - | 4.96 | 150,989 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,327 |
| Regions of Italy | 0 | - | 4.92 | 75,138 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,082 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,115 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,691 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,138 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,304 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,598 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,611 |
| Champions League Winners | 0 | - | 4.92 | 1,000,344 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,165 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,452 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,735 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,574 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,752 |
| Monarchies of Asia | 0 | - | 4.97 | 70,812 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,606 |
| Provinces of Turkey | 0 | - | 4.95 | 202,774 |
| Provinces of China | 0 | - | 4.97 | 201,959 |
| Japanese Prefectures | 0 | - | 4.98 | 135,619 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,487 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,276 |
| States of India Map Quiz | 0 | - | 4.83 | 26,211 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,956 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,520 |
| African Great Lakes | 0 | - | 4.82 | 65,659 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,145 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,735 |
| Name a Valid African Country | 0 | - | 4.98 | 153,363 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,633 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,912 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,223 |
| Palau Country Quiz | 0 | - | 4.90 | 22,911 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,369 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,739 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,528 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,356 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,428 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,135 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,421 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,107 |
| States of Mexico | 0 | - | 4.95 | 174,513 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,153 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,508 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,340 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,614 |
| States of Brazil | 0 | - | 4.97 | 87,070 |
| Central American Countries | 0 | - | 4.98 | 155,478 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,694 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,533 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,990 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,706 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,136 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,665 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,880 |
| US States Quiz | 0 | - | 5.00 | 16,772,350 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,073 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,144 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,910 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,702 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,499 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,595 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,451 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
