| Australian Capitals | 0 | - | 4.92 | 62,656 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,289 |
| Australia True or False | 0 | - | 4.87 | 56,666 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,120 |
| Australia Country Quiz | 0 | - | 4.43 | 69,426 |
| Regions of New Zealand | 0 | - | 4.85 | 28,398 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,668 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,345 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,128 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,842 |
| Official European Union Languages | 0 | - | 4.97 | 237,629 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,298 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,172 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,364 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,399 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,858 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,500 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,844 |
| Asia Map Quiz | 0 | - | 4.99 | 910,753 |
| Word Chain - Australia | 0 | - | 4.37 | 38,073 |
| Countries of Africa | 0 | - | 5.00 | 2,520,776 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,240 |
| African East Coast | 0 | - | 4.96 | 95,504 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,347 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,189 |
| Australia Map Quiz | 0 | - | 4.94 | 343,234 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,036 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,460 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,878 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,173 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,737 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,269 |
| The Only European Country ... | 0 | - | 4.91 | 215,059 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,274 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,663 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,171 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,024 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,636 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,186 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,868 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,658 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,821 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,725 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,180 |
| African Island Countries | 0 | - | 4.96 | 101,128 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,600 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,654 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,013 |
| Australian States and Territories | 0 | - | 4.96 | 141,342 |
| Famous Australians by Description | 0 | - | 4.23 | 27,782 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,125 |
| Australian Slang | 0 | - | 4.25 | 28,540 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,393 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,501 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,787 |
| North America Map Quiz | 0 | - | 4.98 | 246,407 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,532 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,097 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,855 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,672 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,122 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,681 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,363 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,746 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,089 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,260 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,388 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,272 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,715 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,512 |
| Slavic Countries | 0 | - | 4.96 | 111,230 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,191 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,735 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,801 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,212 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,714 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,566 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,283 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,956 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,010 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,567 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,490 |
| Countries of the Middle East | 0 | - | 4.96 | 199,821 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,354 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,721 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,380 |
| Flags of North and South America | 0 | - | 4.99 | 370,016 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,366 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,021 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,773 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,765 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,249 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,285 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,290 |
| Counties of England | 0 | - | 4.97 | 792,349 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,951 |
| States of India | 0 | - | 4.94 | 191,649 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,197 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,447 |
| The Only African Country ... | 0 | - | 4.99 | 128,689 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,917 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,395 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,659 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,702 |
| Flags of Oceania | 0 | - | 5.00 | 256,914 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,827 |
| The Only American Country ... | 0 | - | 4.92 | 121,156 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,717 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,443 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,708 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,360 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,279 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,457 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,197 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,806 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,155 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,433 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,681 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,729 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,608 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,341 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,895 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,470 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,572 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,220 |
| Monarchies of Europe | 0 | - | 4.90 | 97,683 |
| European Countries with One Border | 0 | - | 4.97 | 182,092 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,957 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,507 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,241 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,517 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,740 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,132 |
| States of Germany | 0 | - | 4.96 | 151,031 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,372 |
| Regions of Italy | 0 | - | 4.92 | 75,180 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 45,539 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,151 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,717 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,209 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,325 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,628 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,615 |
| Champions League Winners | 0 | - | 4.92 | 1,000,515 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,169 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,476 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,751 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,597 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,762 |
| Monarchies of Asia | 0 | - | 4.97 | 70,822 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,618 |
| Provinces of Turkey | 0 | - | 4.95 | 202,862 |
| Provinces of China | 0 | - | 4.97 | 202,138 |
| Japanese Prefectures | 0 | - | 4.98 | 135,679 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,506 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,296 |
| States of India Map Quiz | 0 | - | 4.83 | 26,218 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,966 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,532 |
| African Great Lakes | 0 | - | 4.82 | 65,675 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,158 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,752 |
| Name a Valid African Country | 0 | - | 4.98 | 153,386 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,641 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,917 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,234 |
| Palau Country Quiz | 0 | - | 4.90 | 22,919 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,378 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,759 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,537 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,364 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,437 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,138 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,445 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,118 |
| States of Mexico | 0 | - | 4.95 | 174,615 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,165 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,528 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,362 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,638 |
| States of Brazil | 0 | - | 4.97 | 87,121 |
| Central American Countries | 0 | - | 4.98 | 155,503 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,778 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,549 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,014 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,734 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,196 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,677 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,892 |
| US States Quiz | 0 | - | 5.00 | 16,775,984 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,103 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,146 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,946 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,713 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,504 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,617 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,467 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
