| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia True or False | 0 | - | 4.87 | 56,472 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Australia Country Quiz | 0 | - | 4.43 | 69,247 |
| Regions of New Zealand | 0 | - | 4.85 | 28,106 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,020 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,100 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,376 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,982 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,539 |
| Official European Union Languages | 0 | - | 4.97 | 236,392 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,618 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,362 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,096 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,663 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,682 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,928 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,452 |
| Asia Map Quiz | 0 | - | 4.99 | 906,134 |
| Word Chain - Australia | 0 | - | 4.37 | 38,004 |
| Countries of Africa | 0 | - | 5.00 | 2,505,297 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,749 |
| African East Coast | 0 | - | 4.96 | 94,953 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,727 |
| Australia Map Quiz | 0 | - | 4.94 | 342,274 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,907 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,789 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,130 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,492 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,381 |
| The Only European Country ... | 0 | - | 4.91 | 213,566 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,364 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,535 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,351 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,164 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,382 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,515 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,177 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,445 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,960 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,296 |
| African Island Countries | 0 | - | 4.96 | 100,690 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,499 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,629 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,970 |
| Australian States and Territories | 0 | - | 4.95 | 140,574 |
| Famous Australians by Description | 0 | - | 4.23 | 27,475 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,993 |
| Australian Slang | 0 | - | 4.25 | 28,453 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,099 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,980 |
| North America Map Quiz | 0 | - | 4.98 | 244,101 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,152 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,560 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,465 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,227 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,614 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,218 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,106 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,418 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,796 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,605 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,602 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,208 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,179 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,090 |
| Slavic Countries | 0 | - | 4.96 | 110,790 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,020 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,289 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,689 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,336 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,150 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,609 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,394 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,611 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,656 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,039 |
| Countries of the Middle East | 0 | - | 4.96 | 198,755 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,222 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,512 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,115 |
| Flags of North and South America | 0 | - | 4.99 | 366,046 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,531 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,734 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,447 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,497 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,718 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,783 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,105 |
| Counties of England | 0 | - | 4.97 | 788,536 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,742 |
| States of India | 0 | - | 4.94 | 189,783 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,980 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,209 |
| The Only African Country ... | 0 | - | 4.99 | 128,289 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,747 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,989 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,216 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,033 |
| Flags of Oceania | 0 | - | 5.00 | 254,772 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,327 |
| The Only American Country ... | 0 | - | 4.92 | 120,678 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,279 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,336 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,549 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,881 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,840 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,829 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,882 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,213 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,788 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,996 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,447 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,309 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,277 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,977 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,251 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,709 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,133 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,700 |
| Monarchies of Europe | 0 | - | 4.90 | 97,236 |
| European Countries with One Border | 0 | - | 4.97 | 181,503 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,006 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,815 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,671 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,121 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,027 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,586 |
| States of Germany | 0 | - | 4.96 | 149,852 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,933 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,491 |
| Regions of Italy | 0 | - | 4.92 | 74,617 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,753 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,174 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,068 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,968 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,859 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,984 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,395 |
| Champions League Winners | 0 | - | 4.92 | 995,338 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,938 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,944 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,263 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,604 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,323 |
| Monarchies of Asia | 0 | - | 4.97 | 70,547 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,394 |
| Provinces of Turkey | 0 | - | 4.95 | 200,409 |
| Provinces of China | 0 | - | 4.97 | 199,782 |
| Japanese Prefectures | 0 | - | 4.98 | 134,358 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,139 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,739 |
| States of India Map Quiz | 0 | - | 4.82 | 25,987 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,724 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,292 |
| African Great Lakes | 0 | - | 4.82 | 65,063 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,803 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,310 |
| Name a Valid African Country | 0 | - | 4.98 | 152,841 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,460 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,796 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,997 |
| Palau Country Quiz | 0 | - | 4.89 | 22,819 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,175 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,437 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,139 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,278 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,333 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,002 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,848 |
| States of Mexico | 0 | - | 4.95 | 173,136 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,703 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,072 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,825 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,351 |
| States of Brazil | 0 | - | 4.98 | 86,251 |
| Central American Countries | 0 | - | 4.98 | 154,942 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,654 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,378 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,562 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,059 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,079 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,492 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,558 |
| US States Quiz | 0 | - | 5.00 | 16,684,191 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,118 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,073 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,416 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,426 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,428 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,050 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
