| Australian Capitals | 0 | - | 4.92 | 62,596 |
| Countries by National Anthem | 0 | - | 4.93 | 71,039 |
| Australia True or False | 0 | - | 4.87 | 56,533 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,738 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,947 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,093 |
| Regions of New Zealand | 0 | - | 4.85 | 28,208 |
| Australia Country Quiz | 0 | - | 4.43 | 69,314 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,599 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,020 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,537 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,647 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,511 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,430 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,236 |
| Elton John Quiz | 0 | - | 4.48 | 18,409 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,413 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,212 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,421 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,252 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,799 |
| Word Chain - Australia | 0 | - | 4.37 | 38,017 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,718 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,623 |
| Official European Union Languages | 0 | - | 4.97 | 237,030 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,751 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,463 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,409 |
| Asia Map Quiz | 0 | - | 4.99 | 907,592 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,457 |
| Countries of Africa | 0 | - | 5.00 | 2,509,794 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,872 |
| African East Coast | 0 | - | 4.96 | 95,114 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,999 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,985 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,865 |
| Australia Map Quiz | 0 | - | 4.94 | 342,627 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,937 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,274 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,245 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,144 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,473 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,561 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,685 |
| The Only European Country ... | 0 | - | 4.91 | 214,039 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,687 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,582 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,468 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,700 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,546 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,496 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,460 |
| States of India | 0 | - | 4.94 | 190,482 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,466 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,900 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,017 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,706 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,633 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,343 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,538 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,276 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,228 |
| The Only African Country ... | 0 | - | 4.99 | 128,400 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,799 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,556 |
| African Island Countries | 0 | - | 4.96 | 100,847 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,767 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,134 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,159 |
| Flags of Oceania | 0 | - | 5.00 | 255,511 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,635 |
| Australian States and Territories | 0 | - | 4.96 | 140,976 |
| Famous Australians by Description | 0 | - | 4.23 | 27,642 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,488 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,034 |
| Australian Slang | 0 | - | 4.25 | 28,491 |
| Flags of North and South America | 0 | - | 4.99 | 367,796 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,177 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,209 |
| The Only American Country ... | 0 | - | 4.92 | 120,820 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,393 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,317 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,666 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,366 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,953 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,545 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,049 |
| North America Map Quiz | 0 | - | 4.98 | 244,700 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,944 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,062 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,997 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,410 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,392 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,913 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,115 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,020 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,529 |
| US States Quiz | 0 | - | 5.00 | 16,712,814 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,196 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,251 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,667 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,669 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,400 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,518 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,250 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,948 |
| Celtic Nations | 0 | - | 4.69 | 46,824 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,384 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,530 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,759 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,362 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,079 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,502 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,472 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,521 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,975 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,908 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,279 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,005 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,108 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,875 |
| Monarchies of Europe | 0 | - | 4.90 | 97,376 |
| European Countries with One Border | 0 | - | 4.97 | 181,707 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,615 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,611 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,024 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,332 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,248 |
| Slavic Countries | 0 | - | 4.96 | 110,909 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,189 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,255 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,284 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,802 |
| States of Germany | 0 | - | 4.96 | 150,232 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,059 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,087 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,564 |
| Regions of Italy | 0 | - | 4.92 | 74,807 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,879 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,445 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,284 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,330 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,082 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,187 |
| Counties of England | 0 | - | 4.97 | 789,750 |
| Imagine Lyrics | 0 | - | 4.53 | 43,072 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,576 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,542 |
| Champions League Winners | 0 | - | 4.92 | 997,094 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,090 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,404 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,028 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,856 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,472 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,309 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,116 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,824 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,576 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,907 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,742 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,888 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,480 |
| Monarchies of Asia | 0 | - | 4.97 | 70,634 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,213 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,454 |
| Countries of the Middle East | 0 | - | 4.96 | 199,076 |
| Provinces of Turkey | 0 | - | 4.95 | 201,480 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,262 |
| Provinces of China | 0 | - | 4.97 | 200,351 |
| Japanese Prefectures | 0 | - | 4.98 | 134,738 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,262 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,971 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,738 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,824 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,067 |
| States of India Map Quiz | 0 | - | 4.82 | 26,071 |
| Countries Bordering India | 0 | - | 4.98 | 162,638 |
| Countries Closest to India | 0 | - | 4.97 | 102,235 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,805 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,377 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,191 |
| African Great Lakes | 0 | - | 4.82 | 65,247 |
| Every African Country Shape | 0 | - | 4.90 | 86,193 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,905 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,208 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,409 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,453 |
| Name a Valid African Country | 0 | - | 4.98 | 153,020 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,511 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,561 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,559 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,833 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,947 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,078 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,320 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,769 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,073 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,234 |
| Palau Country Quiz | 0 | - | 4.89 | 22,852 |
