| Australian Capitals | 0 | - | 4.92 | 62,610 |
| Countries by National Anthem | 0 | - | 4.92 | 71,054 |
| Australia True or False | 0 | - | 4.87 | 56,563 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,774 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,992 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,144 |
| Regions of New Zealand | 0 | - | 4.85 | 28,256 |
| Australia Country Quiz | 0 | - | 4.43 | 69,344 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,617 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,036 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,751 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,737 |
| New Zealand Country Quiz | 0 | - | 4.69 | 75,590 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,245 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,440 |
| Elton John Quiz | 0 | - | 4.48 | 18,415 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,499 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,343 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,438 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,304 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,362 |
| Word Chain - Australia | 0 | - | 4.37 | 38,029 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,721 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,691 |
| Official European Union Languages | 0 | - | 4.97 | 237,180 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,034 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,674 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,057 |
| Asia Map Quiz | 0 | - | 4.99 | 908,269 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,477 |
| Countries of Africa | 0 | - | 5.00 | 2,512,371 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,944 |
| African East Coast | 0 | - | 4.96 | 95,199 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,068 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,989 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,961 |
| Australia Map Quiz | 0 | - | 4.94 | 342,768 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,130 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,467 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,340 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,335 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,647 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,596 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,826 |
| The Only European Country ... | 0 | - | 4.91 | 214,296 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,826 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,606 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,489 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,714 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,661 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,986 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,462 |
| States of India | 0 | - | 4.94 | 190,768 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,509 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,493 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,037 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,825 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,682 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,420 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,612 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,310 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,338 |
| The Only African Country ... | 0 | - | 4.99 | 128,460 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,822 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,737 |
| African Island Countries | 0 | - | 4.96 | 100,911 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,913 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,198 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,481 |
| Flags of Oceania | 0 | - | 5.00 | 255,872 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| Australian States and Territories | 0 | - | 4.96 | 141,087 |
| Famous Australians by Description | 0 | - | 4.23 | 27,692 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,556 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,058 |
| Australian Slang | 0 | - | 4.25 | 28,501 |
| Flags of North and South America | 0 | - | 4.99 | 368,372 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,218 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,281 |
| The Only American Country ... | 0 | - | 4.92 | 120,886 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,441 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,412 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,266 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,391 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,140 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,761 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,125 |
| North America Map Quiz | 0 | - | 4.98 | 245,060 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,982 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,163 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,033 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,488 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,424 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,974 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,177 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,025 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,573 |
| US States Quiz | 0 | - | 5.00 | 16,728,123 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,628 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,644 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,975 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,723 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,466 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,563 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,259 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,404 |
| Celtic Nations | 0 | - | 4.69 | 46,837 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,471 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,187 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,849 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,439 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,142 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,701 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,568 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,582 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,079 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,943 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,341 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,216 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,556 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,941 |
| Monarchies of Europe | 0 | - | 4.90 | 97,465 |
| European Countries with One Border | 0 | - | 4.97 | 181,791 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,689 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,825 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,126 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,424 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,327 |
| Slavic Countries | 0 | - | 4.96 | 110,993 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,498 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,308 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,394 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,889 |
| States of Germany | 0 | - | 4.96 | 150,469 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,092 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,139 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,617 |
| Regions of Italy | 0 | - | 4.92 | 74,895 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,939 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,586 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,460 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,580 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,150 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,304 |
| Counties of England | 0 | - | 4.97 | 790,326 |
| Imagine Lyrics | 0 | - | 4.53 | 43,088 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,609 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,572 |
| Champions League Winners | 0 | - | 4.92 | 997,809 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,766 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,448 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,092 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,930 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,526 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,377 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,205 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,939 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,640 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,501 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,083 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,810 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,018 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,544 |
| Monarchies of Asia | 0 | - | 4.97 | 70,677 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,277 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,495 |
| Countries of the Middle East | 0 | - | 4.96 | 199,243 |
| Provinces of Turkey | 0 | - | 4.95 | 201,975 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,290 |
| Provinces of China | 0 | - | 4.97 | 200,770 |
| Japanese Prefectures | 0 | - | 4.98 | 135,006 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,325 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,058 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,777 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,862 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,996 |
| States of India Map Quiz | 0 | - | 4.82 | 26,119 |
| Countries Bordering India | 0 | - | 4.98 | 162,709 |
| Countries Closest to India | 0 | - | 4.97 | 102,288 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,837 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,419 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,219 |
| African Great Lakes | 0 | - | 4.82 | 65,338 |
| Every African Country Shape | 0 | - | 4.90 | 86,299 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,955 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,235 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,464 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,622 |
| Name a Valid African Country | 0 | - | 4.98 | 153,106 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,554 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,597 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,577 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,861 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,961 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,121 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,332 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,786 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,098 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,262 |
| Palau Country Quiz | 0 | - | 4.89 | 22,869 |
