| Australian Capitals | 0 | - | 4.92 | 62,598 |
| Countries by National Anthem | 0 | - | 4.93 | 71,045 |
| Australia True or False | 0 | - | 4.87 | 56,536 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,749 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,953 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,100 |
| Regions of New Zealand | 0 | - | 4.85 | 28,232 |
| Australia Country Quiz | 0 | - | 4.43 | 69,323 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,604 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,026 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,621 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,675 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,513 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,072 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,278 |
| Elton John Quiz | 0 | - | 4.48 | 18,411 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,436 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,254 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,424 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,557 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,932 |
| 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 | 68,638 |
| Official European Union Languages | 0 | - | 4.97 | 237,059 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,775 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,505 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,796 |
| Asia Map Quiz | 0 | - | 4.99 | 907,776 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,464 |
| Countries of Africa | 0 | - | 5.00 | 2,510,347 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,891 |
| African East Coast | 0 | - | 4.96 | 95,135 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,010 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,986 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,890 |
| Australia Map Quiz | 0 | - | 4.94 | 342,666 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,296 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,314 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,255 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,193 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,515 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,570 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,717 |
| The Only European Country ... | 0 | - | 4.91 | 214,095 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,729 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,585 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,474 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,704 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,569 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,637 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,460 |
| States of India | 0 | - | 4.94 | 190,525 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,472 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,019 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,021 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,732 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,643 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,366 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,555 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,284 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,254 |
| The Only African Country ... | 0 | - | 4.99 | 128,414 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,808 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,587 |
| African Island Countries | 0 | - | 4.96 | 100,861 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,829 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,150 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,172 |
| Flags of Oceania | 0 | - | 5.00 | 255,628 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,636 |
| Australian States and Territories | 0 | - | 4.96 | 140,986 |
| Famous Australians by Description | 0 | - | 4.23 | 27,658 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,499 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,036 |
| Australian Slang | 0 | - | 4.25 | 28,491 |
| Flags of North and South America | 0 | - | 4.99 | 367,956 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,187 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,233 |
| The Only American Country ... | 0 | - | 4.92 | 120,837 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,410 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,348 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,816 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,367 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,000 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,853 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,068 |
| North America Map Quiz | 0 | - | 4.98 | 244,811 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,952 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,086 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,010 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,439 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,398 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,933 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,122 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,023 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,541 |
| US States Quiz | 0 | - | 5.00 | 16,717,399 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,307 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,342 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,766 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,682 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,416 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,533 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,252 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,387 |
| Celtic Nations | 0 | - | 4.69 | 46,826 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,415 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,649 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,784 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,390 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,094 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,548 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,498 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,531 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,006 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,914 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,297 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,044 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,192 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,896 |
| Monarchies of Europe | 0 | - | 4.90 | 97,394 |
| European Countries with One Border | 0 | - | 4.97 | 181,729 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,634 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,662 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,052 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,356 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,283 |
| Slavic Countries | 0 | - | 4.96 | 110,926 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,257 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,269 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,311 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,823 |
| States of Germany | 0 | - | 4.96 | 150,278 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,069 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,103 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,570 |
| Regions of Italy | 0 | - | 4.92 | 74,826 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,894 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,477 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,342 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,378 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,095 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,227 |
| Counties of England | 0 | - | 4.97 | 789,889 |
| Imagine Lyrics | 0 | - | 4.53 | 43,074 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,589 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,552 |
| Champions League Winners | 0 | - | 4.92 | 997,307 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,283 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,411 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,050 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,873 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,482 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,331 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,141 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,854 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,592 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,453 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,971 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,759 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,931 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,499 |
| Monarchies of Asia | 0 | - | 4.97 | 70,645 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,229 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,465 |
| Countries of the Middle East | 0 | - | 4.96 | 199,120 |
| Provinces of Turkey | 0 | - | 4.95 | 201,625 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,268 |
| Provinces of China | 0 | - | 4.97 | 200,477 |
| Japanese Prefectures | 0 | - | 4.98 | 134,793 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,280 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,000 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,751 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,830 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,495 |
| States of India Map Quiz | 0 | - | 4.82 | 26,079 |
| Countries Bordering India | 0 | - | 4.98 | 162,651 |
| Countries Closest to India | 0 | - | 4.97 | 102,244 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,815 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,390 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,192 |
| African Great Lakes | 0 | - | 4.82 | 65,265 |
| Every African Country Shape | 0 | - | 4.90 | 86,210 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,917 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,216 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,422 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,505 |
| Name a Valid African Country | 0 | - | 4.98 | 153,044 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,517 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,572 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,564 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,836 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,950 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,090 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,324 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,773 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,079 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,239 |
| Palau Country Quiz | 0 | - | 4.89 | 22,857 |
