| Australian Capitals | 0 | - | 4.92 | 61,109 |
| Countries by National Anthem | 0 | - | 4.94 | 68,459 |
| Australia True or False | 0 | - | 4.90 | 52,220 |
| Non-Stop Flights to New Zealand | 0 | - | 4.49 | 43,663 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,508 |
| Australia... or New Zealand? | 0 | - | 4.83 | 55,595 |
| Regions of New Zealand | 0 | - | 4.83 | 24,958 |
| Australia Country Quiz | 0 | - | 4.44 | 58,214 |
| Twelve Days of Christmas Quiz | 0 | - | 4.45 | 133,277 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.52 | 71,774 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 491,667 |
| Beatles Songs Quiz | 0 | - | 4.95 | 212,552 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,731 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,476 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,237 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 23,460 |
| New Zealand Country Quiz | 0 | - | 4.71 | 70,347 |
| Europe Map Quiz | 0 | - | 5.00 | 4,350,713 |
| Christmas Song Lyrics | 0 | - | 4.19 | 64,747 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,355,629 |
| Asia Map Quiz | 0 | - | 4.99 | 800,194 |
| Africa Map Quiz | 0 | - | 5.00 | 1,960,595 |
| Oceania Map Quiz | 0 | - | 4.98 | 576,576 |
| Word Chain - Australia | 0 | - | 4.39 | 36,504 |
| America the Beautiful Lyrics | 0 | - | 4.26 | 19,264 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,856 |
| Official European Union Languages | 0 | - | 4.98 | 203,812 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,981 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,461 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 143,512 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,325 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,383 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,960 |
| Elton John Quiz | 0 | - | 4.33 | 13,142 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,770 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,293,317 |
| Countries of Africa | 0 | - | 5.00 | 2,214,275 |
| African East Coast | 0 | - | 4.97 | 85,761 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,223 |
| Oceania Geography Quiz | 0 | - | 4.54 | 21,010 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,594 |
| Australia Map Quiz | 0 | - | 4.94 | 322,933 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,745 |
| United States Map Quiz | 0 | - | 4.98 | 3,933,014 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,948 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,186 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,021 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,559 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,203 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,274 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,294 |
| The Only European Country ... | 0 | - | 4.93 | 183,018 |
| Christmas Carol Lyrics | 0 | - | 4.16 | 11,185 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,213 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,681 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,303 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,469 |
| UK Cities Map Quiz | 0 | - | 4.95 | 437,928 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,011 |
| Counties of England Map Quiz | 0 | - | 4.97 | 289,902 |
| Counties of England | 0 | - | 4.97 | 703,912 |
| Imagine Lyrics | 0 | - | 4.49 | 40,268 |
| A Quiz About The Beatles | 0 | - | 4.57 | 43,537 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 281,397 |
| Champions League Winners | 0 | - | 4.91 | 891,861 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,524 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,632 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,398 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,594 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,160 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,146 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,473 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 93,367 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,746 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,198 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,315 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,297 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,007 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,091 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,386 |
| Monarchies of Asia | 0 | - | 4.95 | 54,777 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,727 |
| Countries of the Middle East | 0 | - | 4.96 | 176,843 |
| Provinces of Turkey | 0 | - | 4.95 | 180,703 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,458 |
| Provinces of China | 0 | - | 4.98 | 161,122 |
| Japanese Prefectures | 0 | - | 4.98 | 110,425 |
| States of India | 0 | - | 4.92 | 159,628 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,607 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,017 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,532 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,047 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,691 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,570 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,434 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,467 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,075 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,590 |
| The Only African Country ... | 0 | - | 4.99 | 121,108 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,230 |
| Top African Languages on a Map | 0 | - | 4.93 | 55,874 |
| African Island Countries | 0 | - | 4.96 | 91,032 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,040 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,478 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,590 |
| Flags of Oceania | 0 | - | 5.00 | 220,433 |
| Oceania Physical Geography | 0 | - | 4.27 | 12,018 |
| Australian States and Territories | 0 | - | 4.96 | 130,576 |
| Famous Australians | 0 | - | 4.22 | 19,407 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 133,152 |
| Australian Slang | 0 | - | 4.25 | 26,807 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,817 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,858 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,141 |
| The Only American Country ... | 0 | - | 4.94 | 111,457 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,258 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,055 |
| South America Map Quiz | 0 | - | 5.00 | 1,436,417 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,997 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,080 |
| Countries of North America Quiz | 0 | - | 5.00 | 896,813 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,289 |
| North America Map Quiz | 0 | - | 4.98 | 203,905 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,777 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,417 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,979 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,220 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,178 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,448 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,198 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,719 |
| US States Quiz | 0 | - | 5.00 | 14,992,493 |
| Canada Provinces and Territories | 0 | - | 4.99 | 293,875 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,024 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,256 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 47,989 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,331 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 38,009 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,065,867 |
| Celtic Nations | 0 | - | 4.76 | 45,029 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,207,791 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,133 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,137 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 85,399 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 190,403 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,239 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,624 |
| Three Band Flags of Europe | 0 | - | 4.97 | 173,572 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,770 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,264 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 288,847 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,406 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,930 |
| Monarchies of Europe | 0 | - | 4.89 | 88,178 |
| European Countries with One Border | 0 | - | 4.96 | 152,532 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,277 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 51,704 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,734 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,349 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,906 |
| Slavic Countries | 0 | - | 4.96 | 101,554 |
| Federal Subjects of Russia | 0 | - | 4.95 | 116,748 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,076 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,237 |
| France Immigration by Country | 0 | - | 4.81 | 70,211 |
| States of Germany Map Quiz | 0 | - | 4.90 | 121,956 |
| States of Germany | 0 | - | 4.94 | 127,015 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,065 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,287 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,110 |
| Counties of Ireland | 0 | - | 4.90 | 163,355 |
| Regions of Italy | 0 | - | 4.89 | 62,009 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,565 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,527 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,340 |
| Countries Closest to Spain | 0 | - | 4.95 | 208,540 |
| UK Immigration by Country | 0 | - | 4.94 | 127,265 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,541 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,315 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 64,155 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 107,639 |
| Beatles Lyrics First Names | 0 | - | 4.32 | 32,084 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 36,783 |
| English Monarchs Quiz | 0 | - | 4.91 | 454,241 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,477 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,556 |
| England or Wales? | 0 | - | 4.93 | 41,001 |
| All Champions League Teams Ever | 0 | - | 4.90 | 107,953 |
| Every Asian Country Shape | 0 | - | 4.94 | 76,664 |
| South China Sea Countries | 0 | - | 4.82 | 54,312 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,253 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 86,096 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,824 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,323 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 83,362 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,545 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,664 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,693 |
| Countries Bordering Iran | 0 | - | 4.82 | 89,171 |
| Countries that Border Iraq | 0 | - | 4.97 | 102,538 |
