| European Countries by First 2 Letters | 0 | - | 4.95 | 530,100 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,244 |
| Official European Union Languages | 0 | - | 4.97 | 238,729 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,006 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,641 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,061 |
| Asia Map Quiz | 0 | - | 4.99 | 918,108 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,046 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,874 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,120 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,030 |
| Armenia Country Quiz | 0 | - | 4.69 | 29,557 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,463 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,944 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,453 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,404 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,130 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,613 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,912 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,232 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,882 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,323 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,872 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,276 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,115 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,065 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,647 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,559 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,583 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,033 |
| Countries of the Middle East | 0 | - | 4.96 | 201,413 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Celtic Nations | 0 | - | 4.69 | 46,968 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,212 |
| Champions League Winners | 0 | - | 4.91 | 1,008,505 |
| States of India | 0 | - | 4.95 | 193,812 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,257 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,774 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,681 |
| States of Germany | 0 | - | 4.95 | 152,912 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,179 |
| Regions of Italy | 0 | - | 4.92 | 76,097 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,313 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,198 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,315 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,727 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,583 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,129 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,426 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,317 |
| Monarchies of Asia | 0 | - | 4.97 | 71,155 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,964 |
| Provinces of Turkey | 0 | - | 4.95 | 204,449 |
| Provinces of China | 0 | - | 4.97 | 205,097 |
| Japanese Prefectures | 0 | - | 4.98 | 137,304 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,934 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,986 |
| States of India Map Quiz | 0 | - | 4.83 | 26,573 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,304 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,777 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,535 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,628 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,140 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,372 |
| Departments of France | 0 | - | 4.93 | 54,298 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,574 |
| Byzantine History | 0 | - | 4.91 | 28,895 |
| Byzantine Emperors | 0 | - | 4.92 | 14,289 |
| England or Wales? | 0 | - | 4.94 | 45,753 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,738 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,049 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,354 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,135 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,441 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,605 |
| Syria Country Quiz | 0 | - | 4.81 | 32,827 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,830 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,196 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,600 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,346 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,822 |
| Japan Country Quiz | 0 | - | 4.93 | 142,632 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,495 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,402 |
| Azerbaijan Country Quiz | 0 | - | 4.46 | 25,727 |
| Georgia Country Quiz | 0 | - | 4.67 | 27,276 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,250 |
| Countries Bordering India | 0 | - | 4.98 | 163,478 |
| Countries Closest to India | 0 | - | 4.97 | 102,879 |
| Hindu Countries | 0 | - | 4.86 | 50,236 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,626 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,794 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,340 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,554 |
| Slavic Languages | 0 | - | 4.68 | 54,419 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,819 |
| The Trojan War | 0 | - | 4.83 | 39,770 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,249 |
| Name that Greek Letter | 0 | - | 4.93 | 324,020 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,043 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,639 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,602 |
| Roman Emperors | 0 | - | 4.95 | 120,242 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,498 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,817 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,929 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,585 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,500 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,882 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,902 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,564 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,418 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,496 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,178 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,285 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,606 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 122,486 |
| Oman Country Quiz | 0 | - | 4.86 | 26,949 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,656 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,643 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,065 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,660 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,964 |
| Countries that Beat China | 0 | - | 4.85 | 116,009 |
| Countries that Border China | 0 | - | 4.96 | 263,371 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,518 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,213 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,741 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,135 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,222 |
| History of Russia Quiz | 0 | - | 4.47 | 31,941 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,762 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,444 |
| History of Italy | 0 | - | 4.55 | 32,028 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,868 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,701 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,273 |
| Imagine Lyrics | 0 | - | 4.53 | 43,317 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,998 |
| Asian Physical Geography | 0 | - | 4.61 | 35,546 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,115 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,254 |
| Asian Island Nations | 0 | - | 4.63 | 94,236 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,829 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,606 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,007 |
| Arab Spring Countries | 0 | - | 4.51 | 44,069 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,121 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,161 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,397 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,440 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,482 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,896 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,172 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,802 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,651 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,861 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,667 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,965 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,812 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,105 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,565 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,431 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,321 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,982 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,269 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,272 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,703 |
| Capitals of French Regions | 0 | - | 4.45 | 16,094 |
| Regions of France | 0 | - | 4.72 | 121,027 |
| France Immigration by Country | 0 | - | 4.70 | 76,607 |
| Famous Germans | 0 | - | 4.50 | 55,388 |
| German Groups of Things | 0 | - | 4.46 | 38,497 |
| Capitals of German States | 0 | - | 4.74 | 28,975 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,369 |
| Germany True or False? | 0 | - | 4.61 | 48,846 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,081 |
| Ancient Greek Words | 0 | - | 4.93 | 111,776 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,605 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,216 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,448 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,297 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,351 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,689 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,707 |
| Elton John Quiz | 0 | - | 4.49 | 18,476 |
| Asian Islands | 0 | - | 4.49 | 20,853 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,187 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,770 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,458 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,963 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,412 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,529 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,581 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,268 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,432 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,309 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,098 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,485 |
