| Countries Bordering Turkey | 0 | - | 4.98 | 117,768 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,708 |
| Byzantine History | 0 | - | 4.91 | 28,987 |
| Byzantine Emperors | 0 | - | 4.92 | 14,500 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,655 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,007 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,647 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,575 |
| Official European Union Languages | 0 | - | 4.97 | 239,435 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,441 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,176 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,087 |
| Asia Map Quiz | 0 | - | 4.99 | 923,016 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,930 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,993 |
| Turkey Country Quiz | 0 | - | 4.42 | 76,089 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,963 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,567 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,835 |
| Oman Country Quiz | 0 | - | 4.86 | 27,034 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,219 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,995 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,687 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,221 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,078 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,239 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,454 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,886 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,204 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,933 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,617 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,339 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,863 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,563 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,079 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,238 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,616 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,353 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,992 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,569 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,108 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,896 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,261 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,416 |
| Countries of the Middle East | 0 | - | 4.96 | 202,267 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Celtic Nations | 0 | - | 4.61 | 47,061 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,592 |
| Champions League Winners | 0 | - | 4.92 | 1,013,167 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,558 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,609 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,269 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,702 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,914 |
| States of Germany | 0 | - | 4.95 | 153,992 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,532 |
| Regions of Italy | 0 | - | 4.92 | 76,687 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,649 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,004 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,609 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,878 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,595 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,883 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,638 |
| Monarchies of Asia | 0 | - | 4.97 | 71,384 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,186 |
| Flags of the Middle East | 0 | - | 4.69 | 62,777 |
| Iran Country Quiz | 0 | - | 4.49 | 60,589 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,082 |
| Provinces of Turkey | 0 | - | 4.94 | 205,405 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 35,371 |
| Lebanon Country Quiz | 0 | - | 4.56 | 36,125 |
| Syria Country Quiz | 0 | - | 4.80 | 32,982 |
| Provinces of China | 0 | - | 4.97 | 206,984 |
| Japanese Prefectures | 0 | - | 4.98 | 138,477 |
| States of India | 0 | - | 4.95 | 195,205 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,691 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,128 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,438 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,425 |
| Departments of France | 0 | - | 4.93 | 54,856 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,703 |
| England or Wales? | 0 | - | 4.94 | 45,893 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,629 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,631 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,760 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,572 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,617 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,718 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,908 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,722 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,381 |
| Japan Country Quiz | 0 | - | 4.93 | 143,094 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,220 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,334 |
| States of India Map Quiz | 0 | - | 4.84 | 26,797 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,491 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,913 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,707 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,149 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,260 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,783 |
| Slavic Languages | 0 | - | 4.68 | 54,611 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| The Trojan War | 0 | - | 4.83 | 39,930 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,700 |
| Name that Greek Letter | 0 | - | 4.93 | 324,665 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,675 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,705 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,479 |
| Roman Emperors | 0 | - | 4.95 | 120,882 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,590 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,008 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,013 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,728 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,611 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,041 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,091 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,976 |
| Bahrain Country Quiz | 0 | - | 4.69 | 21,802 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,780 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 56,238 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,700 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,579 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,984 |
| Cyprus Country Quiz | 0 | - | 4.61 | 31,155 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,910 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,279 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,059 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,044 |
| Countries that Beat China | 0 | - | 4.85 | 116,514 |
| Countries that Border China | 0 | - | 4.96 | 263,967 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,715 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,420 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,047 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,112 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,615 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,312 |
| Countries Bordering India | 0 | - | 4.98 | 163,717 |
| Countries Closest to India | 0 | - | 4.97 | 103,105 |
| Hindu Countries | 0 | - | 4.87 | 50,463 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,633 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,832 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,971 |
| History of Italy | 0 | - | 4.55 | 32,107 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,198 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,782 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,380 |
| Imagine Lyrics | 0 | - | 4.53 | 43,500 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,265 |
| Asian Physical Geography | 0 | - | 4.61 | 35,596 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,176 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,501 |
| Asian Island Nations | 0 | - | 4.63 | 94,398 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,047 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,953 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,099 |
| Arab Spring Countries | 0 | - | 4.51 | 44,181 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,412 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,656 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,039 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,802 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,043 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,714 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,043 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,851 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,363 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,580 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,269 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,660 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,450 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,103 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,401 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,365 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,202 |
| Capitals of French Regions | 0 | - | 4.45 | 16,154 |
| Regions of France | 0 | - | 4.70 | 121,734 |
| France Immigration by Country | 0 | - | 4.70 | 76,828 |
| Famous Germans | 0 | - | 4.50 | 55,666 |
| German Groups of Things | 0 | - | 4.47 | 38,595 |
| Capitals of German States | 0 | - | 4.74 | 29,033 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,493 |
| Germany True or False? | 0 | - | 4.61 | 48,961 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,330 |
| Ancient Greek Words | 0 | - | 4.93 | 112,239 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,097 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,410 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,633 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,379 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,650 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,768 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,093 |
| Elton John Quiz | 0 | - | 4.49 | 18,510 |
| Asian Islands | 0 | - | 4.49 | 20,886 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,363 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,958 |
