| European Countries by First 2 Letters | 0 | - | 4.95 | 528,687 |
| Syria Country Quiz | 0 | - | 4.81 | 32,672 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,673 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,928 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,995 |
| Official European Union Languages | 0 | - | 4.97 | 238,120 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,605 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,485 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,463 |
| Asia Map Quiz | 0 | - | 4.99 | 914,417 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,143 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,225 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,984 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,514 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,460 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,405 |
| Oman Country Quiz | 0 | - | 4.86 | 26,856 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,878 |
| Byzantine History | 0 | - | 4.91 | 28,755 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,755 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,623 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,791 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,909 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,245 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,958 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,593 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,283 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,638 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,452 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,169 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,382 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,081 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,522 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,966 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,803 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,650 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,273 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,245 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,998 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,753 |
| Countries of the Middle East | 0 | - | 4.96 | 200,728 |
| Cyprus Country Quiz | 0 | - | 4.61 | 31,015 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,358 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 101,698 |
| Champions League Winners | 0 | - | 4.92 | 1,003,685 |
| States of India | 0 | - | 4.94 | 192,599 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,896 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,936 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,694 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,380 |
| States of Germany | 0 | - | 4.96 | 151,897 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,882 |
| Regions of Italy | 0 | - | 4.92 | 75,537 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,862 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,630 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,999 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,404 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,770 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,037 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,994 |
| Monarchies of Asia | 0 | - | 4.97 | 70,975 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| Flags of the Middle East | 0 | - | 4.69 | 62,553 |
| Iran Country Quiz | 0 | - | 4.51 | 60,258 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,873 |
| Turkey Country Quiz | 0 | - | 4.42 | 75,585 |
| Provinces of Turkey | 0 | - | 4.95 | 203,642 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 35,178 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,888 |
| Provinces of China | 0 | - | 4.97 | 203,442 |
| Japanese Prefectures | 0 | - | 4.98 | 136,419 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,705 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,607 |
| States of India Map Quiz | 0 | - | 4.83 | 26,370 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,120 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,650 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,388 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,591 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,273 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,665 |
| Departments of France | 0 | - | 4.93 | 53,776 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,515 |
| England or Wales? | 0 | - | 4.94 | 45,599 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,733 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,817 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,004 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,687 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,504 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,757 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,285 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,487 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,303 |
| China Cities Map Quiz | 0 | - | 4.94 | 104,912 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,402 |
| Japan Country Quiz | 0 | - | 4.93 | 142,206 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,256 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,175 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,180 |
| Countries Bordering India | 0 | - | 4.98 | 163,317 |
| Countries Closest to India | 0 | - | 4.97 | 102,630 |
| Hindu Countries | 0 | - | 4.86 | 50,003 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,555 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,643 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,485 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,362 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,344 |
| Slavic Languages | 0 | - | 4.68 | 54,269 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,715 |
| The Trojan War | 0 | - | 4.83 | 39,647 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,081 |
| Name that Greek Letter | 0 | - | 4.93 | 323,080 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,529 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,576 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,418 |
| Roman Emperors | 0 | - | 4.95 | 119,653 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,419 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,689 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,856 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,443 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,380 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,719 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,705 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,848 |
| Bahrain Country Quiz | 0 | - | 4.69 | 21,677 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,870 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,558 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 55,996 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,533 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,347 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,399 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,403 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,849 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,418 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,892 |
| Countries that Beat China | 0 | - | 4.86 | 115,485 |
| Countries that Border China | 0 | - | 4.96 | 262,844 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,322 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,033 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,447 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,833 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,846 |
| History of Russia Quiz | 0 | - | 4.49 | 31,879 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,695 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,541 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,639 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,611 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,164 |
| Imagine Lyrics | 0 | - | 4.53 | 43,217 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,860 |
| Asian Physical Geography | 0 | - | 4.60 | 35,479 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,053 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,087 |
| Asian Island Nations | 0 | - | 4.63 | 94,085 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,658 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,616 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,918 |
| Arab Spring Countries | 0 | - | 4.51 | 43,977 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,609 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,456 |
| India Cities Map Quiz | 0 | - | 4.64 | 60,998 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,791 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,860 |
| European Geography By Letter - A | 0 | - | 4.51 | 145,005 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,606 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,344 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,077 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,140 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,144 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,225 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,563 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,247 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,803 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,135 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,315 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,207 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,863 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,152 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,181 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,366 |
| Capitals of French Regions | 0 | - | 4.45 | 16,037 |
| Regions of France | 0 | - | 4.75 | 120,403 |
| France Immigration by Country | 0 | - | 4.70 | 76,400 |
| Famous Germans | 0 | - | 4.50 | 55,167 |
| German Groups of Things | 0 | - | 4.46 | 38,437 |
| Capitals of German States | 0 | - | 4.74 | 28,930 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,282 |
| Germany True or False? | 0 | - | 4.61 | 48,738 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,871 |
| Ancient Greek Words | 0 | - | 4.93 | 111,347 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,288 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,999 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,225 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,234 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,065 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,606 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,628 |
