| European Countries by First 2 Letters | 0 | - | 4.95 | 530,080 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,241 |
| Official European Union Languages | 0 | - | 4.97 | 238,721 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,993 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,630 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,047 |
| Asia Map Quiz | 0 | - | 4.99 | 918,073 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,045 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,869 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,116 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,012 |
| Armenia Country Quiz | 0 | - | 4.69 | 29,557 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,462 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,939 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,440 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,401 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,128 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,603 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,906 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,196 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,840 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,320 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,866 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,274 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,107 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,055 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,632 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,559 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,582 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,032 |
| Countries of the Middle East | 0 | - | 4.96 | 201,391 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,207 |
| Champions League Winners | 0 | - | 4.91 | 1,008,450 |
| States of India | 0 | - | 4.95 | 193,792 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,252 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,765 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,666 |
| States of Germany | 0 | - | 4.95 | 152,901 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,174 |
| Regions of Italy | 0 | - | 4.92 | 76,093 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,310 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,193 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,313 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,725 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,580 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,129 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,419 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,313 |
| Monarchies of Asia | 0 | - | 4.97 | 71,154 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,959 |
| Provinces of Turkey | 0 | - | 4.95 | 204,442 |
| Provinces of China | 0 | - | 4.97 | 205,073 |
| Japanese Prefectures | 0 | - | 4.98 | 137,299 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,931 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,985 |
| States of India Map Quiz | 0 | - | 4.83 | 26,573 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,303 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,775 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,534 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,618 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,136 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,365 |
| Departments of France | 0 | - | 4.93 | 54,292 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,572 |
| Byzantine History | 0 | - | 4.91 | 28,894 |
| Byzantine Emperors | 0 | - | 4.92 | 14,283 |
| England or Wales? | 0 | - | 4.94 | 45,750 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,726 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,045 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,349 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,131 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,434 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,605 |
| Syria Country Quiz | 0 | - | 4.81 | 32,824 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,826 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,182 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,593 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,344 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,818 |
| Japan Country Quiz | 0 | - | 4.93 | 142,627 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,494 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,400 |
| Azerbaijan Country Quiz | 0 | - | 4.46 | 25,727 |
| Georgia Country Quiz | 0 | - | 4.67 | 27,276 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,247 |
| Countries Bordering India | 0 | - | 4.98 | 163,473 |
| Countries Closest to India | 0 | - | 4.97 | 102,877 |
| Hindu Countries | 0 | - | 4.86 | 50,235 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,625 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,784 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,323 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,551 |
| Slavic Languages | 0 | - | 4.68 | 54,416 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,818 |
| The Trojan War | 0 | - | 4.83 | 39,770 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,224 |
| Name that Greek Letter | 0 | - | 4.93 | 324,014 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,033 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,638 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,600 |
| Roman Emperors | 0 | - | 4.95 | 120,239 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,498 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,816 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,929 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,582 |
| 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 | 43,899 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,561 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,397 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,481 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,176 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,269 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,603 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 121,469 |
| Oman Country Quiz | 0 | - | 4.86 | 26,947 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,654 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,641 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,064 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,639 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,963 |
| Countries that Beat China | 0 | - | 4.85 | 116,006 |
| Countries that Border China | 0 | - | 4.96 | 263,359 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,515 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,212 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,736 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,132 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,218 |
| History of Russia Quiz | 0 | - | 4.47 | 31,941 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,761 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,427 |
| History of Italy | 0 | - | 4.55 | 32,027 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,864 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,698 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,273 |
| Imagine Lyrics | 0 | - | 4.53 | 43,314 |
| 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 | 33,113 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,254 |
| Asian Island Nations | 0 | - | 4.63 | 94,233 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,828 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,601 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,006 |
| Arab Spring Countries | 0 | - | 4.51 | 44,069 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,121 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,160 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,393 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,435 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,478 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,880 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,165 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,796 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,649 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,857 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,666 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,963 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,811 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,104 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,561 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,322 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,319 |
| 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 | 100,702 |
| Capitals of French Regions | 0 | - | 4.45 | 16,094 |
| Regions of France | 0 | - | 4.72 | 121,023 |
| France Immigration by Country | 0 | - | 4.70 | 76,605 |
| Famous Germans | 0 | - | 4.50 | 55,377 |
| German Groups of Things | 0 | - | 4.46 | 38,496 |
| Capitals of German States | 0 | - | 4.74 | 28,975 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,366 |
| Germany True or False? | 0 | - | 4.61 | 48,846 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,081 |
| Ancient Greek Words | 0 | - | 4.93 | 111,773 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,593 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,215 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,446 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,293 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,350 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,687 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,706 |
| 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 | 65,766 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,456 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,961 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,411 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,528 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,579 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,267 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,424 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,308 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,098 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,483 |