| European Countries by First 2 Letters | 0 | - | 4.95 | 528,640 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,988 |
| Official European Union Languages | 0 | - | 4.97 | 238,095 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,596 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,455 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,418 |
| Asia Map Quiz | 0 | - | 4.99 | 914,309 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,874 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,749 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,612 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,738 |
| Georgia Country Quiz | 0 | - | 4.64 | 27,187 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,237 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,949 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,545 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,281 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,870 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,612 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,444 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,125 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,314 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,072 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,511 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,956 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,793 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,634 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,261 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,238 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,978 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,742 |
| Countries of the Middle East | 0 | - | 4.96 | 200,712 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,356 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 101,690 |
| Champions League Winners | 0 | - | 4.92 | 1,003,603 |
| States of India | 0 | - | 4.94 | 192,550 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,885 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,915 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,341 |
| States of Germany | 0 | - | 4.96 | 151,860 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,867 |
| Regions of Italy | 0 | - | 4.92 | 75,530 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,832 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,608 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,987 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,658 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,397 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,760 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,022 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Monarchies of Asia | 0 | - | 4.97 | 70,967 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,770 |
| Provinces of Turkey | 0 | - | 4.95 | 203,610 |
| Provinces of China | 0 | - | 4.97 | 203,392 |
| Japanese Prefectures | 0 | - | 4.98 | 136,401 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,699 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,599 |
| States of India Map Quiz | 0 | - | 4.83 | 26,363 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,113 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,648 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,387 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,558 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,260 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,643 |
| Departments of France | 0 | - | 4.93 | 53,762 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,514 |
| Byzantine History | 0 | - | 4.91 | 28,753 |
| England or Wales? | 0 | - | 4.94 | 45,593 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,716 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,811 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,991 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,740 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,281 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,487 |
| Syria Country Quiz | 0 | - | 4.81 | 32,666 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,664 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,919 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,293 |
| China Cities Map Quiz | 0 | - | 4.94 | 104,900 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,392 |
| Japan Country Quiz | 0 | - | 4.93 | 142,199 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,248 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,170 |
| Armenia Country Quiz | 0 | - | 4.69 | 29,461 |
| Azerbaijan Country Quiz | 0 | - | 4.46 | 25,668 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,178 |
| Countries Bordering India | 0 | - | 4.98 | 163,313 |
| Countries Closest to India | 0 | - | 4.97 | 102,623 |
| Hindu Countries | 0 | - | 4.86 | 49,997 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,553 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,641 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,478 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,342 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,340 |
| Slavic Languages | 0 | - | 4.68 | 54,265 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,712 |
| The Trojan War | 0 | - | 4.83 | 39,642 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,009 |
| Name that Greek Letter | 0 | - | 4.93 | 323,066 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,522 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,575 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,409 |
| Roman Emperors | 0 | - | 4.95 | 119,643 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,418 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,687 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,846 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,440 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,379 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,718 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,698 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,455 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,139 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,220 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,861 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,975 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,393 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,510 |
| Oman Country Quiz | 0 | - | 4.86 | 26,850 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,392 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,396 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,839 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,414 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,892 |
| Countries that Beat China | 0 | - | 4.86 | 115,470 |
| Countries that Border China | 0 | - | 4.96 | 262,829 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,316 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,020 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,442 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,825 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,835 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,692 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,499 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,628 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,610 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,159 |
| Imagine Lyrics | 0 | - | 4.53 | 43,212 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,854 |
| Asian Physical Geography | 0 | - | 4.60 | 35,477 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,051 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,084 |
| Asian Island Nations | 0 | - | 4.63 | 94,077 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,656 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,574 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,913 |
| Arab Spring Countries | 0 | - | 4.51 | 43,977 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,902 |
| India Cities Map Quiz | 0 | - | 4.64 | 60,993 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,755 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,845 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,908 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,586 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,328 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,062 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,126 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,123 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,215 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,552 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,236 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,792 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,121 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,025 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,203 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,861 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,151 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,177 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,357 |
| Capitals of French Regions | 0 | - | 4.45 | 16,035 |
| Regions of France | 0 | - | 4.75 | 120,385 |
| France Immigration by Country | 0 | - | 4.70 | 76,395 |
| Famous Germans | 0 | - | 4.50 | 55,160 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| Capitals of German States | 0 | - | 4.74 | 28,926 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,276 |
| Germany True or False? | 0 | - | 4.61 | 48,736 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,861 |
| Ancient Greek Words | 0 | - | 4.93 | 111,334 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,270 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,992 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,218 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,233 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,061 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,597 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,621 |
| Elton John Quiz | 0 | - | 4.48 | 18,455 |
| Asian Islands | 0 | - | 4.49 | 20,818 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,059 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,614 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,353 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,814 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,296 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,469 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,492 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,220 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,645 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,243 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,026 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,271 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,779 |
