| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,301 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,116 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,669 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,481 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,514 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,230 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,799 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,630 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,835 |
| Countries Bordering India | 0 | - | 4.98 | 163,354 |
| Countries Closest to India | 0 | - | 4.97 | 102,673 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,734 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,405 |
| Hindu Countries | 0 | - | 4.86 | 50,042 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,098 |
| Asia Map Quiz | 0 | - | 4.99 | 915,114 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,726 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,730 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,676 |
| Countries that Beat India | 0 | - | 4.42 | 62,895 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,783 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,972 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,945 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,227 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,888 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,178 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,200 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,908 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,121 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,591 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,013 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,858 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,712 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,336 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,311 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,100 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,799 |
| Countries of the Middle East | 0 | - | 4.96 | 200,856 |
| States of India | 0 | - | 4.95 | 192,819 |
| History of India | 0 | - | 4.62 | 21,405 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,980 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,969 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 78,293 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,368 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,775 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,429 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,825 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,043 |
| Monarchies of Asia | 0 | - | 4.97 | 71,008 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,794 |
| History of Iran | 0 | - | 4.66 | 16,344 |
| Provinces of Turkey | 0 | - | 4.95 | 203,784 |
| Provinces of China | 0 | - | 4.97 | 203,739 |
| History of China | 0 | - | 4.37 | 57,089 |
| Japanese Prefectures | 0 | - | 4.98 | 136,545 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,748 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,217 |
| States of India Map Quiz | 0 | - | 4.83 | 26,444 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,680 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,158 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,675 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,166 |
| Name a Valid African Country | 0 | - | 4.98 | 153,855 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,040 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,319 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,561 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,262 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,690,568 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,582 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,630 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,422 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,777 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,454 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,808 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,864 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,259 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,442 |
| Byzantine History | 0 | - | 4.91 | 28,763 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,317 |
| Name the English Monarchs | 0 | - | 4.91 | 501,789 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,727 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,889 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,083 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,399 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,550 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,303 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,177 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,269 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,922 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,030 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,111 |
| Geography of Egypt | 0 | - | 4.60 | 21,498 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,549 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,510 |
| Syria Country Quiz | 0 | - | 4.81 | 32,702 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,449 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,704 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,976 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,358 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,453 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,882 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,452 |
| Geography of China | 0 | - | 4.21 | 13,939 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,998 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,472 |
| Chinese Inventions | 0 | - | 4.30 | 33,788 |
| Countries that Border China | 0 | - | 4.96 | 262,928 |
| Japan Country Quiz | 0 | - | 4.93 | 142,285 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,352 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,064 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,510 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,301 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,318 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,193 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,632 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,963 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,324 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,504 |
| The Trojan War | 0 | - | 4.83 | 39,668 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,438 |
| Name that Greek Letter | 0 | - | 4.93 | 323,186 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,615 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,444 |
| Roman Emperors | 0 | - | 4.95 | 119,729 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,189 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,504 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,130 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,467 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,748 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,740 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,477 |
| History of Egypt | 0 | - | 4.58 | 24,012 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,449 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,308 |
| Oman Country Quiz | 0 | - | 4.86 | 26,869 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,905 |
| Countries that Beat China | 0 | - | 4.86 | 115,551 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,896 |
| The Life of Gandhi | 0 | - | 4.37 | 13,049 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,892 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,371 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,116 |
| Names of Generations | 0 | - | 4.10 | 44,439 |
| American History Quotes #1 | 0 | - | 4.37 | 95,974 |
| American History Quotes #2 | 0 | - | 4.38 | 41,379 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,422 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,219 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,019 |
| History of Russia Quiz | 0 | - | 4.49 | 31,891 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,205 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,885 |
| Ancient Greek Words | 0 | - | 4.93 | 111,421 |
| History of Italy | 0 | - | 4.55 | 31,949 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,632 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,688 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,181 |
| Geography of Spain | 0 | - | 4.59 | 22,059 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,808 |
| Asian Physical Geography | 0 | - | 4.60 | 35,491 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,062 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,125 |
| Asian Island Nations | 0 | - | 4.63 | 94,111 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,695 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,734 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,934 |
| Arab Spring Countries | 0 | - | 4.51 | 43,989 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,813 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,949 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,912 |
| India Cities Map Quiz | 0 | - | 4.64 | 61,038 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 58,953 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,958 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,063 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,206 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,455 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,373 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,533 |
| German Groups of Things | 0 | - | 4.46 | 38,452 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,501 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,033 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,115 |
| Asian Islands | 0 | - | 4.49 | 20,822 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,086 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,643 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,374 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,837 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,316 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,795 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,257 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,044 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,318 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,793 |
| Random Asian City to Country | 0 | - | 4.56 | 44,469 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,968 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,785 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,882 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,788 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,627 |
| The Vietnam War | 0 | - | 4.44 | 35,491 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,359 |
