| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,000 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,357 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,891 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,329 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,323 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,149 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,716 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,558 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,048 |
| Syria Country Quiz | 0 | - | 4.81 | 32,306 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,446 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,780 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,844 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,481 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,225 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,425 |
| Asia Map Quiz | 0 | - | 4.99 | 906,973 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,290 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,030 |
| Oman Country Quiz | 0 | - | 4.86 | 26,677 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,409 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,184 |
| Byzantine History | 0 | - | 4.91 | 28,620 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,460 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,885 |
| Geography of Egypt | 0 | - | 4.60 | 21,412 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,547 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,734 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,509 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,597 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,098 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,804 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,990 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,616 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,942 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,981 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,407 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,239 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,701 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,481 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,679 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,765 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,150 |
| Countries of the Middle East | 0 | - | 4.96 | 198,904 |
| States of India | 0 | - | 4.94 | 190,028 |
| History of India | 0 | - | 4.61 | 21,283 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,336 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,942 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,109 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,995 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,035 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,406 |
| Monarchies of Asia | 0 | - | 4.97 | 70,598 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Flags of the Middle East | 0 | - | 4.69 | 62,324 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| Iran Country Quiz | 0 | - | 4.53 | 59,916 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,688 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,985 |
| Provinces of Turkey | 0 | - | 4.95 | 201,001 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,963 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,656 |
| Provinces of China | 0 | - | 4.97 | 200,111 |
| History of China | 0 | - | 4.37 | 56,691 |
| Japanese Prefectures | 0 | - | 4.98 | 134,567 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,210 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,781 |
| States of India Map Quiz | 0 | - | 4.82 | 26,036 |
| Countries Bordering India | 0 | - | 4.98 | 162,599 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,174 |
| Countries Closest to India | 0 | - | 4.97 | 102,205 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,773 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,329 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,094 |
| Name a Valid African Country | 0 | - | 4.98 | 152,934 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,193 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,146 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,140 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,251 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,393 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,144 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,522 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,198 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,162 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,966 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,769 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,243 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,270 |
| Name the English Monarchs | 0 | - | 4.92 | 497,862 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,507 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,254 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,148 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,493 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,980 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,341 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,273 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,025 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,379 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,311 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,889 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,795 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,951 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,502 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,077 |
| Geography of China | 0 | - | 4.21 | 13,874 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,038 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,778 |
| Chinese Inventions | 0 | - | 4.30 | 33,719 |
| Countries that Border China | 0 | - | 4.96 | 261,810 |
| Japan Country Quiz | 0 | - | 4.92 | 141,238 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,937 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,703 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,906 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,799 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,141 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,859 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,015 |
| Countries that Beat India | 0 | - | 4.41 | 62,586 |
| Hindu Countries | 0 | - | 4.85 | 49,577 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,568 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,480 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,847 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,886 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,863 |
| Name that Greek Letter | 0 | - | 4.94 | 321,650 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,532 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,044 |
| Roman Emperors | 0 | - | 4.95 | 118,482 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,673 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,104 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,622 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,156 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,462 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,262 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,713 |
| Bahrain Country Quiz | 0 | - | 4.68 | 21,544 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,211 |
| History of Egypt | 0 | - | 4.58 | 23,932 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 55,803 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,390 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,129 |
| Cyprus Country Quiz | 0 | - | 4.61 | 30,874 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,760 |
| Countries that Beat China | 0 | - | 4.86 | 114,705 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,546 |
| The Life of Gandhi | 0 | - | 4.37 | 13,018 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,344 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,943 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,868 |
| American History Quotes #1 | 0 | - | 4.37 | 95,688 |
| American History Quotes #2 | 0 | - | 4.38 | 41,223 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,240 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,076 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,333 |
| History of Russia Quiz | 0 | - | 4.49 | 31,791 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,092 |
| Ancient Greek Words | 0 | - | 4.92 | 110,687 |
| History of Italy | 0 | - | 4.55 | 31,814 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,481 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,980 |
| Geography of Spain | 0 | - | 4.59 | 21,963 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,387 |
| Asian Physical Geography | 0 | - | 4.61 | 35,370 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,927 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,830 |
| Asian Island Nations | 0 | - | 4.63 | 93,752 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,281 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,784 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,680 |
| Arab Spring Countries | 0 | - | 4.51 | 43,820 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,803 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,698 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,695 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,666 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,525 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,714 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,542 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,842 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,135 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,465 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,530 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,615 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,954 |
| Asian Islands | 0 | - | 4.49 | 20,764 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,826 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,392 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,160 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,561 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,073 |
