| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,360 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,895 |
| 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 | 32,150 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,719 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,564 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,049 |
| Syria Country Quiz | 0 | - | 4.81 | 32,312 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,446 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,513 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,783 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,847 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,485 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,227 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,455 |
| Asia Map Quiz | 0 | - | 4.99 | 907,002 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,291 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,031 |
| Oman Country Quiz | 0 | - | 4.86 | 26,680 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,411 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,185 |
| Byzantine History | 0 | - | 4.91 | 28,620 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,468 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,899 |
| Geography of Egypt | 0 | - | 4.60 | 21,414 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,547 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,753 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,534 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,599 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,099 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,805 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,991 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,616 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,944 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,982 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,343 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,411 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,243 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,706 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,487 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,681 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,766 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,152 |
| Countries of the Middle East | 0 | - | 4.96 | 198,909 |
| States of India | 0 | - | 4.94 | 190,034 |
| History of India | 0 | - | 4.61 | 21,284 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,946 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,112 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,998 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,039 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,410 |
| Monarchies of Asia | 0 | - | 4.97 | 70,600 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Flags of the Middle East | 0 | - | 4.69 | 62,326 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| Iran Country Quiz | 0 | - | 4.53 | 59,916 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,689 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,991 |
| Provinces of Turkey | 0 | - | 4.95 | 201,019 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,966 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,658 |
| Provinces of China | 0 | - | 4.97 | 200,118 |
| History of China | 0 | - | 4.37 | 56,691 |
| Japanese Prefectures | 0 | - | 4.98 | 134,570 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,212 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,782 |
| States of India Map Quiz | 0 | - | 4.82 | 26,036 |
| Countries Bordering India | 0 | - | 4.98 | 162,600 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,175 |
| 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 | 37,330 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,095 |
| Name a Valid African Country | 0 | - | 4.98 | 152,934 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,978 |
| 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 | 173,151 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,286 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,254 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,393 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,145 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,532 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,204 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,165 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,970 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,779 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,249 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,276 |
| Name the English Monarchs | 0 | - | 4.92 | 497,886 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,508 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,489 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,261 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,149 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,493 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,981 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,344 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,276 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,025 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,380 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,312 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,890 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,796 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,956 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,505 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,080 |
| Geography of China | 0 | - | 4.21 | 13,874 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,042 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,778 |
| Chinese Inventions | 0 | - | 4.30 | 33,719 |
| Countries that Border China | 0 | - | 4.96 | 261,815 |
| Japan Country Quiz | 0 | - | 4.92 | 141,238 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,939 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,704 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,907 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,801 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,141 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,871 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,015 |
| Countries that Beat India | 0 | - | 4.41 | 62,588 |
| Hindu Countries | 0 | - | 4.85 | 49,579 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,577 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,482 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,851 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,893 |
| The Trojan War | 0 | - | 4.83 | 39,428 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,887 |
| Name that Greek Letter | 0 | - | 4.94 | 321,663 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,535 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,045 |
| Roman Emperors | 0 | - | 4.95 | 118,486 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,675 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,107 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,635 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,159 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,462 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,263 |
| 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 | 69,216 |
| History of Egypt | 0 | - | 4.58 | 23,932 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 55,804 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,391 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,132 |
| Cyprus Country Quiz | 0 | - | 4.61 | 30,876 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,760 |
| Countries that Beat China | 0 | - | 4.86 | 114,707 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,549 |
| The Life of Gandhi | 0 | - | 4.37 | 13,018 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,352 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,945 |
| 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 | 36,078 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,346 |
| History of Russia Quiz | 0 | - | 4.49 | 31,794 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,094 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,114 |
| Ancient Greek Words | 0 | - | 4.92 | 110,691 |
| History of Italy | 0 | - | 4.55 | 31,814 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,482 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,981 |
| Geography of Spain | 0 | - | 4.59 | 21,965 |
| 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 | 70,833 |
| Asian Island Nations | 0 | - | 4.63 | 93,754 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,283 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,792 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,682 |
| Arab Spring Countries | 0 | - | 4.51 | 43,822 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,809 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,700 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,696 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,668 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,530 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,725 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,554 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,853 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,254 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,472 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,542 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,616 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,958 |
| Asian Islands | 0 | - | 4.49 | 20,764 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,829 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,394 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,162 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,564 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,076 |
