| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,374 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,912 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,333 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,332 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,159 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,736 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,577 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,065 |
| Syria Country Quiz | 0 | - | 4.81 | 32,332 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,464 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,520 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,793 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,855 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,499 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,235 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,569 |
| Asia Map Quiz | 0 | - | 4.99 | 907,153 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,298 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,044 |
| Oman Country Quiz | 0 | - | 4.86 | 26,686 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,416 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,191 |
| Byzantine History | 0 | - | 4.91 | 28,625 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,489 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,993 |
| Geography of Egypt | 0 | - | 4.60 | 21,416 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,555 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,958 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,689 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,602 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,102 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,811 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,995 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,622 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,949 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,989 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,361 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,782 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,433 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,267 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,734 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,505 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,700 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,786 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,168 |
| Countries of the Middle East | 0 | - | 4.96 | 198,955 |
| States of India | 0 | - | 4.94 | 190,160 |
| History of India | 0 | - | 4.61 | 21,288 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,969 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,128 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,005 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,068 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,424 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,435 |
| Flags of the Middle East | 0 | - | 4.69 | 62,334 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| Iran Country Quiz | 0 | - | 4.53 | 59,926 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,693 |
| Turkey Country Quiz | 0 | - | 4.42 | 75,011 |
| Provinces of Turkey | 0 | - | 4.95 | 201,083 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,974 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,670 |
| Provinces of China | 0 | - | 4.97 | 200,173 |
| History of China | 0 | - | 4.37 | 56,696 |
| Japanese Prefectures | 0 | - | 4.98 | 134,631 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,225 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,794 |
| States of India Map Quiz | 0 | - | 4.82 | 26,044 |
| Countries Bordering India | 0 | - | 4.98 | 162,610 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,180 |
| Countries Closest to India | 0 | - | 4.97 | 102,214 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,782 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,339 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,108 |
| Name a Valid African Country | 0 | - | 4.98 | 152,953 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,980 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,200 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,473 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,186 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,655,179 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,274 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,402 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,586 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,247 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,199 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,986 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,855 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,273 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,310 |
| Name the English Monarchs | 0 | - | 4.92 | 498,008 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,515 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,504 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,288 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,161 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,493 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,986 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,360 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,287 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,028 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,386 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,315 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,900 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,811 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,975 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,514 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,091 |
| Geography of China | 0 | - | 4.21 | 13,874 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,074 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,788 |
| Chinese Inventions | 0 | - | 4.30 | 33,724 |
| Countries that Border China | 0 | - | 4.96 | 261,836 |
| Japan Country Quiz | 0 | - | 4.92 | 141,281 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,944 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,710 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,921 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,818 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,143 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 31,913 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,017 |
| Countries that Beat India | 0 | - | 4.41 | 62,595 |
| Hindu Countries | 0 | - | 4.86 | 49,594 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,591 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,487 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,860 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,912 |
| The Trojan War | 0 | - | 4.83 | 39,436 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,009 |
| Name that Greek Letter | 0 | - | 4.94 | 321,706 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,551 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,058 |
| Roman Emperors | 0 | - | 4.95 | 118,502 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,686 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,122 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,717 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,167 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,464 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,273 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,718 |
| Bahrain Country Quiz | 0 | - | 4.68 | 21,547 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,223 |
| History of Egypt | 0 | - | 4.58 | 23,937 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 55,809 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,398 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,142 |
| Cyprus Country Quiz | 0 | - | 4.61 | 30,879 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,761 |
| Countries that Beat China | 0 | - | 4.86 | 114,732 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,555 |
| The Life of Gandhi | 0 | - | 4.37 | 13,018 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,368 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,951 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,875 |
| American History Quotes #1 | 0 | - | 4.37 | 95,695 |
| American History Quotes #2 | 0 | - | 4.38 | 41,227 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,245 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,078 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,402 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,095 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,266 |
| Ancient Greek Words | 0 | - | 4.92 | 110,713 |
| History of Italy | 0 | - | 4.55 | 31,819 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,486 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,984 |
| Geography of Spain | 0 | - | 4.59 | 21,967 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,426 |
| Asian Physical Geography | 0 | - | 4.61 | 35,371 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,930 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,839 |
| Asian Island Nations | 0 | - | 4.63 | 93,757 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,291 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,848 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,697 |
| Arab Spring Countries | 0 | - | 4.51 | 43,827 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,821 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,704 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,703 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,694 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,555 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,796 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,600 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,881 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,828 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,581 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,602 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,624 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,973 |
| Asian Islands | 0 | - | 4.49 | 20,765 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,834 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,399 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,169 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,571 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,082 |
