| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,125 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,237 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,054 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,697 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,299 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,294 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,136 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,538 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,426 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,925 |
| Syria Country Quiz | 0 | - | 4.81 | 32,257 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,363 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,482 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,714 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,771 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,325 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,931 |
| Asia Map Quiz | 0 | - | 4.99 | 905,631 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,256 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,982 |
| Oman Country Quiz | 0 | - | 4.86 | 26,649 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,378 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,112 |
| Byzantine History | 0 | - | 4.91 | 28,579 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,280 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,496 |
| Geography of Egypt | 0 | - | 4.60 | 21,392 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,480 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,493 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,401 |
| Countries that Beat Egypt | 0 | - | 4.87 | 56,529 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 55,748 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,784 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,958 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,570 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,906 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,945 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,667 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,314 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,577 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,348 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,587 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,005 |
| Countries of the Middle East | 0 | - | 4.96 | 198,683 |
| States of India | 0 | - | 4.94 | 189,656 |
| History of India | 0 | - | 4.61 | 21,263 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,246 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,749 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,976 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,924 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,902 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,273 |
| Monarchies of Asia | 0 | - | 4.97 | 70,531 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| Flags of the Middle East | 0 | - | 4.69 | 62,276 |
| History of Iran | 0 | - | 4.65 | 16,256 |
| Iran Country Quiz | 0 | - | 4.53 | 59,855 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,642 |
| Turkey Country Quiz | 0 | - | 4.41 | 74,779 |
| Provinces of Turkey | 0 | - | 4.95 | 199,892 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,940 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,604 |
| Provinces of China | 0 | - | 4.97 | 199,664 |
| History of China | 0 | - | 4.37 | 56,636 |
| Japanese Prefectures | 0 | - | 4.98 | 134,253 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,714 |
| States of India Map Quiz | 0 | - | 4.82 | 25,983 |
| Countries Bordering India | 0 | - | 4.98 | 162,532 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,125 |
| Countries Closest to India | 0 | - | 4.96 | 102,137 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,283 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,953 |
| Name a Valid African Country | 0 | - | 4.98 | 152,796 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,965 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,169 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,449 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,020 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,183 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,112 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,364 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,090 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,188 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,944 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,889 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,836 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,221 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 112,996 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,091 |
| Name the English Monarchs | 0 | - | 4.92 | 497,318 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,480 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,443 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,064 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,099 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,480 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,941 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,186 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,195 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 16,993 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,350 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,276 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,811 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,717 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,876 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,444 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,008 |
| Geography of China | 0 | - | 4.24 | 13,863 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,887 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,687 |
| Chinese Inventions | 0 | - | 4.30 | 33,711 |
| Countries that Border China | 0 | - | 4.96 | 261,661 |
| Japan Country Quiz | 0 | - | 4.92 | 141,102 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,865 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,648 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,821 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,723 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,113 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 30,089 |
| Bhutan Country Quiz | 0 | - | 4.87 | 23,990 |
| Countries that Beat India | 0 | - | 4.41 | 62,535 |
| Hindu Countries | 0 | - | 4.85 | 49,440 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,369 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,402 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,765 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,754 |
| The Trojan War | 0 | - | 4.83 | 39,392 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,119 |
| Name that Greek Letter | 0 | - | 4.94 | 321,412 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,327 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,955 |
| Roman Emperors | 0 | - | 4.95 | 118,270 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,584 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,037 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,020 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,107 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,421 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,179 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,688 |
| Bahrain Country Quiz | 0 | - | 4.68 | 21,522 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,121 |
| History of Egypt | 0 | - | 4.58 | 23,927 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,366 |
| Palestine Country Quiz | 0 | - | 4.07 | 36,079 |
| Cyprus Country Quiz | 0 | - | 4.61 | 30,842 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,738 |
| Countries that Beat China | 0 | - | 4.86 | 114,579 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,495 |
| The Life of Gandhi | 0 | - | 4.37 | 13,014 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,205 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,886 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,830 |
| American History Quotes #1 | 0 | - | 4.37 | 95,649 |
| American History Quotes #2 | 0 | - | 4.38 | 41,212 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,214 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,060 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,979 |
| History of Russia Quiz | 0 | - | 4.49 | 31,771 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,080 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,529 |
| Ancient Greek Words | 0 | - | 4.92 | 110,532 |
| History of Italy | 0 | - | 4.55 | 31,796 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,459 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,958 |
| Geography of Spain | 0 | - | 4.59 | 21,937 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,353 |
| Asian Physical Geography | 0 | - | 4.61 | 35,358 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,896 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,792 |
| Asian Island Nations | 0 | - | 4.63 | 93,692 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,220 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,410 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,644 |
| Arab Spring Countries | 0 | - | 4.51 | 43,782 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,670 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,682 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,655 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,626 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,899 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,316 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,225 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,315 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,580 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,957 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,018 |
| German Groups of Things | 0 | - | 4.46 | 38,287 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,062 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,541 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,848 |
| Asian Islands | 0 | - | 4.49 | 20,762 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,769 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,342 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,107 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,514 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,020 |
