| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,367 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,419 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,983 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,528 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,578 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,267 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,200 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,942 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,130 |
| Syria Country Quiz | 0 | - | 4.81 | 32,822 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,820 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,171 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,815 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,373 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,462 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,250 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 120,371 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,037 |
| Asia Map Quiz | 0 | - | 4.99 | 918,061 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,560 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,602 |
| Oman Country Quiz | 0 | - | 4.86 | 26,943 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,042 |
| Byzantine History | 0 | - | 4.91 | 28,894 |
| Byzantine Emperors | 0 | - | 4.92 | 14,280 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,114 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,996 |
| Geography of Egypt | 0 | - | 4.60 | 21,539 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,119 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,835 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,750 |
| Countries that Beat Egypt | 0 | - | 4.88 | 57,074 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,418 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,984 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,318 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,980 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,267 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,268 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,123 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,319 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,861 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,268 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,104 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,048 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,626 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,555 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,579 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,032 |
| Countries of the Middle East | 0 | - | 4.96 | 201,384 |
| States of India | 0 | - | 4.95 | 193,786 |
| History of India | 0 | - | 4.62 | 21,445 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,208 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,579 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,784 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,884 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,185 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,578 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,127 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,312 |
| Monarchies of Asia | 0 | - | 4.97 | 71,151 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,957 |
| Flags of the Middle East | 0 | - | 4.69 | 62,665 |
| History of Iran | 0 | - | 4.66 | 16,365 |
| Iran Country Quiz | 0 | - | 4.49 | 60,413 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,974 |
| Turkey Country Quiz | 0 | - | 4.42 | 75,804 |
| Provinces of Turkey | 0 | - | 4.95 | 204,437 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 35,272 |
| Lebanon Country Quiz | 0 | - | 4.56 | 36,019 |
| Provinces of China | 0 | - | 4.97 | 205,053 |
| History of China | 0 | - | 4.37 | 57,259 |
| Japanese Prefectures | 0 | - | 4.98 | 137,294 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,929 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,399 |
| States of India Map Quiz | 0 | - | 4.83 | 26,569 |
| Countries Bordering India | 0 | - | 4.98 | 163,470 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,483 |
| Countries Closest to India | 0 | - | 4.97 | 102,875 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,299 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,773 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,469 |
| Name a Valid African Country | 0 | - | 4.98 | 154,229 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,061 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,373 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,591 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,687 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,703,973 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,939 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,715 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,533 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,609 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,128 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,361 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,219 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,559 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,883 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,811 |
| Name the English Monarchs | 0 | - | 4.91 | 503,378 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,810 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,044 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,347 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,500 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,574 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,433 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,173 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,709 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,555 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,605 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,653 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,587 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,640 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,062 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,621 |
| Geography of China | 0 | - | 4.21 | 13,966 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,341 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,817 |
| Chinese Inventions | 0 | - | 4.30 | 33,811 |
| Countries that Border China | 0 | - | 4.96 | 263,351 |
| Japan Country Quiz | 0 | - | 4.93 | 142,622 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,512 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,211 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,733 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,491 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,408 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,244 |
| Countries that Beat India | 0 | - | 4.42 | 63,071 |
| Hindu Countries | 0 | - | 4.86 | 50,232 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,662 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,125 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,208 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,959 |
| The Trojan War | 0 | - | 4.83 | 39,770 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,213 |
| Name that Greek Letter | 0 | - | 4.93 | 324,010 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,030 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,599 |
| Roman Emperors | 0 | - | 4.95 | 120,236 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,428 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,678 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,586 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,581 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,877 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,898 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,903 |
| Bahrain Country Quiz | 0 | - | 4.69 | 21,740 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,009 |
| History of Egypt | 0 | - | 4.58 | 24,041 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 56,109 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,609 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,450 |
| Cyprus Country Quiz | 0 | - | 4.61 | 31,085 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,962 |
| Countries that Beat China | 0 | - | 4.85 | 116,002 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,083 |
| The Life of Gandhi | 0 | - | 4.37 | 13,058 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,129 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,502 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,227 |
| Names of Generations | 0 | - | 4.09 | 45,074 |
| American History Quotes #1 | 0 | - | 4.37 | 96,068 |
| American History Quotes #2 | 0 | - | 4.38 | 41,426 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,486 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,263 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,063 |
| History of Russia Quiz | 0 | - | 4.47 | 31,941 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,248 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,415 |
| Ancient Greek Words | 0 | - | 4.93 | 111,770 |
| History of Italy | 0 | - | 4.55 | 32,027 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,698 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,942 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,273 |
| Geography of Spain | 0 | - | 4.59 | 22,091 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,913 |
| Asian Physical Geography | 0 | - | 4.61 | 35,545 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,113 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,252 |
| Asian Island Nations | 0 | - | 4.63 | 94,233 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,827 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,584 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,003 |
| Arab Spring Countries | 0 | - | 4.51 | 44,068 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,828 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,153 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,841 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,853 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,147 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,157 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,390 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,430 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,793 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,086 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,094 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,198 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,112 |
| German Groups of Things | 0 | - | 4.46 | 38,496 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,575 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,212 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,347 |
| Asian Islands | 0 | - | 4.49 | 20,852 |