| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,385 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,515 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,064 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,547 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,598 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,281 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,314 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,058 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,200 |
| Countries Bordering India | 0 | - | 4.98 | 163,544 |
| Countries Closest to India | 0 | - | 4.97 | 102,929 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,516 |
| Hindu Countries | 0 | - | 4.86 | 50,290 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,582 |
| Asia Map Quiz | 0 | - | 4.99 | 919,213 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,088 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,239 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,701 |
| Countries that Beat India | 0 | - | 4.42 | 63,095 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,490 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,629 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,995 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,344 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,004 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,290 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,287 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,174 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,385 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,991 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,349 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,211 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,201 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,749 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,629 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,723 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,086 |
| Countries of the Middle East | 0 | - | 4.96 | 201,617 |
| States of India | 0 | - | 4.95 | 194,026 |
| History of India | 0 | - | 4.62 | 21,450 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,261 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,701 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,235 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,051 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,291 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,671 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,231 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,372 |
| Monarchies of Asia | 0 | - | 4.97 | 71,204 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,004 |
| History of Iran | 0 | - | 4.66 | 16,373 |
| Provinces of Turkey | 0 | - | 4.95 | 204,597 |
| Provinces of China | 0 | - | 4.97 | 205,528 |
| History of China | 0 | - | 4.37 | 57,307 |
| Japanese Prefectures | 0 | - | 4.98 | 137,530 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,006 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,453 |
| States of India Map Quiz | 0 | - | 4.83 | 26,589 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,940 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,340 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,807 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,572 |
| Name a Valid African Country | 0 | - | 4.98 | 154,323 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,073 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,386 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,599 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,806 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,707,159 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,046 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,742 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,566 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,844 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,320 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,573 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,334 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,906 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,000 |
| Byzantine History | 0 | - | 4.91 | 28,913 |
| Byzantine Emperors | 0 | - | 4.92 | 14,349 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,950 |
| Name the English Monarchs | 0 | - | 4.91 | 503,795 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,827 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,097 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,441 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,519 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,579 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,492 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,642 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,706 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,549 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,501 |
| Geography of Egypt | 0 | - | 4.60 | 21,555 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 131,813 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,628 |
| Syria Country Quiz | 0 | - | 4.81 | 32,879 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,712 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,879 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,381 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,678 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,694 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,116 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,862 |
| Geography of China | 0 | - | 4.21 | 13,975 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,410 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,875 |
| Chinese Inventions | 0 | - | 4.30 | 33,821 |
| Countries that Border China | 0 | - | 4.96 | 263,520 |
| Japan Country Quiz | 0 | - | 4.93 | 142,708 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,552 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,256 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,801 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,559 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,432 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,262 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,443 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,788 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,181 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,450 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,040 |
| The Trojan War | 0 | - | 4.83 | 39,793 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,705 |
| Name that Greek Letter | 0 | - | 4.93 | 324,121 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,204 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,640 |
| Roman Emperors | 0 | - | 4.95 | 120,365 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,495 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,735 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,941 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,611 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,920 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,947 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,585 |
| History of Egypt | 0 | - | 4.58 | 24,058 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,644 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,453 |
| Oman Country Quiz | 0 | - | 4.86 | 26,965 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,979 |
| Countries that Beat China | 0 | - | 4.85 | 116,089 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,118 |
| The Life of Gandhi | 0 | - | 4.37 | 13,062 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,189 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,538 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,249 |
| Names of Generations | 0 | - | 4.09 | 45,165 |
| American History Quotes #1 | 0 | - | 4.37 | 96,097 |
| American History Quotes #2 | 0 | - | 4.38 | 41,440 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,503 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,273 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,474 |
| History of Russia Quiz | 0 | - | 4.47 | 31,946 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,258 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,760 |
| Ancient Greek Words | 0 | - | 4.93 | 111,880 |
| History of Italy | 0 | - | 4.55 | 32,048 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,716 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,975 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,292 |
| Geography of Spain | 0 | - | 4.59 | 22,101 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,948 |
| Asian Physical Geography | 0 | - | 4.61 | 35,560 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,130 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,280 |
| Asian Island Nations | 0 | - | 4.63 | 94,270 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,873 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,915 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,022 |
| Arab Spring Countries | 0 | - | 4.51 | 44,094 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,161 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,870 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,189 |
| Countries that Beat Egypt | 0 | - | 4.88 | 57,116 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,178 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,468 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,558 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,987 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,261 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,540 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,922 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,471 |
| German Groups of Things | 0 | - | 4.46 | 38,519 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,881 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,266 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,420 |
| Asian Islands | 0 | - | 4.49 | 20,860 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,245 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,823 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,488 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,000 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,450 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,650 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,335 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,115 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,534 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,840 |
| Random Asian City to Country | 0 | - | 4.56 | 44,560 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,119 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,015 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,091 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,862 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,327 |
