| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,335 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,633 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,694 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,776 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,390 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,599 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,972 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,987 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,735 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,304 |
| Countries Bordering India | 0 | - | 4.98 | 163,912 |
| Countries Closest to India | 0 | - | 4.97 | 103,363 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,599 |
| Asia Map Quiz | 0 | - | 4.99 | 927,017 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,605 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,716 |
| Hindu Countries | 0 | - | 4.86 | 50,692 |
| Topological Map of Africa Quiz | 0 | - | 4.81 | 21,684 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,215 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,182 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,499 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,225 |
| Countries that Beat India | 0 | - | 4.42 | 63,414 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,583 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,254 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,523 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,476 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,524 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,965 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,768 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,101 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,359 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,062 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,529 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,257 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,946 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,824 |
| Countries of the Middle East | 0 | - | 4.96 | 203,333 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,119 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,800 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,601 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,148 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,051 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,054 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,132 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,111 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,918 |
| Monarchies of Asia | 0 | - | 4.97 | 71,629 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,373 |
| History of Iran | 0 | - | 4.66 | 16,442 |
| Provinces of Turkey | 0 | - | 4.95 | 206,378 |
| Provinces of China | 0 | - | 4.97 | 209,038 |
| History of China | 0 | - | 4.35 | 57,696 |
| Japanese Prefectures | 0 | - | 4.98 | 139,471 |
| States of India | 0 | - | 4.94 | 196,625 |
| History of India | 0 | - | 4.62 | 21,531 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,153 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,938 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,833 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,732,059 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,048 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,954 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,836 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,437 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,392 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,349 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,311 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,504 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,159 |
| Byzantine History | 0 | - | 4.91 | 29,058 |
| Byzantine Emperors | 0 | - | 4.93 | 14,665 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,081 |
| Name the English Monarchs | 0 | - | 4.91 | 507,520 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,027 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,826 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,181 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,764 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,627 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,799 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,769 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,173 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,226 |
| Countries Closest to Turkey | 0 | - | 4.96 | 127,056 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,992 |
| Geography of Egypt | 0 | - | 4.60 | 21,721 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,944 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,838 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,302 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,159 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,960 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,173 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,192 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,487 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,284 |
| Geography of China | 0 | - | 4.35 | 19,035 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,065 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,896 |
| Chinese Inventions | 0 | - | 4.30 | 33,877 |
| Countries that Border China | 0 | - | 4.96 | 264,587 |
| Japan Country Quiz | 0 | - | 4.93 | 143,563 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,965 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,654 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,930 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,458 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,857 |
| States of India Map Quiz | 0 | - | 4.85 | 26,980 |
| Countries that Visit India the Most | 0 | - | 4.74 | 61,374 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,661 |
| Nepal Country Quiz | 0 | - | 4.95 | 38,041 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,633 |
| Name a Valid African Country | 0 | - | 4.98 | 155,312 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,955 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,513 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,150 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,772 |
| The Trojan War | 0 | - | 4.83 | 40,100 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,174 |
| Name that Greek Letter | 0 | - | 4.93 | 325,357 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,290 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,711 |
| Roman Emperors | 0 | - | 4.95 | 121,474 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,020 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,172 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,301 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,884 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,187 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,286 |
| History of Egypt | 0 | - | 4.58 | 24,116 |
| Egypt Country Quiz | 0 | - | 4.82 | 78,036 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,663 |
| Oman Country Quiz | 0 | - | 4.86 | 27,127 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,112 |
| Countries that Beat China | 0 | - | 4.85 | 117,021 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,483 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,418 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,720 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,374 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,485 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,380 |
| Names of Generations | 0 | - | 4.09 | 45,611 |
| American History Quotes #1 | 0 | - | 4.37 | 96,256 |
| American History Quotes #2 | 0 | - | 4.38 | 41,540 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,637 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,370 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,172 |
| History of Russia Quiz | 0 | - | 4.47 | 32,030 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,463 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,589 |
| Ancient Greek Words | 0 | - | 4.93 | 112,708 |
| History of Italy | 0 | - | 4.55 | 32,189 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,857 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,313 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,475 |
| Geography of Spain | 0 | - | 4.59 | 22,297 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,150 |
| Asian Physical Geography | 0 | - | 4.61 | 35,644 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,238 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,692 |
| Asian Island Nations | 0 | - | 4.64 | 94,546 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,223 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 418,324 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,175 |
| Arab Spring Countries | 0 | - | 4.51 | 44,291 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,241 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,999 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,686 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,246 |
| The Life of Gandhi | 0 | - | 4.37 | 13,088 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,694 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,840 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,939 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,947 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,067 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,322 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,534 |
| German Groups of Things | 0 | - | 4.47 | 38,679 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,547 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,633 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,980 |
| Asian Islands | 0 | - | 4.49 | 20,922 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,539 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,157 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,725 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,289 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,732 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,079 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,491 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,238 |
| The Only Asian Country ... | 0 | - | 4.69 | 123,091 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.46 | 54,989 |
| Random Asian City to Country | 0 | - | 4.56 | 44,645 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,398 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,402 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,445 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,938 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,250 |
| The Vietnam War | 0 | - | 4.44 | 35,694 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,629 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,465 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,138 |
