| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,037 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,548 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,649 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,715 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,349 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,179 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,625 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,721 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,445 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,056 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,046 |
| Asia Map Quiz | 0 | - | 4.99 | 924,413 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,435 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,854 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,907 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,997 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,544 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,492 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,153 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,433 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,403 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,405 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,751 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,466 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,836 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,089 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,732 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,253 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,007 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,480 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,535 |
| Countries of the Middle East | 0 | - | 4.96 | 202,482 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,079 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,607 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,273 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,162 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,667 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,765 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,922 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,763 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,717 |
| Monarchies of Asia | 0 | - | 4.97 | 71,470 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,249 |
| History of Iran | 0 | - | 4.66 | 16,417 |
| Provinces of Turkey | 0 | - | 4.95 | 205,741 |
| Thailand Country Quiz | 0 | - | 4.51 | 53,653 |
| Provinces of China | 0 | - | 4.97 | 207,639 |
| History of China | 0 | - | 4.35 | 57,537 |
| Japanese Prefectures | 0 | - | 4.98 | 138,827 |
| States of India | 0 | - | 4.95 | 195,669 |
| History of India | 0 | - | 4.62 | 21,506 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,129 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,883 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,867 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,447 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,723,328 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,700 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,864 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,733 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,599 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,759 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,743 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,985 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,325 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,799 |
| Byzantine History | 0 | - | 4.91 | 29,011 |
| Byzantine Emperors | 0 | - | 4.93 | 14,565 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,650 |
| Name the English Monarchs | 0 | - | 4.91 | 506,036 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,948 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,709 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,902 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,664 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,606 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,686 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,694 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,027 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,067 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,862 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,845 |
| Geography of Egypt | 0 | - | 4.60 | 21,598 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,715 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,751 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,095 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,060 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,747 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,990 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,995 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,340 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,156 |
| Geography of China | 0 | - | 4.21 | 14,011 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,828 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,603 |
| Chinese Inventions | 0 | - | 4.30 | 33,854 |
| Countries that Border China | 0 | - | 4.96 | 264,162 |
| Japan Country Quiz | 0 | - | 4.93 | 143,248 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,805 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,489 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,145 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,300 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,702 |
| States of India Map Quiz | 0 | - | 4.84 | 26,848 |
| Countries Bordering India | 0 | - | 4.98 | 163,785 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,639 |
| Countries Closest to India | 0 | - | 4.97 | 103,188 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,545 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,949 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,337 |
| Name a Valid African Country | 0 | - | 4.98 | 154,953 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,564 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,383 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,938 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,528 |
| The Trojan War | 0 | - | 4.83 | 39,962 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,495 |
| Name that Greek Letter | 0 | - | 4.93 | 324,866 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,853 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,554 |
| Roman Emperors | 0 | - | 4.95 | 121,091 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,823 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,013 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,020 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,783 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,099 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,154 |
| History of Egypt | 0 | - | 4.58 | 24,095 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,905 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,576 |
| Oman Country Quiz | 0 | - | 4.86 | 27,068 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,442 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,067 |
| Countries that Beat China | 0 | - | 4.85 | 116,667 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,350 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,214 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,661 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,330 |
| Countries that Beat India | 0 | - | 4.42 | 63,301 |
| Hindu Countries | 0 | - | 4.87 | 50,549 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,597 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,380 |
| Names of Generations | 0 | - | 4.09 | 45,478 |
| American History Quotes #1 | 0 | - | 4.37 | 96,187 |
| American History Quotes #2 | 0 | - | 4.38 | 41,500 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,580 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,328 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,252 |
| History of Russia Quiz | 0 | - | 4.47 | 31,998 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,328 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,487 |
| Ancient Greek Words | 0 | - | 4.93 | 112,383 |
| History of Italy | 0 | - | 4.55 | 32,137 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,809 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,197 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,412 |
| Geography of Spain | 0 | - | 4.59 | 22,170 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,074 |
| Asian Physical Geography | 0 | - | 4.61 | 35,616 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,200 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,563 |
| Asian Island Nations | 0 | - | 4.63 | 94,440 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,099 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,671 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,131 |
| Arab Spring Countries | 0 | - | 4.51 | 44,220 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,210 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,957 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,527 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,967 |
| The Life of Gandhi | 0 | - | 4.37 | 13,075 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,529 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,730 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,308 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,442 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,654 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,137 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,428 |
| German Groups of Things | 0 | - | 4.47 | 38,622 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,539 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,484 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,755 |
| Asian Islands | 0 | - | 4.49 | 20,902 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,402 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,016 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,619 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,155 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,613 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,545 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,429 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,183 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,795 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.46 | 54,926 |
| Random Asian City to Country | 0 | - | 4.56 | 44,608 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,271 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,245 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,316 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,905 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,966 |
| The Vietnam War | 0 | - | 4.44 | 35,641 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,573 |