| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,459 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,143 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,589 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,665 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,740 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,366 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,407 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,769 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,822 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,577 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Countries that Border China | 0 | - | 4.96 | 264,348 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,869 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,554 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,226 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,686 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,753 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,726 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,578 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,737 |
| Asia Map Quiz | 0 | - | 4.99 | 925,558 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,500 |
| Countries that Beat China | 0 | - | 4.85 | 116,784 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,287 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,475 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,396 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,084 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,755 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,997 |
| Geography of China | 0 | - | 4.21 | 14,024 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,536 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,198 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,472 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,437 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,473 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,853 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,594 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,965 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,200 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,868 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,356 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,117 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,698 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,645 |
| Countries of the Middle East | 0 | - | 4.96 | 203,021 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,099 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,597 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,983 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,994 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,007 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,420 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,589 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,846 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,894 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,792 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,939 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,621 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,835 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,065 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,909 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,773 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,026 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,801 |
| Monarchies of Asia | 0 | - | 4.97 | 71,527 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,304 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,735 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,733 |
| History of Iran | 0 | - | 4.66 | 16,425 |
| Provinces of Turkey | 0 | - | 4.95 | 206,029 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,896 |
| Geography of Egypt | 0 | - | 4.60 | 21,619 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,097 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,848 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,065 |
| Provinces of China | 0 | - | 4.97 | 208,190 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,928 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,687 |
| History of China | 0 | - | 4.35 | 57,601 |
| Japanese Prefectures | 0 | - | 4.98 | 139,126 |
| Japan Country Quiz | 0 | - | 4.93 | 143,387 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,363 |
| States of India | 0 | - | 4.94 | 196,016 |
| History of India | 0 | - | 4.62 | 21,519 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,600 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,988 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,470 |
| Name a Valid African Country | 0 | - | 4.98 | 155,085 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,138 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,197 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,914 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,727,221 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,827 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,432 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,905 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,763 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,125 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,203 |
| Name that Greek Letter | 0 | - | 4.93 | 325,066 |
| Byzantine History | 0 | - | 4.91 | 29,030 |
| Byzantine Emperors | 0 | - | 4.93 | 14,615 |
| Name the English Monarchs | 0 | - | 4.91 | 506,762 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,504 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,702 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,612 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,082 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,124 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,936 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,913 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,823 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,610 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,793 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,173 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,078 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,403 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,204 |
| Chinese Inventions | 0 | - | 4.30 | 33,865 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,789 |
| China Multiple Choice | 0 | - | 4.50 | 37,421 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,956 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,747 |
| States of India Map Quiz | 0 | - | 4.84 | 26,903 |
| Countries Bordering India | 0 | - | 4.98 | 163,833 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,670 |
| Countries that Beat India | 0 | - | 4.42 | 63,340 |
| Countries Closest to India | 0 | - | 4.97 | 103,253 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,722 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,593 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,029 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,643 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| The Trojan War | 0 | - | 4.83 | 40,005 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,018 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,266 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,247 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,899 |
| Geography of Spain | 0 | - | 4.59 | 22,189 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,077 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,827 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,935 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,150 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,137 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,199 |
| History of Egypt | 0 | - | 4.58 | 24,105 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,611 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,961 |
| Oman Country Quiz | 0 | - | 4.86 | 27,096 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,081 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,863 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,998 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,353 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,601 |
| Hindu Countries | 0 | - | 4.87 | 50,599 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,630 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,427 |
| Names of Generations | 0 | - | 4.09 | 45,544 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,614 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,681 |
| American History Quotes #1 | 0 | - | 4.37 | 96,211 |
| American History Quotes #2 | 0 | - | 4.38 | 41,512 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,348 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,622 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,902 |
| Ancient Greek Words | 0 | - | 4.93 | 112,523 |
| History of Italy | 0 | - | 4.55 | 32,158 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,949 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,530 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,829 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,430 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,107 |
| Asian Physical Geography | 0 | - | 4.61 | 35,624 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,214 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,616 |
| Asian Island Nations | 0 | - | 4.63 | 94,477 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,148 |
| Arab Spring Countries | 0 | - | 4.51 | 44,258 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,227 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,975 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,105 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,917 |
| The Vietnam War | 0 | - | 4.44 | 35,662 |
| The Life of Gandhi | 0 | - | 4.37 | 13,081 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,780 |
| History of South Africa | 0 | - | 4.60 | 17,766 |
| Word Chain - Australia | 0 | - | 4.38 | 38,248 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,757 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,861 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,895 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,605 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,452 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 29,082 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,907 |
| History of Austria | 0 | - | 4.70 | 17,977 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,150 |
| History of France | 0 | - | 4.61 | 57,650 |
| German Groups of Things | 0 | - | 4.47 | 38,644 |
