| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,358 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,118 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,617 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,887 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,504 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,619 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,685 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,332 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,782 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,454 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,575 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,339 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| Countries that Border China | 0 | - | 4.96 | 263,982 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,722 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,424 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,053 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,617 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,580 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,437 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,113 |
| Asia Map Quiz | 0 | - | 4.99 | 923,100 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,333 |
| Countries that Beat China | 0 | - | 4.85 | 116,521 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,248 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,281 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,816 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,312 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,690 |
| Geography of China | 0 | - | 4.21 | 14,002 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,453 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,105 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,403 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,366 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,341 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,622 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,356 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,721 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,994 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,574 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,116 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,898 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,264 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,421 |
| Countries of the Middle East | 0 | - | 4.96 | 202,278 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,060 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,510 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,295 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,140 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,466 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,435 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,092 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,698 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,498 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,629 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,748 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,614 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,471 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,881 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,600 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,634 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,767 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,641 |
| Monarchies of Asia | 0 | - | 4.97 | 71,389 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,190 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,620 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,656 |
| History of Iran | 0 | - | 4.66 | 16,405 |
| Provinces of Turkey | 0 | - | 4.94 | 205,425 |
| Geography of Egypt | 0 | - | 4.60 | 21,584 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,010 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,649 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,911 |
| Provinces of China | 0 | - | 4.97 | 207,027 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,729 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,438 |
| History of China | 0 | - | 4.35 | 57,471 |
| Japanese Prefectures | 0 | - | 4.98 | 138,486 |
| Japan Country Quiz | 0 | - | 4.93 | 143,106 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,221 |
| States of India | 0 | - | 4.95 | 195,217 |
| History of India | 0 | - | 4.62 | 21,489 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,492 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,914 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,945 |
| Name a Valid African Country | 0 | - | 4.98 | 154,803 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,116 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,428 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,821 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,992 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,572 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,332 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,829 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,694 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,801 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,732 |
| Name that Greek Letter | 0 | - | 4.93 | 324,675 |
| Byzantine History | 0 | - | 4.91 | 28,989 |
| Byzantine Emperors | 0 | - | 4.92 | 14,504 |
| Name the English Monarchs | 0 | - | 4.91 | 505,428 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,404 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,920 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,613 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,601 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,936 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,995 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,782 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,772 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,572 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,546 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,718 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,992 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,919 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,286 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,067 |
| Chinese Inventions | 0 | - | 4.30 | 33,845 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,742 |
| China Multiple Choice | 0 | - | 4.50 | 37,377 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,817 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,579 |
| States of India Map Quiz | 0 | - | 4.84 | 26,804 |
| Countries Bordering India | 0 | - | 4.98 | 163,719 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,600 |
| Countries that Beat India | 0 | - | 4.42 | 63,236 |
| Countries Closest to India | 0 | - | 4.97 | 103,112 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,336 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,563 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,812 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,397 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| The Trojan War | 0 | - | 4.83 | 39,933 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,683 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,486 |
| Roman Emperors | 0 | - | 4.95 | 120,901 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,146 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,731 |
| Geography of Spain | 0 | - | 4.59 | 22,150 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,927 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,732 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,057 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,101 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,046 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,096 |
| History of Egypt | 0 | - | 4.58 | 24,088 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,456 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,837 |
| Oman Country Quiz | 0 | - | 4.86 | 27,037 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,044 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,746 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,790 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,312 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,418 |
| Hindu Countries | 0 | - | 4.87 | 50,472 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,557 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,345 |
| Names of Generations | 0 | - | 4.09 | 45,394 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,977 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,135 |
| American History Quotes #1 | 0 | - | 4.37 | 96,168 |
| American History Quotes #2 | 0 | - | 4.38 | 41,484 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,315 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,723 |
| History of Russia Quiz | 0 | - | 4.47 | 31,986 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,992 |
| Ancient Greek Words | 0 | - | 4.93 | 112,248 |
| History of Italy | 0 | - | 4.55 | 32,110 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,077 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,414 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,783 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,381 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,041 |
| Asian Physical Geography | 0 | - | 4.61 | 35,596 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,177 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,506 |
| Asian Island Nations | 0 | - | 4.63 | 94,401 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,049 |
| Arab Spring Countries | 0 | - | 4.51 | 44,183 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,199 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,934 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,542 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,890 |
| The Vietnam War | 0 | - | 4.44 | 35,623 |
| The Life of Gandhi | 0 | - | 4.37 | 13,070 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,668 |
| History of South Africa | 0 | - | 4.60 | 17,743 |
| Word Chain - Australia | 0 | - | 4.38 | 38,217 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,670 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,355 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,877 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 29,007 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,913 |
| History of Austria | 0 | - | 4.70 | 17,952 |
| Geography of the French Empire | 0 | - | 4.45 | 27,194 |
| The French Revolution | 0 | - | 4.47 | 24,111 |
| History of France | 0 | - | 4.61 | 57,468 |
| German Groups of Things | 0 | - | 4.47 | 38,596 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,542 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,377 |
| The Vikings! | 0 | - | 4.46 | 28,392 |
| The Portuguese Empire | 0 | - | 4.58 | 12,095 |
