| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,162 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,700 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,227 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,389 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,406 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,186 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,178 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,954 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,379 |
| Countries Bordering India | 0 | - | 4.98 | 163,145 |
| Countries Closest to India | 0 | - | 4.97 | 102,418 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,278 |
| Hindu Countries | 0 | - | 4.86 | 49,781 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,379 |
| Asia Map Quiz | 0 | - | 4.99 | 910,005 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,439 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,075 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,655 |
| Countries that Beat India | 0 | - | 4.41 | 62,706 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,653 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,203 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,873 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,098 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,742 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,044 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,090 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,708 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,760 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,129 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,669 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,525 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,174 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,880 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,945 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,423 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,415 |
| Countries of the Middle East | 0 | - | 4.96 | 199,671 |
| States of India | 0 | - | 4.94 | 191,373 |
| History of India | 0 | - | 4.61 | 21,331 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,661 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,416 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,765 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,868 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,415 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,155 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,408 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,714 |
| Monarchies of Asia | 0 | - | 4.97 | 70,776 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,579 |
| History of Iran | 0 | - | 4.66 | 16,298 |
| Provinces of Turkey | 0 | - | 4.95 | 202,641 |
| Provinces of China | 0 | - | 4.97 | 201,643 |
| History of China | 0 | - | 4.37 | 56,865 |
| Japanese Prefectures | 0 | - | 4.98 | 135,443 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,453 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,978 |
| States of India Map Quiz | 0 | - | 4.82 | 26,195 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,388 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,934 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,494 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,484 |
| Name a Valid African Country | 0 | - | 4.98 | 153,315 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,007 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,242 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,508 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,645 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,670,131 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,649 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,492 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,268 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,515 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,515 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,905 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,374 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,251 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,750 |
| Byzantine History | 0 | - | 4.91 | 28,678 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,725 |
| Name the English Monarchs | 0 | - | 4.92 | 499,634 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,583 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,646 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,611 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,261 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,512 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,122 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,973 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,021 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,620 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,735 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,066 |
| Geography of Egypt | 0 | - | 4.60 | 21,448 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,363 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,401 |
| Syria Country Quiz | 0 | - | 4.81 | 32,509 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,137 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,689 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,029 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,195 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,657 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,236 |
| Geography of China | 0 | - | 4.21 | 13,905 |
| China Cities Map Quiz | 0 | - | 4.93 | 104,552 |
| Provinces of China Map Quiz | 0 | - | 4.91 | 93,086 |
| Chinese Inventions | 0 | - | 4.30 | 33,746 |
| Countries that Border China | 0 | - | 4.96 | 262,358 |
| Japan Country Quiz | 0 | - | 4.92 | 141,779 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,132 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,869 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,161 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,027 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,214 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,098 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,228 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,035 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,681 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,074 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,185 |
| The Trojan War | 0 | - | 4.83 | 39,536 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,042 |
| Name that Greek Letter | 0 | - | 4.93 | 322,333 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,037 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,228 |
| Roman Emperors | 0 | - | 4.95 | 119,047 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,904 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,302 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,231 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,301 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,563 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,465 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,378 |
| History of Egypt | 0 | - | 4.58 | 23,974 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,207 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,194 |
| Oman Country Quiz | 0 | - | 4.86 | 26,773 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,530 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,823 |
| Countries that Beat China | 0 | - | 4.86 | 115,091 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,680 |
| The Life of Gandhi | 0 | - | 4.37 | 13,027 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,578 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,147 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,988 |
| American History Quotes #1 | 0 | - | 4.37 | 95,771 |
| American History Quotes #2 | 0 | - | 4.38 | 41,262 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,322 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,130 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,382 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,139 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,904 |
| Ancient Greek Words | 0 | - | 4.93 | 111,020 |
| History of Italy | 0 | - | 4.55 | 31,880 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,545 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Geography of Spain | 0 | - | 4.59 | 22,010 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,690 |
| Asian Physical Geography | 0 | - | 4.61 | 35,422 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,986 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,949 |
| Asian Island Nations | 0 | - | 4.63 | 93,902 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,475 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,670 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,827 |
| Arab Spring Countries | 0 | - | 4.51 | 43,898 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,761 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,712 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,733 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,843 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 57,235 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,210 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,702 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,194 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,509 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,489 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,694 |
| German Groups of Things | 0 | - | 4.46 | 38,368 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,819 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,787 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,767 |
| Asian Islands | 0 | - | 4.49 | 20,792 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,927 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,496 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,239 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,683 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,166 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,012 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,168 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,960 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,088 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,706 |
| Random Asian City to Country | 0 | - | 4.56 | 44,428 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,805 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,648 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,667 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,635 |
| The Vietnam War | 0 | - | 4.43 | 35,377 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,255 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,927 |
