| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,973 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,251 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,718 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,301 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,300 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,138 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,560 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,443 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,938 |
| Countries Bordering India | 0 | - | 4.98 | 162,539 |
| Countries Closest to India | 0 | - | 4.96 | 102,146 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,490 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,129 |
| Hindu Countries | 0 | - | 4.85 | 49,448 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,851 |
| Asia Map Quiz | 0 | - | 4.99 | 905,855 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,119 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,318 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,829 |
| Countries that Beat India | 0 | - | 4.41 | 62,541 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,632 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,552 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,785 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,961 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,582 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,908 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,948 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,267 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,676 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,135 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,593 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,363 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,596 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,609 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,020 |
| Countries of the Middle East | 0 | - | 4.96 | 198,710 |
| States of India | 0 | - | 4.94 | 189,694 |
| History of India | 0 | - | 4.61 | 21,265 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,776 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,300 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,243 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,994 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,483 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,929 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,931 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,293 |
| Monarchies of Asia | 0 | - | 4.97 | 70,540 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,379 |
| History of Iran | 0 | - | 4.65 | 16,258 |
| Provinces of Turkey | 0 | - | 4.95 | 199,938 |
| Provinces of China | 0 | - | 4.97 | 199,723 |
| History of China | 0 | - | 4.37 | 56,645 |
| Japanese Prefectures | 0 | - | 4.98 | 134,294 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,128 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,723 |
| States of India Map Quiz | 0 | - | 4.82 | 25,987 |
| Countries that Visit India the Most | 0 | - | 4.73 | 60,097 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,710 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,285 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,976 |
| Name a Valid African Country | 0 | - | 4.98 | 152,820 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,968 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,172 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,454 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,029 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,866 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,129 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,369 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,098 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,234 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,981 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,914 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,857 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,297 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,038 |
| Byzantine History | 0 | - | 4.91 | 28,583 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,114 |
| Name the English Monarchs | 0 | - | 4.92 | 497,406 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,484 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,451 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,078 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,104 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,481 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,945 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,725 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,782 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,202 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,335 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 16,996 |
| Geography of Egypt | 0 | - | 4.60 | 21,394 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,142 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,280 |
| Syria Country Quiz | 0 | - | 4.81 | 32,265 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,821 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,378 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,730 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,881 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,452 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,017 |
| Geography of China | 0 | - | 4.24 | 13,865 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,904 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,695 |
| Chinese Inventions | 0 | - | 4.30 | 33,711 |
| Countries that Border China | 0 | - | 4.96 | 261,689 |
| Japan Country Quiz | 0 | - | 4.92 | 141,119 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,879 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,657 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,837 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,729 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,121 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 30,357 |
| Bhutan Country Quiz | 0 | - | 4.87 | 23,992 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,390 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,409 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,786 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,778 |
| The Trojan War | 0 | - | 4.83 | 39,398 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,207 |
| Name that Greek Letter | 0 | - | 4.94 | 321,442 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,356 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,977 |
| Roman Emperors | 0 | - | 4.95 | 118,293 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,595 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,040 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,130 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,113 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,424 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,197 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,261 |
| History of Egypt | 0 | - | 4.58 | 23,928 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,985 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,064 |
| Oman Country Quiz | 0 | - | 4.86 | 26,650 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,384 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,743 |
| Countries that Beat China | 0 | - | 4.86 | 114,601 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,504 |
| The Life of Gandhi | 0 | - | 4.37 | 13,014 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,219 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,892 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,835 |
| American History Quotes #1 | 0 | - | 4.37 | 95,657 |
| American History Quotes #2 | 0 | - | 4.38 | 41,214 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,219 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,062 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,018 |
| History of Russia Quiz | 0 | - | 4.49 | 31,772 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,082 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,805 |
| Ancient Greek Words | 0 | - | 4.92 | 110,551 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,464 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,282 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,961 |
| Geography of Spain | 0 | - | 4.59 | 21,942 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,356 |
| Asian Physical Geography | 0 | - | 4.61 | 35,360 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,900 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,800 |
| Asian Island Nations | 0 | - | 4.63 | 93,702 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,232 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,468 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,650 |
| Arab Spring Countries | 0 | - | 4.51 | 43,786 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,683 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,486 |
| Countries that Beat Egypt | 0 | - | 4.87 | 56,541 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,637 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,901 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,346 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,270 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,352 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,607 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,562 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,078 |
| German Groups of Things | 0 | - | 4.46 | 38,290 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,119 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,549 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,861 |
| Asian Islands | 0 | - | 4.49 | 20,762 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,774 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,348 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,112 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,521 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,023 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,930 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,070 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,876 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,787 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,617 |
| Random Asian City to Country | 0 | - | 4.56 | 44,379 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,657 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,423 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,128 |
| The Vietnam War | 0 | - | 4.43 | 35,277 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,148 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,869 |
