| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,881 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,501 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,617 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,683 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,329 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,768 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,444 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,570 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,331 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,080 |
| Asia Map Quiz | 0 | - | 4.99 | 923,000 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,328 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,685 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,213 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,614 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,219 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,447 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,102 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,398 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,364 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,339 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,615 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,989 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,568 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,106 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,893 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,260 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,412 |
| Countries of the Middle East | 0 | - | 4.96 | 202,263 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,057 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,504 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,080 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,668 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,618 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,876 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,594 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,638 |
| Monarchies of Asia | 0 | - | 4.97 | 71,382 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| History of Iran | 0 | - | 4.66 | 16,404 |
| Provinces of Turkey | 0 | - | 4.94 | 205,390 |
| Philippines Country Quiz | 0 | - | 4.56 | 75,821 |
| Provinces of China | 0 | - | 4.97 | 206,971 |
| History of China | 0 | - | 4.35 | 57,466 |
| Japanese Prefectures | 0 | - | 4.98 | 138,471 |
| States of India | 0 | - | 4.95 | 195,199 |
| History of India | 0 | - | 4.62 | 21,488 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,114 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,402 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,818 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,286 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,756 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,569 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,828 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,691 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,124 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,429 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,421 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,794 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,710 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,600 |
| Byzantine History | 0 | - | 4.91 | 28,987 |
| Byzantine Emperors | 0 | - | 4.92 | 14,498 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,461 |
| Name the English Monarchs | 0 | - | 4.91 | 505,380 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,918 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,629 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,755 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,608 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,601 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,616 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,655 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,930 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,993 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,780 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,768 |
| Geography of Egypt | 0 | - | 4.60 | 21,584 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,566 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,718 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,982 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,006 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,647 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,904 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,907 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,279 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,059 |
| Geography of China | 0 | - | 4.21 | 14,001 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,721 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,358 |
| Chinese Inventions | 0 | - | 4.30 | 33,845 |
| Countries that Border China | 0 | - | 4.96 | 263,966 |
| Japan Country Quiz | 0 | - | 4.93 | 143,094 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,714 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,420 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,047 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,220 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,615 |
| States of India Map Quiz | 0 | - | 4.84 | 26,795 |
| Countries Bordering India | 0 | - | 4.98 | 163,715 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,597 |
| Countries Closest to India | 0 | - | 4.97 | 103,104 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,489 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,913 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,935 |
| Name a Valid African Country | 0 | - | 4.98 | 154,791 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,327 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,331 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,805 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,386 |
| The Trojan War | 0 | - | 4.83 | 39,930 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,693 |
| Name that Greek Letter | 0 | - | 4.93 | 324,659 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,669 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,478 |
| Roman Emperors | 0 | - | 4.95 | 120,877 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,726 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,923 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,360 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,728 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,041 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,090 |
| History of Egypt | 0 | - | 4.58 | 24,088 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,835 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,543 |
| Oman Country Quiz | 0 | - | 4.86 | 27,032 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,404 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,043 |
| Countries that Beat China | 0 | - | 4.85 | 116,512 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,279 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,112 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,615 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,310 |
| Countries that Beat India | 0 | - | 4.42 | 63,235 |
| Hindu Countries | 0 | - | 4.87 | 50,463 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,343 |
| Names of Generations | 0 | - | 4.09 | 45,392 |
| American History Quotes #1 | 0 | - | 4.37 | 96,168 |
| American History Quotes #2 | 0 | - | 4.38 | 41,484 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,561 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,314 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,697 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,961 |
| Ancient Greek Words | 0 | - | 4.93 | 112,237 |
| History of Italy | 0 | - | 4.55 | 32,107 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,781 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,142 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,379 |
| Geography of Spain | 0 | - | 4.59 | 22,149 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,039 |
| Asian Physical Geography | 0 | - | 4.61 | 35,596 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,176 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,501 |
| Asian Island Nations | 0 | - | 4.63 | 94,398 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,045 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,931 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,099 |
| Arab Spring Countries | 0 | - | 4.51 | 44,180 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,198 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,933 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,453 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,505 |
| The Life of Gandhi | 0 | - | 4.37 | 13,069 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,409 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,663 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,959 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,123 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,333 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,609 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,893 |
| German Groups of Things | 0 | - | 4.47 | 38,594 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,042 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,410 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,649 |
| Asian Islands | 0 | - | 4.49 | 20,886 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,362 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,956 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,579 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,104 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,567 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,293 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,401 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,166 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,701 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.46 | 54,899 |
| Random Asian City to Country | 0 | - | 4.56 | 44,588 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,232 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,184 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,240 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,889 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,803 |
| The Vietnam War | 0 | - | 4.44 | 35,623 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,533 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,308 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,764 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,033 |
