| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,316 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,828 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,319 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,316 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,675 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,016 |
| Countries Bordering India | 0 | - | 4.98 | 162,575 |
| Countries Closest to India | 0 | - | 4.97 | 102,194 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,156 |
| Hindu Countries | 0 | - | 4.85 | 49,541 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,430 |
| Asia Map Quiz | 0 | - | 4.99 | 906,690 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,164 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,422 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,607 |
| Countries that Beat India | 0 | - | 4.41 | 62,571 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,224 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,799 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,932 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,969 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,322 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,730 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,448 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,646 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,726 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,127 |
| Countries of the Middle East | 0 | - | 4.96 | 198,838 |
| States of India | 0 | - | 4.94 | 189,927 |
| History of India | 0 | - | 4.61 | 21,276 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,308 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,883 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,378 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,338 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,065 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,509 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,993 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,367 |
| Monarchies of Asia | 0 | - | 4.97 | 70,581 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| History of Iran | 0 | - | 4.65 | 16,264 |
| Provinces of Turkey | 0 | - | 4.95 | 200,858 |
| Provinces of China | 0 | - | 4.97 | 200,001 |
| History of China | 0 | - | 4.37 | 56,677 |
| Japanese Prefectures | 0 | - | 4.98 | 134,481 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,186 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,765 |
| States of India Map Quiz | 0 | - | 4.82 | 26,012 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,138 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,314 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,064 |
| Name a Valid African Country | 0 | - | 4.98 | 152,899 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,185 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,464 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,112 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,561 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,212 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,387 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,125 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,136 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,090 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,934 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,611 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,171 |
| Byzantine History | 0 | - | 4.91 | 28,608 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,203 |
| Name the English Monarchs | 0 | - | 4.92 | 497,739 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,498 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,481 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,195 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,136 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,489 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,763 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,828 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,314 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,453 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,021 |
| Geography of Egypt | 0 | - | 4.60 | 21,404 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,207 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,297 |
| Syria Country Quiz | 0 | - | 4.81 | 32,285 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,861 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,426 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,773 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,921 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,484 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,058 |
| Geography of China | 0 | - | 4.21 | 13,871 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,996 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,747 |
| Chinese Inventions | 0 | - | 4.30 | 33,717 |
| Countries that Border China | 0 | - | 4.96 | 261,783 |
| Japan Country Quiz | 0 | - | 4.92 | 141,191 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,923 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,689 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,886 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,774 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,137 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,739 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,004 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,511 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,457 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,831 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,859 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,677 |
| Name that Greek Letter | 0 | - | 4.94 | 321,585 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,490 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,027 |
| Roman Emperors | 0 | - | 4.95 | 118,414 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,646 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,074 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,467 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,144 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,446 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,248 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,282 |
| History of Egypt | 0 | - | 4.58 | 23,930 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,018 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,085 |
| Oman Country Quiz | 0 | - | 4.86 | 26,665 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,398 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,749 |
| Countries that Beat China | 0 | - | 4.86 | 114,675 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,535 |
| The Life of Gandhi | 0 | - | 4.37 | 13,017 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,300 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,926 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| American History Quotes #1 | 0 | - | 4.37 | 95,681 |
| American History Quotes #2 | 0 | - | 4.38 | 41,222 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,234 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,071 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,227 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,091 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,753 |
| Ancient Greek Words | 0 | - | 4.92 | 110,637 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,327 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Geography of Spain | 0 | - | 4.59 | 21,954 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,376 |
| Asian Physical Geography | 0 | - | 4.61 | 35,368 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,912 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,820 |
| Asian Island Nations | 0 | - | 4.63 | 93,734 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,260 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,693 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,665 |
| Arab Spring Countries | 0 | - | 4.51 | 43,810 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,692 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,528 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,575 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,653 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,921 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,462 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,572 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,494 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,769 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,973 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,320 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,401 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,599 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,917 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,819 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,381 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,149 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,553 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,058 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,062 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,093 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,890 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,842 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,635 |
| Random Asian City to Country | 0 | - | 4.56 | 44,386 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,699 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,454 |
| 10 Plagues of Egypt | 0 | - | 4.39 | 50,749 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,251 |
| The Vietnam War | 0 | - | 4.43 | 35,287 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,162 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,881 |
