| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,203 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,991 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,311 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,084 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,824 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,318 |
| 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 | 108,668 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,518 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,012 |
| Syria Country Quiz | 0 | - | 4.81 | 32,285 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,423 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,761 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,825 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,450 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,337 |
| Asia Map Quiz | 0 | - | 4.99 | 906,632 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,280 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,011 |
| Oman Country Quiz | 0 | - | 4.86 | 26,664 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,398 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,163 |
| Byzantine History | 0 | - | 4.91 | 28,606 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,415 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,572 |
| Geography of Egypt | 0 | - | 4.60 | 21,403 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,523 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,402 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,166 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,573 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 55,787 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,798 |
| 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 | 69,929 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,968 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,321 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,724 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,373 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,199 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,663 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,442 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,643 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,718 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,101 |
| Countries of the Middle East | 0 | - | 4.96 | 198,828 |
| States of India | 0 | - | 4.94 | 189,904 |
| History of India | 0 | - | 4.61 | 21,276 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,872 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,062 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,509 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,977 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,987 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,364 |
| Monarchies of Asia | 0 | - | 4.97 | 70,579 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,419 |
| Flags of the Middle East | 0 | - | 4.69 | 62,309 |
| History of Iran | 0 | - | 4.65 | 16,263 |
| Iran Country Quiz | 0 | - | 4.53 | 59,891 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,675 |
| Turkey Country Quiz | 0 | - | 4.42 | 74,958 |
| Provinces of Turkey | 0 | - | 4.95 | 200,852 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 34,960 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,642 |
| Provinces of China | 0 | - | 4.97 | 199,966 |
| History of China | 0 | - | 4.37 | 56,677 |
| Japanese Prefectures | 0 | - | 4.98 | 134,473 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,180 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,764 |
| States of India Map Quiz | 0 | - | 4.82 | 26,009 |
| Countries Bordering India | 0 | - | 4.98 | 162,571 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,154 |
| Countries Closest to India | 0 | - | 4.97 | 102,185 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,310 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,058 |
| Name a Valid African Country | 0 | - | 4.98 | 152,893 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,185 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,463 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,104 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,274 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,205 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,385 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,124 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,415 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,113 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,087 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,931 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,586 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,167 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,200 |
| Name the English Monarchs | 0 | - | 4.92 | 497,721 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,498 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,182 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,134 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,489 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,309 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,243 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,021 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,367 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,296 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,858 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,770 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,916 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,482 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,053 |
| Geography of China | 0 | - | 4.24 | 13,870 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,991 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,744 |
| Chinese Inventions | 0 | - | 4.30 | 33,717 |
| Countries that Border China | 0 | - | 4.96 | 261,778 |
| Japan Country Quiz | 0 | - | 4.92 | 141,187 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,922 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,688 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,882 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,771 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,136 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,727 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,004 |
| Countries that Beat India | 0 | - | 4.41 | 62,570 |
| Hindu Countries | 0 | - | 4.85 | 49,534 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,500 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,456 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,829 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,853 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,638 |
| Name that Greek Letter | 0 | - | 4.94 | 321,559 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,485 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,023 |
| Roman Emperors | 0 | - | 4.95 | 118,408 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,645 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,073 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,453 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,141 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,445 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,243 |
| Kuwait Country Quiz | 0 | - | 4.79 | 22,705 |
| Bahrain Country Quiz | 0 | - | 4.68 | 21,536 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,180 |
| History of Egypt | 0 | - | 4.58 | 23,930 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,383 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,114 |
| Cyprus Country Quiz | 0 | - | 4.61 | 30,860 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,748 |
| Countries that Beat China | 0 | - | 4.86 | 114,673 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,534 |
| The Life of Gandhi | 0 | - | 4.37 | 13,017 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,291 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,925 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,853 |
| American History Quotes #1 | 0 | - | 4.37 | 95,678 |
| American History Quotes #2 | 0 | - | 4.38 | 41,222 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,233 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,071 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,223 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,090 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,704 |
| Ancient Greek Words | 0 | - | 4.92 | 110,634 |
| History of Italy | 0 | - | 4.55 | 31,808 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Geography of Spain | 0 | - | 4.59 | 21,953 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,375 |
| Asian Physical Geography | 0 | - | 4.61 | 35,368 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,911 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,819 |
| Asian Island Nations | 0 | - | 4.63 | 93,733 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,257 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,678 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,664 |
| Arab Spring Countries | 0 | - | 4.51 | 43,809 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,753 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,692 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,680 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,650 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,919 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,453 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,529 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,484 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,754 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,842 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,311 |
| German Groups of Things | 0 | - | 4.46 | 38,297 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,370 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,596 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,915 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,817 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,378 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,148 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,553 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,056 |
