| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 111,500 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,731 |
| Countries that Beat Saudi Arabia | 0 | - | 4.71 | 41,405 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,926 |
| Asia Geography Quiz #1 | 0 | - | 4.79 | 50,732 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 45,116 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.90 | 91,747 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 81,356 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,701 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,902 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,548 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,848 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,280 |
| Countries Bordering Turkey | 0 | - | 4.98 | 108,378 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,645 |
| Asia Map Quiz | 0 | - | 4.99 | 775,843 |
| Qatar Country Quiz | 0 | - | 4.83 | 28,224 |
| Oman Country Quiz | 0 | - | 4.84 | 23,513 |
| Jordan Country Quiz | 0 | - | 4.83 | 27,529 |
| Byzantine History | 0 | - | 4.87 | 26,115 |
| Asia Geography Quiz #3 | 0 | - | 4.50 | 30,589 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,828 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,274,381 |
| Geography of Egypt | 0 | - | 4.59 | 19,845 |
| Countries Closest to Egypt | 0 | - | 4.85 | 79,301 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,819 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,565 |
| Saudi Arabia Country Quiz | 0 | - | 4.17 | 51,945 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,635 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,691 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,956 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,156 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,941 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,102 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,837 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,012 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,007 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,701 |
| Countries of the Middle East | 0 | - | 4.96 | 171,637 |
| Europe Geography Quiz #1 | 0 | - | 4.52 | 66,782 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,265 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 65,954 |
| Europe Geography Quiz #5 | 0 | - | 4.53 | 57,650 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,570 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,231 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,503 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,598 |
| Monarchies of Asia | 0 | - | 4.95 | 53,639 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,713 |
| Flags of the Middle East | 0 | - | 4.71 | 58,277 |
| History of Iran Quiz | 0 | - | 4.63 | 15,058 |
| Iran Country Quiz | 0 | - | 4.52 | 48,944 |
| Iraq Country Quiz | 0 | - | 4.44 | 36,969 |
| Provinces of Turkey | 0 | - | 4.95 | 175,639 |
| Provinces of China | 0 | - | 4.97 | 153,170 |
| History of China | 0 | - | 4.39 | 50,002 |
| Japanese Prefectures | 0 | - | 4.98 | 104,919 |
| States of India | 0 | - | 4.91 | 151,815 |
| History of India | 0 | - | 4.52 | 19,108 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,102 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,658 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,131 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,619 |
| English Monarchs Quiz | 0 | - | 4.91 | 443,588 |
| South China Sea Countries | 0 | - | 4.82 | 53,543 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,013 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,155 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,755 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,146 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 88,572 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 14,429 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,233 |
| History of Israel | 0 | - | 4.13 | 9,833 |
| Countries Closest to Turkey | 0 | - | 4.94 | 105,527 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 66,823 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 15,561 |
| Egyptian Gods and Goddesses | 0 | - | 4.45 | 25,536 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,547 |
| Indonesia Country Quiz | 0 | - | 4.83 | 64,781 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 84,375 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 86,352 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 70,536 |
| Geography of China Quiz | 0 | - | 4.27 | 12,735 |
| China Cities Map Quiz | 0 | - | 4.87 | 88,049 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 83,037 |
| Chinese Inventions | 0 | - | 4.26 | 32,521 |
| Countries that Border China | 0 | - | 4.96 | 231,982 |
| Japan Country Quiz | 0 | - | 4.92 | 118,238 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 69,016 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 52,898 |
| Countries Closest to Japan | 0 | - | 4.93 | 126,559 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 74,242 |
| Countries Bordering India | 0 | - | 4.98 | 155,305 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.57 | 51,445 |
| Countries Closest to India | 0 | - | 4.96 | 93,583 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,100 |
| Nepal Country Quiz | 0 | - | 4.95 | 33,085 |
| Africa Geography Quiz #2 | 0 | - | 4.57 | 31,014 |
| Category Elimination - African Geography #1 | 0 | - | 4.89 | 78,881 |
| Name a Valid African Country | 0 | - | 4.98 | 123,013 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,785 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,848 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,319 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 157,048 |
| Europe Geography Quiz #3 | 0 | - | 4.31 | 59,703 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,503 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 198,550 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 244,561 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 141,332 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 75,877 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,884 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 83,499 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,675 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,341 |
| Roman Emperors | 0 | - | 4.95 | 94,925 |
| Prime Ministers of the UK | 0 | - | 4.95 | 378,184 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,759 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,462 |
| Kuwait Country Quiz | 0 | - | 4.79 | 20,390 |
| Bahrain Country Quiz | 0 | - | 4.64 | 19,163 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 59,974 |
| Turkey Country Quiz | 0 | - | 4.37 | 62,652 |
| History of Egypt | 0 | - | 4.56 | 22,115 |
| Egypt Country Quiz | 0 | - | 4.77 | 66,085 |
| Yemen Country Quiz | 0 | - | 4.61 | 26,490 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 31,609 |
| Lebanon Country Quiz | 0 | - | 4.55 | 31,263 |
| Syria Country Quiz | 0 | - | 4.80 | 28,100 |
| Cyprus Country Quiz | 0 | - | 4.66 | 27,872 |
| Countries that Beat Indonesia | 0 | - | 4.66 | 34,435 |
| Brunei Country Quiz | 0 | - | 4.88 | 19,294 |
| Countries that Beat China | 0 | - | 4.82 | 99,123 |
| Countries that Beat Japan | 0 | - | 4.44 | 60,266 |
| Closest Countries to North Korea | 0 | - | 4.92 | 103,571 |
| Bhutan Country Quiz | 0 | - | 4.88 | 21,338 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,939 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,139,637 |
| Countries that Beat Canada | 0 | - | 4.91 | 77,547 |
| The Trojan War | 0 | - | 4.81 | 35,713 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 580,288 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,248 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 64,975 |
| Geography of Spain | 0 | - | 4.51 | 20,232 |
| Invasions of Great Britain | 0 | - | 4.48 | 55,195 |
| Asian Physical Geography | 0 | - | 4.59 | 33,497 |
| 10 Westernmost Countries in Asia | 0 | - | 4.66 | 65,729 |
| Asian Island Nations | 0 | - | 4.66 | 88,202 |
| Asia's Busiest Airports | 0 | - | 4.76 | 45,175 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.58 | 373,598 |
| Arab Spring Countries | 0 | - | 4.48 | 40,494 |
| Biggest Trading Partners - Turkey | 0 | - | 4.82 | 44,408 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 70,861 |
| Countries Surrounding Istanbul | 0 | - | 4.88 | 22,145 |
| Countries Closest to Israel | 0 | - | 4.87 | 98,183 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 48,369 |
| The Life of Gandhi | 0 | - | 4.36 | 12,538 |
| Countries that Beat India | 0 | - | 4.38 | 56,375 |
| Countries with the Most Hindus | 0 | - | 4.92 | 112,493 |
| Colonies of Africa with a Map | 0 | - | 4.80 | 47,963 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.96 | 22,535 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 30,538 |
| American History Quotes #1 | 0 | - | 4.40 | 91,106 |
| American History Quotes #2 | 0 | - | 4.34 | 39,114 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,152 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 34,115 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,372 |
| Olympian Gods Quiz | 0 | - | 4.96 | 455,392 |
| Name that Greek Letter | 0 | - | 4.94 | 294,443 |
| Ancient Greek Words | 0 | - | 4.90 | 96,376 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 396,827 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,135 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 72,834 |
| Asian Islands | 0 | - | 4.44 | 19,830 |
| Asian Geography By Letter - A | 0 | - | 4.66 | 65,533 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 60,331 |
| Asian Geography By Letter - M | 0 | - | 4.42 | 48,771 |
| Asian Geography by Letter - P | 0 | - | 4.42 | 44,611 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 44,844 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 253,342 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.76 | 33,604 |
| The Only Asian Country ... | 0 | - | 4.72 | 113,598 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.44 | 52,183 |
| Random Asian City to Country | 0 | - | 4.52 | 33,488 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 37,504 |
| Asian Country Superlatives | 0 | - | 4.77 | 61,321 |
| Middle Eastern Geography Quiz | 0 | - | 4.43 | 20,820 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 44,395 |
| The 12 Tribes of Israel | 0 | - | 3.71 | 8,949 |
| Provinces of the Philippines | 0 | - | 4.61 | 34,628 |
| The Vietnam War | 0 | - | 4.41 | 32,588 |
| Overseas Chinese Population | 0 | - | 4.55 | 39,998 |
| India Cities Map Quiz | 0 | - | 4.64 | 55,928 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 50,611 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,267 |
| U.S. Presidents by Picture | 0 | - | 4.86 | 392,223 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 351,187 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 165,433 |
| Europe Map Quiz | 0 | - | 5.00 | 4,261,253 |
| German Groups of Things | 0 | - | 4.43 | 35,791 |
| Inventions by Country #1 | 0 | - | 4.46 | 52,653 |
